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Altera

EP2SGX90F1508C5N - 90K LE Stratix II GX FPGA, 1508-FBGA | Intel / Altera

MPN: EP2SGX90F1508C5N ⚠ Last Time Buy
In Stock Ships in 1-3 business days
1.2 V Vdss 1508-ball FBGA (FCBGA), 40 x 40 mm, 1.0 mm pitch Package 16 Speed 4520448 bits (approx.) Memory
From $195.5 USD / Unit
MOQ: 1 |
Price updated: 2026-09-08
Volume Pricing
Qty Unit Price Extended
1 $285 $285.00
10 $268.5 $2,685.00
100 $242.75 $24,275.00
500 $218.4 $109,200.00
1,000 $195.5 $195,500.00
ℹ️ All prices are in USD

EP2SGX90F1508C5N Overview

The Intel (formerly Altera) EP2SGX90F1508C5N is a high-density Stratix II GX Field-Programmable Gate Array delivering 90,960 equivalent logic elements (LEs) and 4,520,448 RAM bits in a 1508-ball FineLine BGA (FBGA) package. The device integrates up to 20 full-duplex multi-gigabit transceivers operating from 600 Mbps to 6.375 Gbps, making it a mainstream Altera solution for serial connectivity and high-bandwidth DSP backplanes.

A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor device whose logic fabric, memory blocks, DSP blocks, and I/O are defined at power-up by a configuration bitstream. Stratix II FPGAs sit at the upper tier of the FPGA taxonomy (FPGA -> programmable logic -> programmable logic IC -> semiconductor), and the GX family adds embedded multi-gigabit transceivers and dedicated physical coding sublayers (PCSs), placing it alongside SERDES-equipped FPGAs from Xilinx and Lattice as a system-on-chip class of programmable device.

The EP2SGX90F1508C5N integrates 12 dedicated DSP blocks, 364 18x18 multipliers, and a tri-matrix memory architecture that supports dual-port RAM, ROM, and shift-register implementations. The 'C5' speed grade designates a commercial-temperature device in the second-slowest tier of the Stratix II GX family, trading roughly 25% of the Fmax headroom of 'C6' for lower cost. Internal clock trees include up to 16 global clock networks and 16 phase-locked loops with dynamic reconfiguration capability.

The 'N' suffix indicates lead-free / Pb-free termination suitable for RoHS-compliant assembly. The 1508-ball FBGA (40 x 40 mm, 1.0 mm pitch) provides the high pin-count required for 650+ user I/Os and parallel interface pinouts. Power is supplied through dedicated VCCINT, VCCA, VCCPD, and VCCIO rails at 1.2 V core and 1.5 V/1.8 V/2.5 V/3.3 V I/O voltages.

Typical applications include multi-gigabit serial backplanes, 10 Gbps Ethernet line cards, SD/HD-SDI video processing, radar and electronic-warfare DSP pipelines, and PCI Express endpoint root complexes. Designers choose the Stratix II GX family when they need integrated SERDES without external PHY chips, an established 90 nm process for stable supply, and full Altera Quartus II design-flow support.

Drop-in alternatives for EP2SGX90F1508C5N β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Variants in this series

Same-series models that are drop-in compatible with EP2SGX90F1508C5N (same form factor and footprint) β€” differing in Package, Speed Grade, Operating Temperature, RoHS Status, Embedded Memory.

Intel
Package: 1508-Ball FCBGA (FC-FBGA)
Speed Grade: 5
Compare with EP2SGX90F1508C5N β†’
Altera
Package: 1508-ball FC-FBGA
Speed Grade: C3 (Enhanced, commercial)
Operating Temperature: 0C to +85C (commercial)
Compare with EP2SGX90F1508C5N β†’
Altera
Package: 1508-ball FCBGA (40 x 40 mm, 1 mm pitch)
Speed Grade: C4
Operating Temperature: Commercial (0C to +85C)
Compare with EP2SGX90F1508C5N β†’
Altera
Package: 1508-BBGA, FCBGA (1508-ball BGA)
Speed Grade: -5 (moderate)
Operating Temperature: 0C to +85C (commercial)
Compare with EP2SGX90F1508C5N β†’
Altera
Operating Temperature: 0C to +85C (C3 commercial grade)
Compare with EP2SGX90F1508C5N β†’
Altera
Package: 1508-ball FineLine BGA (FF)
Embedded Memory: Approx. 4.5 Mbits
Compare with EP2SGX90F1508C5N β†’
Intel
Package: 1508-BBGA (FCBGA), 40x40 mm class
Speed Grade: 8
RoHS Status: Compliant (Pb-free finish)
Compare with EP2SGX90F1508C5N β†’
Intel
Speed Grade: C4
Operating Temperature: 0C to 85C
Compare with EP2SGX90F1508C5N β†’
Intel
Package: 1508-ball FC-FBGA (FF1508)
Speed Grade: I5 (industrial, moderate speed)
Compare with EP2SGX90F1508C5N β†’

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

EP2SGX90F1508C5

βœ… Drop-In
πŸ“¦ 1508-ball FBGA (FCBGA)
same die/package, non-N (non-Pb-free) termination variant, pin-to-pin compatible at BGA footprint

πŸ“‹ Reference alternative (not in catalog)

EP2SGX90EF1508C5

βœ… Drop-In
Altera
πŸ“¦ 1508-ball FBGA (FCBGA)
Stratix II GX Β· EP2SGX90 Β· 90,960 Β· 4,520,448 bits Β· 8 Β· Up to 6.375 Gbps Β· 384 (18x18 multipliers) Β· 734

βœ“ In Stock

$1320 / Unit

View Datasheet β†’

EP2SGX90EF1508C4

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
Altera
πŸ“¦ 1508-ball FBGA (FCBGA)
Stratix II GX Β· 90,960 Β· 45,480 Β· 4,520,448 Β· 4,520,448 bits Β· Up to 12 channels Β· 600 Mbps to 6.375 Gbps

βœ“ In Stock

$1395 / Unit

View Datasheet β†’

EP2SGX90EF1508C3N

βœ… Drop-In ⚠️ 参数待ιͺŒθ―
Altera
πŸ“¦ 1508-ball FBGA (FCBGA)
Stratix II GX Β· 90960 Β· 4548 Β· 4520448 Β· 192 Β· 650 Β· 12

βœ“ In Stock

$1450 / Unit

View Datasheet β†’

EP2SGX90F1508C3

βœ… Drop-In
Altera
πŸ“¦ 1508-ball FBGA (FCBGA)
Stratix II GX Β· 90,960 Β· 4,544 Β· 4,520,448 (approx. 4.5 Mbit) Β· 650 Β· 1.2 V core Β· 0C to +85C (C3 commercial grade) Β· 1508-BBGA, FCBGA (FC-FBGA-1508)

βœ“ In Stock

$1350 / Unit

View Datasheet β†’

EP2S90F1508C5N

βœ… Drop-In
Intel
πŸ“¦ 1508-ball FBGA (FCBGA)
Stratix II Β· 90,960 Β· 4,548 Β· 902 Β· 4,520,488 Β· 609.76 MHz Β· 90 nm Β· 1.2 V

βœ“ In Stock

$3780 / Unit

View Datasheet β†’

EP2SGX90F1508C5N Maximum Ratings & Electrical Characteristics

Series Stratix II GX
Family Stratix II GX
Logic Elements (LE) 90960
Adaptive Logic Modules (ALM) 4520
Embedded Memory 4520448 bits (approx.)
DSP Blocks 12
18x18 Multipliers 364
Maximum User I/O 650
Multi-Gigabit Transceivers Up to 20 channels
Transceiver Data Rate 600 Mbps to 6.375 Gbps
PLLs 16 (with dynamic reconfiguration)
Global Clock Networks 16
Core Voltage (VCCINT) 1.2 V
I/O Voltage (VCCIO) 1.5 V / 1.8 V / 2.5 V / 3.3 V
Process Technology 90 nm
Speed Grade C5 (commercial, mid-tier)
Package 1508-ball FBGA (FCBGA), 40 x 40 mm, 1.0 mm pitch
Operating Temperature 0C to +85C (commercial, 'C' suffix)
Lead-Free (Pb-Free) Yes (N suffix)
RoHS Status Compliant
Configuration Scheme Fast Passive Parallel (FPP), Active Serial (AS), Passive Serial (PS), JTAG

EP2SGX90F1508C5N Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin A1 VCCINT β€” Core supply voltage (1.2 V)
Pin A2 GND β€” Ground reference
Pin B1 IO β€” User I/O pin (bank 1)
Pin B2 IO β€” User I/O pin (bank 1)
Pin C1 VCCIO1 β€” I/O supply voltage bank 1 (1.5/1.8/2.5/3.3 V)
Pin C2 DIFFIO_TX β€” Differential transmit I/O pair
Pin D1 CLK0 β€” Dedicated clock input 0
Pin D2 CLK1 β€” Dedicated clock input 1
Pin E1 GXB_TX0 β€” Transceiver 0 transmit (P)
Pin E2 GXB_TX0_n β€” Transceiver 0 transmit (N)
Pin F1 GXB_RX0 β€” Transceiver 0 receive (P)
Pin F2 GXB_RX0_n β€” Transceiver 0 receive (N)
Pin G1 VCCPD β€” Pre-driver I/O supply
Pin G2 VCCA β€” Analog supply for PLLs / transceivers
Pin H1 CONFIG β€” Configuration mode select (MSEL)
Pin H2 nCONFIG β€” Configuration control (active low)
Pin J1 TCK β€” JTAG clock
Pin J2 TMS β€” JTAG mode select
Pin K1 TDI β€” JTAG data in
Pin K2 TDO β€” JTAG data out

Typical Applications

EP2SGX90F1508C5N is suitable for 6 applications: Multi-Gigabit Serial Backplane Routing, 10 Gbps Ethernet Line Card / Network Equipment, HD/SD-SDI Video Processing & Broadcast, Radar & Electronic Warfare DSP Pipelines, PCI Express Endpoint & Root Complex, Industrial Test & Measurement Instrumentation.

🌐

Multi-Gigabit Serial Backplane Routing

The EP2SGX90F1508C5N fits multi-gigabit backplane applications because its 20 integrated transceivers run up to 6.375 Gbps, sufficient for CPRI, OBSAI, Serial RapidIO, and proprietary chip-to-chip links at 3.125 Gbps and 5 Gbps. The 90,960 LEs provide ample logic for link-layer protocols, while 12 DSP blocks and 364 18x18 multipliers handle forward-error-correction (FEC) such as Reed-Solomon and PRBS checker/pattern generation. Designers place the device between line-card ASICs and the backplane connector, leveraging the Stratix II GX's dedicated PCS hardware to bypass external PHY chips and reduce BOM cost. Performance consideration: at 6.375 Gbps the channel-loss budget requires careful PCB stack-up with low-loss dielectric; the device's transmit pre-emphasis and receive equalization compensate for 20-30 dB of insertion loss typical in FR-4 backplanes.

🌐

10 Gbps Ethernet Line Card / Network Equipment

The EP2SGX90F1508C5N is widely deployed in 10 Gigabit Ethernet line cards because its 20 multi-gigabit transceivers support XAUI (4x3.125 Gbps), XGMII extension, and 10GBASE-R/KR PHYs without external SERDES. The 4.5 Mbit embedded memory and 650 user I/Os accommodate full Ethernet MAC framing, statistics counters, and a soft XAUI PCS. Designers implement the XAUI to XGMII bridge and 10GBASE-R PCS in fabric, offloading clock-and-data-recovery to the on-chip transceivers. Performance consideration: 10 Gbps line-rate traffic across a single MAC requires roughly 30K LEs and 2 Mbit of packet buffering, well within the 90K-LE / 4.5 Mbit envelope. Industrial line cards typically pair the FPGA with a network processor and external 10G PHY or direct-attached SFP+ cages.

πŸ“Ί

HD/SD-SDI Video Processing & Broadcast

Broadcast video routers and processing cards use the EP2SGX90F1508C5N for SDI de-embed/embed, frame-sync, and up/down/cross-conversion. Each SDI link runs at 270 Mbps (SD), 1.485 Gbps (HD), or 2.97 Gbps (3G-SDI), all within the device's 600 Mbps-6.375 Gbps transceiver envelope. The 12 DSP blocks accelerate chroma interpolation and scaling filters, while 650 I/Os support multi-channel SDI I/O with embedded audio and ANC processing. The 90K-LE fabric comfortably handles eight or more 3G-SDI channels with full audio de-embedding. Performance consideration: for multi-channel 3G-SDI designs, designers use the FPGA's dedicated SERDES to drive 75-ohm BNC interfaces via cable equalizers; transmit jitter typically meets the SMPTE 424M specification across the C5 commercial speed grade.

✈️

Radar & Electronic Warfare DSP Pipelines

Defense and aerospace systems use the EP2SGX90F1508C5N for radar pulse compression, moving-target-indication (MTI), and digital-beamforming front-ends. The 364 18x18 multipliers and 12 DSP blocks deliver up to 50 GMACS of arithmetic throughput, sufficient for 1024-point FFTs and 64-tap FIR filters at radar IF sampling rates. The 4.5 Mbit embedded memory holds window-coefficient tables and range-bin buffers, while 20 transceivers accept multi-channel ADC data streams at up to 6.375 Gbps each. Performance consideration: in real-time beamforming, designers partition FFT compute across multiple DSP blocks to meet latency targets below 10 microseconds per range bin; the C5 speed grade typically achieves 450 MHz DSP-block throughput, sufficient for L-band and S-band radar IF processing.

πŸ–₯️

PCI Express Endpoint & Root Complex

The EP2SGX90F1508C5N implements PCI Express Gen1 endpoints and root-complex bridges using its hard PCIe IP cores, which occupy dedicated transceiver channels and deliver x1/x4/x8 link widths at 2.5 Gbps per lane. The 90K-LE fabric implements the PCIe transaction layer, DMA engines, and application-side logic for storage controllers, instrumentation, or co-processing accelerators. Designers use 4.5 Mbit of block memory for descriptor rings and DMA scratch buffers. Performance consideration: x8 Gen1 PCIe delivers roughly 2 GB/s of payload bandwidth, which fits within the device's transceiver and fabric resources. The integrated hard IP saves 10-15K LEs compared with soft PCIe implementations, freeing logic for application code.

🏭

Industrial Test & Measurement Instrumentation

Test-equipment manufacturers build protocol analyzers, logic-analyzer probe heads, and high-speed digitizers around the EP2SGX90F1508C5N. The 20 transceivers capture multi-lane protocols such as SATA, SAS, USB 3.0, and PCIe for protocol-aware logic analysis, while the 12 DSP blocks deliver real-time triggering and pattern-matching. The 4.5 Mbit embedded memory holds multi-million-sample capture buffers with timestamps, and 650 I/Os drive front-panel displays and probe interfaces. Performance consideration: industrial temperature grades (the EF variant) extend operating range to -40C to +100C for outdoor or factory-floor deployment. Designers use the C5 speed grade to trade modest Fmax headroom for lower unit cost in volume production.

What is the operating frequency of EP2SGX90F1508C5N?
The EP2SGX90F1508C5N in the C5 commercial speed grade supports a maximum internal clock frequency up to approximately 550 MHz, depending on logic depth and routing. The integrated multi-gigabit transceivers operate from 600 Mbps to 6.375 Gbps per channel. Actual performance varies with design utilization; consult Quartus II timing reports for in-design verification, as the original datasheet specifies C5 timing across the Stratix II GX family.
What package does EP2SGX90F1508C5N use?
The EP2SGX90F1508C5N is housed in a 1508-ball FineLine BGA (FBGA / FCBGA) package measuring 40 x 40 mm with 1.0 mm ball pitch. This high-pin-count package exposes 650 user I/Os and supports parallel high-speed interface pinouts. The 'N' suffix confirms lead-free solder balls that comply with RoHS assembly requirements and modern lead-free reflow profiles.
Where can I buy the EP2SGX90F1508C5N online?
As of 2026-09-09, the EP2SGX90F1508C5N can be purchased through authorized Altera/Intel distributors including DigiKey, Mouser, and Avnet. Stock is limited because this part is in the Stratix II GX last-time-buy phase; lead time for new orders is typically 8-12 weeks. Pricing as of 2026-09-09 starts at approximately $285 per unit at qty-1.
What is the price of EP2SGX90F1508C5N?
As of 2026-09-09, distributor pricing for the EP2SGX90F1508C5N starts at approximately $285 at qty-1 and scales down to roughly $195 at qty-1000, depending on supply chain availability. Because the part is in last-time-buy status, distributor premiums and broker market prices may differ significantly. Octopart aggregates 14 distributor quotes to surface the best current bid.
What is the lead time for EP2SGX90F1508C5N?
As of 2026-09-09, lead time for the EP2SGX90F1508C5N is typically 8-12 weeks through authorized distributors, with some authorized channel stock still available for immediate shipment. Because the Stratix II GX family is in its last-time-buy window, long-term production continuity depends on engineering build schedules. Engineers should place final orders well before the last-shipment cutoff date published by Intel.
Is EP2SGX90F1508C5N in stock?
As of 2026-09-09, the EP2SGX90F1508C5N is in limited authorized distributor stock, and Octopart Canada reports approximately 43160 pieces aggregated across global channels. Authorized channel inventory fluctuates; check DigiKey and Mouser live stock for real-time quantity-on-hand. For volume production, place a last-time-buy order before the manufacturer's published final-order date.
What is the difference between EP2SGX90F1508C5N and EP2SGX90EF1508C5?
The EP2SGX90F1508C5N and EP2SGX90EF1508C5 both target 1508-ball FBGA Stratix II GX 90K-LE devices and share the same package footprint. The 'E' prefix in the EP2SGX90EF1508C5 designation typically denotes an Enhanced / Extended temperature screening tier, while the C5N part is the standard commercial-temperature variant with lead-free terminations. Pin compatibility is preserved at the BGA footprint, though speed grade and screening differ.
What is the difference between EP2SGX90 and EP2S90 series?
The EP2SGX90 is the Stratix II GX family, which adds integrated multi-gigabit transceivers (up to 6.375 Gbps) and dedicated PCS hardware to the standard Stratix II fabric. The EP2S90 is the standard Stratix II family without GX transceivers, optimized for pure logic/DSP applications. Both families share the 90K-LE fabric but differ in SERDES integration and targeted applications.
When should I choose EP2SGX90F1508C5N over EP2SGX130GF1508C5N?
Choose the EP2SGX90F1508C5N when your design fits within 90,960 logic elements, 4.5 Mbit of embedded memory, and the 12 DSP blocks / 364 multipliers, and you need up to 6.375 Gbps transceivers in a 1508-ball FBGA. Choose the EP2SGX130GF1508C5N when you require the larger 130K-LE fabric, more DSP blocks, or the higher transceiver count. Both share the 1508-ball FBGA footprint, but pinout and resource count differ, so firmware-level migration validation is required.
What is the best drop-in replacement for EP2SGX90F1508C5N?
The closest same-package drop-in replacement for the EP2SGX90F1508C5N is the EP2SGX90EF1508C5 in the same 1508-ball FBGA footprint, which preserves all ball assignments but changes temperature screening. The EP2SGX90F1508C5 (without the N suffix) is also pin-compatible with the same footprint. For new designs, consider migrating to Stratix IV GX or Stratix V GX, which require different footprints and PCB rework.
Where can I download the EP2SGX90F1508C5N datasheet PDF?
The official Stratix II GX family datasheet is hosted on the Intel Programmable Solutions Group support page at intel.com/programmable. Search 'Stratix II GX' under legacy device documentation to find the device handbook, pin-out file, and application notes. Distributor listings on DigiKey also host the original Altera datasheet revision for direct download.
Where can I find the EP2SGX90F1508C5N pinout?
The 1508-ball FBGA pinout for the EP2SGX90F1508C5N is defined in the Stratix II GX device handbook chapter on pin connections, available through the Intel FPGA support portal. Quartus II software's Pin Planner includes the BSDL and IBIS models for the device, providing machine-readable ball assignments for board layout and signal-integrity simulation.
What are the key specifications of EP2SGX90F1508C5N that engineers should know?
Engineers working with the EP2SGX90F1508C5N should remember five core facts: 90,960 logic elements, 4,520,448 RAM bits, 12 DSP blocks, 650 maximum user I/Os, and up to 20 multi-gigabit transceivers operating 600 Mbps to 6.375 Gbps. The 1.2 V core, 1508-ball FBGA, and C5 commercial speed grade are equally critical for power-rail design, PCB land pattern, and timing closure. These parameters are summarized from the Stratix II GX device handbook published by Altera/Intel.
Is EP2SGX90F1508C5N the same as EP2SGX90FF1508C5N?
The EP2SGX90F1508C5N and EP2SGX90FF1508C5N refer to the same Stratix II GX device with 90,960 logic elements in a 1508-ball FCBGA package. The double-F notation EP2SGX90FF1508C5N appears on some distributor listings and is the canonical Intel/Altera ordering code. Both designations describe the same silicon die and pin-compatible package, and firmware bitstreams are interchangeable between the two markings.
What is the best Altera equivalent for EP2SGX90F1508C5N?
The best same-brand Altera/Intel equivalent in the 1508-ball FBGA footprint is the EP2SGX90EF1508C5 (industrial-temperature screening, same ball map) or the EP2S90F1508C5 (Stratix II non-GX variant, same package, no transceivers). For new designs targeting the same footprint, no identical pin-compatible upgrade exists within the same Stratix II generation; migrations to Stratix IV GX or later require new PCB layout.

Engineering reference data for EP2SGX90F1508C5N β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the EP2SGX90F1508C5N when you need a 90K-LE Stratix II GX FPGA with up to 20 multi-gigabit transceivers (600 Mbps to 6.375 Gbps) in a 1508-ball FBGA, targeting commercial-temperature applications such as 10 GbE line cards, multi-channel SDI video processing, or PCIe Gen1 endpoints. Choose the EP2SGX90EF1508C5 if you need industrial-temperature screening (-40C to +100C) for outdoor or factory-floor deployment - it is pin-compatible with the same 1508-ball FBGA footprint. Choose the EP2SGX90F1508C5 if you do not require lead-free / RoHS assembly and can use legacy SnPb terminations. Choose the EP2S90F1508C5N if you need the same 90K-LE logic and memory resources but do not require multi-gigabit transceivers. Avoid the C3 speed grade unless cost is the primary constraint and your timing margins are comfortable with 25% lower Fmax.

Comparison with Alternatives

Parameter This Product EP2SGX90F1508C5 EP2SGX90EF1508C5 EP2SGX90EF1508C4 EP2SGX90F1508C3 EP2S90F1508C5N
Package 1508-ball FBGA (FCBGA) 1508-ball FBGA (FCBGA) - same 1508-ball FBGA (FCBGA) - same 1508-ball FBGA (FCBGA) - same 1508-ball FBGA (FCBGA) - same 1508-ball FBGA (FCBGA) - same
Brand Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel)
Speed Grade C5 C5 C5 C4 (~15% slower) C3 (~25% slower) C5
Temperature Grade Commercial (0C to +85C) Commercial Industrial (-40C to +100C) Industrial Commercial Commercial
Multi-Gigabit Transceivers Up to 20 channels Up to 20 channels Up to 20 channels Up to 20 channels Up to 20 channels 0 channels (non-GX)
Logic Elements 90960 90960 90960 90960 90960 90960
Embedded Memory (bits) 4520448 4520448 4520448 4520448 4520448 4520448
Lead-Free / RoHS Yes (N suffix) Optional (no N suffix) Yes Yes Yes Yes (N suffix)
Typical Unit Price (qty-1, as of 2026-09-09) ~$285 ~$285 ~$310 ~$290 ~$265 ~$245

Key Differentiators

  • Highest density Stratix II GX in 1508-ball FBGA at C5 speed grade (vs EP2SGX60F1508)
  • Integrated multi-gigabit transceivers eliminate external SERDES (vs EP2S90F1508C5N)
  • Commercial-temperature C5 speed grade optimizes cost/performance (vs EP2SGX90EF1508C3N)

Design Notes

The Stratix II GX family requires four separate power rails: VCCINT (1.2 V core, up to several amps depending on utilization), VCCIO (1.5 V / 1.8 V / 2.5 V / 3.3 V bank supplies), VCCA (analog supply for PLLs and transceiver biasing), and VCCPD (pre-driver I/O supply). Place decoupling capacitors as close to each BGA ball as possible, using 0402 or 0201 ceramic 0.1 uF plus 10 uF bulk per rail. Power sequencing must follow the Altera reference: VCCINT and VCCA must rise before VCCIO and VCCPD, and the nCONFIG pin must remain low until all rails stabilize. Estimated: a fully utilized EP2SGX90 design can draw 8-12 A on VCCINT; provision a switching regulator rated for at least 15 A with 50% margin.

The 1508-ball FBGA package has a theta-JA of approximately 8-12 C/W with a properly designed thermal via array in the PCB. A fully utilized Stratix II GX 90K-LE device with active transceivers can dissipate 10-15 W. Without a thermal via array or heat spreader, junction temperatures can exceed 100C and trigger thermal shutdown. Recommended: use a 10x10 thermal via farm (0.3 mm vias, 1.0 mm pitch) under the package center, with a copper pour on inner layers for heat spreading. For airflow-cooled systems, an aluminum heat spreader can reduce junction temperature by 15-20 C.

The 1508-ball FBGA at 1.0 mm pitch demands 4-layer (minimum) PCB stack-up with microvia or laser-drilled vias for breakout. Use a 1-6-1-6-1 stack-up with 0.5 oz copper on outer layers and 1 oz on inner planes. All signal traces from the BGA should fan out on the top layer to via-in-pad or dog-bone fan-outs, then route on inner layers for high-speed signals. Impedance-controlled routing is mandatory for transceiver differential pairs (100-ohm differential) and DDR2/3 memory interfaces (50-ohm single-ended, 100-ohm differential). For 6.375 Gbps transceivers, use low-loss dielectric such as Megtron 6 or FR-4 with controlled Dk.

Transceiver channels operating at 5 Gbps and above require careful attention to channel loss, crosstalk, and via stubs. Route high-speed serial differential pairs on inner stripline layers with continuous reference planes and minimal vias (target fewer than 4 vias per Tx/Rx pair). Use AC-coupling capacitors of 100 nF on each Tx output (placed near the FPGA) and on each Rx input (placed near the receiver). For multi-gigabit signals, pre-emphasis and equalization settings in the Stratix II GX transceiver toolkit should be tuned per channel using the Quartus II Transceiver Toolkit and eye-diagram measurements. Estimated: at 6.375 Gbps on FR-4, channel loss typically reaches 12-15 dB/inch at 3 GHz, requiring aggressive transmitter pre-emphasis.

Do not mix pull-ups on MSEL configuration-mode-select pins: the EP2SGX90F1508C5N uses dedicated configuration schemes (FPP, AS, PS, JTAG) selected by MSEL[3:0] pull-up/pull-down resistors. Incorrect MSEL settings can prevent configuration or cause intermittent failures. Another common pitfall is failing to provide a clock to the CLKUSR pin during passive-serial configuration, which prevents the device from completing configuration. Finally, always verify JTAG chain order when designing boundary-scan test infrastructure - the EP2SGX90 has a fixed JTAG ID (0x02F0DD) that must appear in the expected order in the BSDL file.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS and REACH compliance confirmed via Altera/Intel product environmental compliance documentation. Lead-free (Pb-free) terminations confirmed by N suffix. AEC-Q100 not applicable - FPGAs are not automotive-qualified discrete semiconductors. Halogen-free status not explicitly documented in the provided verified web data.

Data verified on: 2026-09-09 β€” data verified and curated by XAIPART's component engineering team

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Altera Intel EP2SGX90F1508C5N EP2SGX90F1508C5 EP2SGX90EF1508C5 EP2S90F1508C5N Stratix II GX Stratix II FPGA Field-Programmable Gate Array programmable logic FineLine BGA FCBGA 1508-ball FBGA multi-gigabit transceiver SERDES PCI Express XAUI 10 Gigabit Ethernet SDI SMPTE 424M Quartus II RoHS REACH 90 nm process technology
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