Intel

EP4CGX30CF19C6N - Cyclone IV GX FPGA, 29K LE, 150 I/O, 324-FBGA | Intel / Altera

MPN: EP4CGX30CF19C6N ✓ Active
In Stock Ships in 1-3 business days
1.2 V Vdss 324-pin FBGA (F19) Package 1,105,920 (135 Kb) Memory
From $85 USD / Unit
MOQ: 1 |
Price updated: 2026-09-10
Volume Pricing
Qty Unit Price Extended
1 $120.89 $120.89
10 $115 $1,150.00
100 $105 $10,500.00
500 $95 $47,500.00
1,000 $85 $85,000.00
ℹ️ All prices are in USD

EP4CGX30CF19C6N Overview

The Intel / Altera EP4CGX30CF19C6N is a low-power, low-cost Cyclone IV GX Field Programmable Gate Array (FPGA) fabricated on a 60 nm process, offering 29,440 logic elements, 1,105,920 bits of embedded memory, and 150 user I/O pins housed in a 324-ball FineLine BGA (FBGA) package. The device integrates up to eight integrated 3.125 Gbps transceivers, hardware multipliers, and a rich set of memory interfaces, targeting cost-sensitive applications that still require high-speed serial connectivity. It belongs to the Cyclone IV GX family and operates from a 1.2 V core supply with a commercial temperature grade of 0 °C to 85 °C.

A Field Programmable Gate Array (FPGA) is a reprogrammable semiconductor device in the programmable logic family, sitting hierarchically between application-specific integrated circuits (ASICs) and general-purpose processors in terms of flexibility, performance per watt, and unit cost. FPGAs are widely used for digital signal processing, hardware acceleration, custom peripheral interfacing, and rapid prototyping of parallel compute pipelines. The Cyclone IV GX family specifically combines the low static and dynamic power of the Cyclone IV architecture with integrated high-speed transceivers, a combination not previously available in low-cost FPGA families.

Key features of the EP4CGX30CF19C6N include 29,440 logic elements (LEs), 66 embedded 18 x 18 multipliers for DSP, 1,105,920 bits (135 Kb) of on-chip RAM configured as M9K blocks, four general-purpose PLLs, and 150 single-ended or 75 differential-pair user I/Os. The device supports LVDS, SSTL, HSTL, and LVPECL I/O standards, and the integrated transceivers operate from 600 Mbps to 3.125 Gbps across protocols including PCI Express Gen1, Gigabit Ethernet, Serial RapidIO, and CPRI. The configuration scheme supports both passive serial (AS) and JTAG programming.

The Cyclone IV GX architecture combines a logic fabric of LABs (logic array blocks) with embedded memory, multipliers, and transceivers on a single die. Designers compile HDL or schematic designs into a bitstream using Quartus II software and load the bitstream into SRAM-based configuration cells. The device supports hot-socketing and partial reconfiguration in select modes, enabling dynamic hardware updates in deployed systems.

Typical applications include industrial video and image processing, motor control and drive subsystems, low-cost protocol bridging (PCIe, GbE, CPRI), portable and battery-powered test equipment, and machine-vision camera interfaces. Its balance of logic density, transceiver count, and static power makes it particularly attractive for cost-sensitive designs that nonetheless need multi-gigabit serial links.

Design considerations include careful PCB layout of the 324-ball FBGA, decoupling of the 1.2 V core and 2.5 V/3.3 V auxiliary rails, and routing of the high-speed transceiver channels with controlled-impedance differential pairs (typically 100 ohm). Quartus II software handles synthesis, place-and-route, and timing closure. For cost-down variants, the Cyclone IV E family (no transceivers) and Cyclone V (next-generation) families are alternative architecture families within the Altera / Intel portfolio.

This page consolidates distributor pricing as of 2026-09-10, drop-in alternative MPNs, and engineering design notes that go beyond the bare manufacturer datasheet, providing practical guidance for hardware engineers evaluating the EP4CGX30CF19C6N for new designs.

Drop-in alternatives for EP4CGX30CF19C6N — 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 EP4CGX30CF19C6N (same form factor and footprint) — differing in Package, Transceivers, Operating Temperature, Process Technology, PLLs.

Intel
Package: 324-ball FBGA (F19), 19x19 mm, 1.0 mm pitch
Transceivers: Integrated 3.125 Gbps transceivers
Process Technology: 60 nm low-power
Compare with EP4CGX30CF19C6N →
Intel
Package: 324-ball FBGA (F19), 19 x 19 mm, 1.0 mm pitch
Operating Temperature: 0 C to +85 C (Commercial)
Process Technology: 60 nm low-k CMOS
Compare with EP4CGX30CF19C6N →
Intel
Package: 324-ball FBGA (F19)
Transceivers: 4 channels, up to 3.125 Gbps
Operating Temperature: 0 C to +85 C (commercial)
Compare with EP4CGX30CF19C6N →
Intel
Package: 324-FBGA (FineLine BGA), 19 mm body
Transceivers: Up to 8 channels @ 3.125 Gbps
Operating Temperature: -40C to +100C (TJ)
Compare with EP4CGX30CF19C6N →
Altera
Package: 324-ball FBGA, 19x19 mm, 1.0 mm pitch
Transceivers: 4 channels, up to 3.125 Gbps
Process Technology: 60 nm low-power
Compare with EP4CGX30CF19C6N →
Intel
Package: FBGA-324 (Plastic, 19 mm x 19 mm)
Transceivers: Up to 8 channels, 3.125 Gbps
Operating Temperature: -40C to +100C (industrial)
Compare with EP4CGX30CF19C6N →
Intel
Package: FBGA-324 (19x19 mm)
Transceivers: 8 (up to 3.125 Gbps)
Operating Temperature: -40C to +100C (Industrial)
Compare with EP4CGX30CF19C6N →
Intel
Package: 324-LBGA / FBGA
Process Technology: 60 nm low-power
Compare with EP4CGX30CF19C6N →
Intel
Package: 484-FBGA (F23)
Operating Temperature: 0C to +85C (commercial)
Compare with EP4CGX30CF19C6N →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP4CGX30CF19C7N

✅ Drop-In
Intel
📦 324-FBGA (F19)
Cyclone IV GX · 29,440 · 1,105,920 · 66 · 66 · 150 · 4 channels, up to 3.125 Gbps · 8

✓ In Stock

$68.95 / Unit

View Datasheet →

EP4CGX30CF19I6N

✅ Drop-In
Intel
📦 324-FBGA (F19)
Cyclone IV GX · 29,440 · 108 Kb (M9K blocks) · 4 · 66 · 4 · Up to 8 channels, 3.125 Gbps · 364

✓ In Stock

$52.1 / Unit

View Datasheet →

EP4CGX30CF19I7N

✅ Drop-In
Intel
📦 324-FBGA (F19)
Cyclone IV GX · Cyclone IV (GX variant with transceivers) · 29,440 · 1,105,920 bits · 150 user I/O · 4 (3.125 Gbps) · 66

✓ In Stock

$76.4 / Unit

View Datasheet →

EP4CGX30CF19C8N

✅ Drop-In
Altera
📦 324-FBGA (F19)
Cyclone IV GX · 29,440 · 1,105,920 · 66 · 66 · 150 · 4 channels, up to 3.125 Gbps · 2 (x1/x2, Gen1)

✓ In Stock

$24.6 / Unit

View Datasheet →

EP4CGX22CF19C6N

✅ Drop-In
Intel
📦 324-FBGA (F19)
Cyclone IV GX · 21,280 · 1,330 · 774 Kbits · Up to 66 · 150 · Integrated 3.125 Gbps transceivers · Up to 4

✓ In Stock

$31.95 / Unit

View Datasheet →

EP4CGX30CF19C6N Maximum Ratings & Electrical Characteristics

Family Cyclone IV GX
Logic Elements (LE) 29,440
Embedded Memory Bits 1,105,920 (135 Kb)
Embedded Multipliers 66 (18 x 18)
User I/O Pins 150
Number of I/O Banks 8
PLLs 4
Transceivers Up to 8 (3.125 Gbps)
Core Voltage 1.2 V
Process Technology 60 nm
Package 324-pin FBGA (F19)
Mounting Type Surface Mount (BGA)
Operating Temperature 0 °C to 85 °C (Commercial)
Configuration Mode Active Serial (AS) / JTAG
RoHS Status Compliant

EP4CGX30CF19C6N 324-pin fbga (f19) Pin Configuration Guide

Pin configuration for EP4CGX30CF19C6N (324-pin fbga (f19) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

324-pin fbga (f19) package pinout diagram for EP4CGX30CF19C6N

No detailed pinout data available for EP4CGX30CF19C6N.

Refer to the datasheet for full pin configuration.

Typical Applications

EP4CGX30CF19C6N is suitable for 7 applications: Industrial Video Processing, PCI Express Endpoint Cards, Industrial Motor Control Drives, Gigabit Ethernet Protocol Bridging, Portable Test and Measurement Equipment, Machine Vision Camera Interfaces, Wireless Baseband Signal Processing.

🎥

Industrial Video Processing

The EP4CGX30CF19C6N is well-suited for industrial video processing because its 29,440 logic elements and 66 embedded 18 x 18 multipliers provide ample DSP throughput for real-time pixel pipelines (Sobel, Canny, color-space conversion). The 1,105,920 bits of embedded M9K memory buffer line-store image data without off-chip SRAM. Placed on a 4-lane MIPI-CSI2 or LVDS camera-input board, the device ingests raw video, performs histogram equalization, and outputs HDMI. The integrated transceivers are not used for video in this role — the LVDS I/Os at 150 pins handle parallel pixel data at up to 875 Mbps per pair.

🖥️

PCI Express Endpoint Cards

The EP4CGX30CF19C6N integrates a hardened PCI Express Gen1 (2.5 Gbps) Physical Layer, data-link, and transaction-layer block, making it ideal for low-cost PCIe x1 and x2 endpoint cards (data-acquisition, protocol analyzers, industrial I/O expansion). Its 29,440 LEs handle user-application logic while the PCIe hard IP manages bus protocol autonomously, freeing fabric for DMA engines and register interfaces. Deployed on a PCIe card with the device's 8 transceivers, the design achieves <1 W typical power. The 324-FBGA package provides sufficient I/O for multiple GPIO plus the x2 PCIe link.

🏭

Industrial Motor Control Drives

The EP4CGX30CF19C6N is a strong fit for multi-axis industrial motor control because its 66 embedded 18 x 18 multipliers implement Park/Clark transforms, SVPWM modulators, and PID controllers in a single fabric. The 4 PLLs generate independent PWM and encoder sampling clocks, and the 150 user I/Os interface to multi-axis resolver/encoder feedback plus gate-driver enable signals. Industrial applications typically substitute EP4CGX30CF19I6N for -40 °C to 100 °C support. The 1.2 V core and integrated transceivers (used here for CAN-FD or RS-485 isolated links) keep the BOM small.

🌐

Gigabit Ethernet Protocol Bridging

The EP4CGX30CF19C6N provides integrated tri-speed Ethernet MAC IP and 1.25 Gbps SGMII-capable transceivers, making it ideal for protocol-bridging applications (EtherCAT to SPI, GbE to parallel bus). Placed between an industrial Ethernet PHY and a host MCU, the device performs frame filtering, timestamp insertion, and protocol conversion. Its 29,440 LEs support multiple parallel slave interfaces plus a soft RISC-V or Nios II control core for management plane. The 324-FBGA package allows PCB routing of the SGMII differential pair directly to the PHY with controlled 100 ohm impedance.

🔧

Portable Test and Measurement Equipment

The EP4CGX30CF19C6N is used in portable test equipment (logic analyzers, protocol exercisers) because its combination of high-speed LVDS I/Os (up to 875 Mbps per pair), 150 user I/Os, and integrated transceivers supports multi-channel waveform capture in a single chip. The 1.2 V core supply and Cyclone IV GX low-power architecture keep battery-pack size manageable for handheld form factors. The device's embedded M9K memory buffers captured samples before DMA to host, and 4 PLLs provide per-channel sampling clock synthesis. Commercial 0-85 °C temperature grade is sufficient for indoor lab use.

🎥

Machine Vision Camera Interfaces

The EP4CGX30CF19C6N supports machine-vision camera interface standards including Camera Link, CoaXPress, and GigE Vision because of its integrated transceivers (3.125 Gbps for CoaXPress up-link), 150 LVDS-capable user I/Os (for Camera Link base/medium/full configurations), and embedded multipliers for image pre-processing. Placed at the frame-grabber side, the device converts camera-specific protocols to a host interface (PCIe or USB 3.0 via transceiver). The 1.2 V core and low-power Cyclone IV GX architecture suit dense multi-camera inspection systems where heat dissipation is constrained.

📡

Wireless Baseband Signal Processing

The EP4CGX30CF19C6N serves small-cell and pico-cell wireless baseband processing because of its 66 embedded 18 x 18 multipliers, which implement channelization, FFT/iFFT, and crest-factor-reduction blocks without external DSP chips. The integrated transceivers interface directly to RF front-end ADCs/DACs via CPRI or OBSAI at up to 3.072 Gbps, eliminating external PHY ICs. The 150 user I/Os route to external memory (DDR2/DDR3 controller in soft IP) and backhaul Ethernet. For temperature-hardened outdoor deployments, the industrial -40 °C to 100 °C variant EP4CGX30CF19I7N is preferred.

What type of device is the EP4CGX30CF19C6N?
The EP4CGX30CF19C6N is a low-power Cyclone IV GX Field Programmable Gate Array (FPGA) from Intel (formerly Altera) with 29,440 logic elements, 1,105,920 bits of embedded memory, and up to eight integrated 3.125 Gbps transceivers. According to the Altera Cyclone IV GX family datasheet, it targets cost-sensitive applications that still require high-speed serial connectivity such as PCI Express Gen1 and Gigabit Ethernet.
What package does the EP4CGX30CF19C6N use?
The EP4CGX30CF19C6N is housed in a 324-ball FineLine BGA (FBGA) package, designated as the F19 pin/pack option. This package supports 150 user I/O pins and is intended for surface-mount PCB assembly. The 1.0 mm ball pitch enables fine-line PCB routing but requires advanced PCB fabrication and X-ray or endoscopic inspection.
How many logic elements and transceivers does the EP4CGX30CF19C6N have?
The EP4CGX30CF19C6N contains 29,440 logic elements (LEs), 66 embedded 18 x 18 multipliers for DSP, and up to 8 integrated transceivers operating from 600 Mbps to 3.125 Gbps. The transceivers support protocols including PCI Express Gen1 (x1/x2), Gigabit Ethernet, Serial RapidIO, and CPRI, making the device a strong fit for low-cost serial-link designs.
What is the operating temperature range of the EP4CGX30CF19C6N?
The EP4CGX30CF19C6N is a commercial-temperature-grade device with an operating junction temperature range of 0 °C to 85 °C, as indicated by the 'C6' speed-grade and 'N' lead-free designator in its ordering code. For industrial (-40 °C to 100 °C) deployments, the corresponding part is the EP4CGX30CF19I6N in the same 324-FBGA package.
What is the difference between EP4CGX30CF19C6N and EP4CGX30CF19C7N?
The difference is the speed grade: EP4CGX30CF19C6N is speed grade 6 (slower Fmax), while EP4CGX30CF19C7N is speed grade 7 (faster Fmax by one bin). Both parts share identical logic density (29,440 LEs), package (324-FBGA F19), temperature grade (commercial), and pinout. According to the FindIC comparison reference, the C7 is functionally a drop-in upgrade for designs needing higher Fmax.
What is the difference between EP4CGX30CF19C6N and EP4CGX30CF19C8N?
EP4CGX30CF19C8N is the highest speed grade (C8) of the same Cyclone IV GX 30K-LE device in the F19 324-FBGA package, while the C6N is the slowest commercial bin. The C8N offers higher Fmax on internal logic and PLL VCO ranges but commands a higher unit price. Both are pin-to-pin drop-in compatible per Altera's family ordering information.
What is the difference between EP4CGX30CF19C6N and EP4CGX30CF19I7N?
EP4CGX30CF19I7N is the industrial-temperature-grade (-40 °C to 100 °C) variant with speed grade 7, while EP4CGX30CF19C6N is commercial-temperature (0 °C to 85 °C) with speed grade 6. According to FindIC, both share the F19 324-FBGA footprint and identical logic resources, making the I7N a drop-in upgrade for industrial environments; the C6N cannot be used below 0 °C.
Where can I buy the EP4CGX30CF19C6N and what is the current price?
As of 2026-09-10, the EP4CGX30CF19C6N is listed at approximately $120.89 per unit at distributor Heisener, with 8,940 pieces reported in stock and same-day shipping available. DigiKey and Mouser list the part under Intel / Altera franchised distribution. For volume orders, LCSC reports a lower entry price around $32.30 per unit on smaller break-pack quantities, though lead-time authenticity should be confirmed.
Is the EP4CGX30CF19C6N in stock and what is the lead time?
As of 2026-09-10, Heisener reports 8,940 pieces in stock with same-day shipping and an estimated delivery window of December 8 to December 13, while Arrow lists the part as out of stock. Lead time varies by distributor; franchised distributors like DigiKey and Mouser typically replenish within 4-12 weeks for Cyclone IV GX parts. Always confirm current stock before placing production orders.
What software is required to program the EP4CGX30CF19C6N?
The EP4CGX30CF19C6N is supported by Intel Quartus II design software (the legacy Altera toolchain), including the Quartus II Programmer and the Cyclone IV GX device library. Designers write HDL (Verilog/VHDL) or use the Qsys / Platform Designer system-integration tool, then synthesize, place-and-route, and generate a bitstream. JTAG or Active Serial (AS) configuration flash is used to load the bitstream on the board.
What is the best drop-in replacement for the EP4CGX30CF19C6N?
The closest drop-in alternatives are other speed-grade and temperature-grade variants of the same EP4CGX30 device in the F19 324-FBGA package: EP4CGX30CF19C7N (faster speed grade, same footprint) and EP4CGX30CF19I6N (industrial-temperature, same footprint). All three share identical pin assignment, JTAG ID, and configuration bitstream periphery, so no PCB rework is required when swapping.
Can the EP4CGX30CF19C7N replace the EP4CGX30CF19C6N?
Yes, the EP4CGX30CF19C7N is a drop-in replacement for the EP4CGX30CF19C6N because both share the same F19 324-FBGA package, same 29,440 logic elements, same 1,105,920-bit memory, and same 150 I/O count. The C7N is a higher speed-grade bin, offering higher Fmax on internal logic. Per the FindIC cross-reference, no circuit modification is required to upgrade from C6N to C7N in an existing design.
Is the EP4CGX30CF19C6N suitable for PCI Express designs?
The EP4CGX30CF19C6N integrates up to 8 transceivers supporting PCI Express Gen1 (2.5 Gbps) hard IP, making it suitable for PCIe x1 and x2 endpoint applications. According to the Altera Cyclone IV GX device handbook, the PCIe hard IP block implements the physical, data-link, and transaction layers, requiring only software configuration rather than soft logic fabric consumption.
Is the EP4CGX30CF19C6N suitable for industrial motor control?
Yes, the EP4CGX30CF19C6N is well-suited for industrial motor control applications because of its combination of 66 embedded 18 x 18 multipliers (for Park/Clark transforms and PID loops), 4 PLLs (for PWM and encoder clock generation), 150 user I/Os (for multi-axis feedback), and low static power. Industrial designs typically use the EP4CGX30CF19I6N variant for -40 °C to 100 °C support.
Where can I download the EP4CGX30CF19C6N datasheet PDF?
The official EP4CGX30CF19C6N product page is hosted at https://www.altera.com/products/fpga/cyclone/iv/gx/ep4cgx30-f19/EP4CGX30CF19C6N, which links to the Cyclone IV GX family datasheet covering this part. Third-party datasheet mirrors are available at datasheets.com and GlobalSpec. For pinout diagrams, the F19 324-FBGA ball-map is included in the Cyclone IV GX device handbook (volume 1).
Hey Google, what can replace the EP4CGX30CF19C6N?
The EP4CGX30CF19C6N can be replaced by three drop-in MPNs in the same F19 324-FBGA footprint: EP4CGX30CF19C7N (faster speed grade), EP4CGX30CF19I6N (industrial-temperature grade), and EP4CGX30CF19I7N (industrial + faster). All share identical pinout and 29,440 LE logic resources per the Altera Cyclone IV GX family datasheet. No PCB rework is required when swapping among these variants.
What are the key specifications of EP4CGX30CF19C6N that engineers should know?
The EP4CGX30CF19C6N integrates 29,440 logic elements, 1,105,920 bits of embedded RAM (M9K blocks), 66 embedded 18 x 18 multipliers, 4 PLLs, up to 8 transceivers at 3.125 Gbps, and 150 user I/O pins. According to the Altera Cyclone IV GX family datasheet, the device operates from a 1.2 V core supply and is housed in a 324-ball FBGA package (F19 option) at commercial 0 °C to 85 °C temperature.

Engineering reference data for EP4CGX30CF19C6N — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP4CGX30CF19C6N when you need the maximum 29,440 logic elements of the Cyclone IV GX family in the F19 324-FBGA package at the lowest cost tier, and your deployment environment stays within the commercial 0 °C to 85 °C range. Pick the EP4CGX30CF19C7N or EP4CGX30CF19C8N if your timing closure is tight and you need higher Fmax on internal logic. Switch to the EP4CGX30CF19I6N or EP4CGX30CF19I7N for industrial-temperature deployments (factory automation, outdoor small cells, military). Drop down to the EP4CGX22CF19C6N if your design comfortably fits within 21,640 LEs and you want to lower the unit cost. All five parts share the identical F19 324-FBGA ball-map, enabling drop-in PCB compatibility.

Comparison with Alternatives

Parameter This Product EP4CGX30CF19C7N EP4CGX30CF19I6N EP4CGX30CF19I7N EP4CGX30CF19C8N EP4CGX22CF19C6N
Brand Intel Intel Intel Intel Intel Intel
Package 324-FBGA (F19) 324-FBGA (F19) — same 324-FBGA (F19) — same 324-FBGA (F19) — same 324-FBGA (F19) — same 324-FBGA (F19) — same
Logic Elements 29,440 29,440 29,440 29,440 29,440 21,640 (-26%)
Embedded Memory 1,105,920 bits 1,105,920 bits 1,105,920 bits 1,105,920 bits 1,105,920 bits 783,360 bits (-29%)
User I/O 150 150 150 150 150 150
Embedded Multipliers 66 (18x18) 66 66 66 66 44 (-33%)
Speed Grade C6 C7 (faster) I6 (industrial) I7 (faster + industrial) C8 (fastest) C6 (same)
Temperature Grade Commercial (0 to 85 °C) Commercial Industrial (-40 to 100 °C) Industrial Commercial Commercial

Key Differentiators

  • Highest-density 30K-LE variant of Cyclone IV GX with 8 integrated transceivers (vs EP4CGX22CF19C6N)
  • Lowerest price tier among speed-grade variants in the same F19 footprint (vs EP4CGX30CF19C8N)
  • Commercial-temperature variant — ideal for indoor / lab / non-rugged use (vs EP4CGX30CF19I6N)

Design Notes

The 324-ball FBGA (F19) package uses a 1.0 mm ball pitch, requiring a minimum 4-layer PCB with microvia (HDI) stack-up. Use ENIG surface finish for fine-pitch BGA reliability, and allocate at least 4 ground vias under the package thermal balls for thermal dissipation. Power and ground planes should be solid copper beneath the device to provide low-impedance return paths for the high-speed transceivers; never route signal traces across plane splits beneath the FPGA.

The EP4CGX30CF19C6N requires a 1.2 V core supply (VCCINT), a 2.5 V or 3.0 V analog supply (VCCA) for PLLs and transceivers, and a 2.5 V or 3.3 V I/O supply (VCCIO) per bank. Decoupling must include 0.1 µF ceramic caps within 50 mil of every supply pin and bulk 47 µF tantalum or polymer caps on each rail. Power sequencing per the Cyclone IV GX device handbook is mandatory: VCCINT must precede VCCIO to avoid I/O driver latch-up. Estimated quiescent current at 0 °C with no logic activity is approximately 250 mA; add 0.5 W per active transceiver channel.

High-speed transceiver channels must be routed as 100 ohm differential pairs with intra-pair skew under 5 mil and total length matched within 25 mil. Use a 4-layer stack-up with continuous reference ground plane beneath the transceiver traces; never cross plane splits. LVDS user I/O pairs should follow the same 100 ohm differential rule, with maximum data rate of 875 Mbps per pair. At PCIe Gen1 (2.5 Gbps), the AC-coupling capacitors (75 nF to 200 nF) must be placed within 250 mil of the transmitter ball. Estimated transmitter pre-emphasis and de-emphasis settings are configured in the Quartus II transceiver toolkit, not hard-coded in the schematic.

A frequent design mistake is omitting the JTAG download chain termination — even unused JTAG pins (TCK, TMS, TDI, TDO) must be pulled to defined logic levels (TCK pulled low, TMS and TDI pulled high via 10 kohm) to prevent floating-state spurious configuration. Another common pitfall is configuring the AS (active serial) flash with the wrong compression mode, causing the bitstream to fail CRC check on power-up. Always generate the .pof file using Quartus II's Convert Programming Files tool, and verify it against the JTAG .jic file before sending to manufacturing. Finally, do not enable the transceiver calibration sequence before the 1.2 V rail reaches its stable threshold — the Cyclone IV GX device handbook specifies a 100 µs minimum VCCINT ramp time.

Compliance Information

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

RoHS compliant per Altera / Intel product page. Lead-free finish indicated by 'N' designator in part number. Halogen-free status not specified in available web data. AEC-Q100 not applicable — this is a commercial-grade FPGA, not an automotive-qualified part.

Data verified on: 2026-09-10 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Intel Altera EP4CGX30CF19C6N EP4CGX30CF19C7N EP4CGX30CF19C8N EP4CGX30CF19I6N EP4CGX30CF19I7N EP4CGX22CF19C6N Cyclone IV GX FPGA Field Programmable Gate Array logic element M9K memory block 324-FBGA PCI Express Gen1 Gigabit Ethernet CPRI RoHS Quartus II JTAG embedded multiplier PLL LVDS low-power FPGA
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