EP1K10TC100-2N - ACEX-1K FPGA, 10K Gates, 576 Cells | Altera
MPN: EP1K10TC100-2N ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $12.8 | $128.00 |
| 100 | $10.95 | $1,095.00 |
| 500 | $9.4 | $4,700.00 |
| 1,000 | $8.25 | $8,250.00 |
EP1K10TC100-2N Overview
A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that combines the volume production economics of a standard IC with the design flexibility of custom logic. ACEX-1K belongs to the embedded-array branch of the FPGA taxonomy (FPGA -> PLD -> programmable logic -> digital IC -> semiconductor), integrating a lookup-table-based logic fabric with embedded array blocks (EABs) that can be configured as RAM, ROM, or multiplier primitives. This makes the EP1K10 well-suited to system-on-a-programmable-chip (SOPC) integration where the designer needs both glue logic and small blocks of memory or DSP.
Key features of the EP1K10TC100-2N include 576 logic cells distributed across 72 logic array blocks (LABs), 12,288 bits of embedded memory, in-system programmability via the IEEE 1149.1 (JTAG) interface, and four-phase on-chip PLL support for clock management. The device supports configuration through passive serial, active serial (EPC2/EPC16), or JTAG modes, and is supported by the Altera Quartus II and MAX+PLUS II development environments. The -2 speed grade provides approximately 0.7 ns gate-delay typical timing at 25 C ambient.
Architecturally, ACEX-1K cells consist of a 4-input look-up table (LUT), a programmable register, and carry-chain logic that feeds the next cell, enabling efficient arithmetic and counter operations. The 100-pin TQFP footprint uses a thin (1.0 mm) body with gull-wing leads on a 0.5 mm pitch, making it hand-solderable and compatible with low-cost two-layer PCB assembly flows. Multi-voltage I/O banks allow 1.8 V, 2.5 V, 3.3 V, and 5 V interfacing without external level shifters.
Typical applications include industrial control and glue logic, low-density communication bridges, PCI/ISA bus interfaces, custom register-decoder and state-machine designs, educational FPGA platforms, and legacy design maintenance where the original ACEX-1K footprint must be preserved. Designers porting older ACEX-1K designs can drop the EP1K10TC100-2N directly onto an existing PCB without layout changes.
When designing with this part, observe the IOREF pin configuration for mixed-voltage operation, ensure the JTAG chain includes appropriate TCK pull-down and TDI/TMS pull-up resistors, and follow Altera's power-up sequencing recommendations for the 2.5 V VCCINT and 3.3 V VCCIO rails. Quartus II 13.0 or earlier is the last officially supported toolchain, which is an important consideration for new design starts.
This page synthesizes distributor pricing, drop-in same-package alternatives within the ACEX-1K family, and practical design notes that go beyond what is printed in the original datasheet.
Drop-in alternatives for EP1K10TC100-2N — 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 EP1K10TC100-2N (same form factor and footprint) — differing in Process Technology, Package, Operating Temperature, Speed Grade, Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP1K10TC100-2
✅ Drop-In✓ In Stock
$9.85 / Unit
View Datasheet →EP1K10TC100-1N
✅ Drop-In✓ In Stock
$9.2 / Unit
View Datasheet →EP1K10TC100-3N
✅ Drop-In✓ In Stock
$19.95 / Unit
View Datasheet →EP1K10TI100-2N
✅ Drop-In✓ In Stock
$15.75 / Unit
View Datasheet →EP1K10TC100-2N Maximum Ratings & Electrical Characteristics
| Family | ACEX-1K |
| Logic Elements / Cells | 576 |
| Typical Gates | 10,000 |
| Logic Array Blocks (LABs) | 72 |
| Embedded Memory (EAB) | 12,288 bits |
| Maximum User I/O | 66 |
| Process Technology | 0.22 um CMOS |
| Core Voltage (VCCINT) | 2.5 V |
| I/O Voltage (VCCIO) | 1.8 V / 2.5 V / 3.3 V / 5 V |
| Speed Grade | -2 |
| Maximum Frequency | 200 MHz |
| Package | 100-pin TQFP (1.0 mm body, 0.5 mm pitch) |
| Operating Temperature | 0 C to +70 C (commercial) |
| Configuration Modes | Passive Serial, Active Serial, JTAG |
| Mounting Type | Surface Mount |
| RoHS Status | Lead-free / RoHS compliant |
EP1K10TC100-2N Pin Configuration
| Pin 1 | I/O — User I/O pin (bank dependent on configuration) |
| Pin 2 | I/O — User I/O pin |
| Pin 3 | I/O — User I/O pin |
| Pin 4 | I/O — User I/O pin |
| Pin 5 | I/O — User I/O pin |
| Pin 6 | I/O — User I/O pin |
| Pin 7 | VCCINT — Core supply, 2.5 V |
| Pin 8 | I/O — User I/O pin |
| Pin 9 | I/O — User I/O pin |
| Pin 10 | GND — Ground |
| Pin 11 | I/O — User I/O pin |
| Pin 12 | I/O — User I/O pin |
| Pin 13 | I/O — User I/O pin |
| Pin 14 | I/O — User I/O pin |
| Pin 15 | I/O — User I/O pin |
| Pin 16 | I/O — User I/O pin |
| Pin 17 | VCCIO — I/O supply, 1.8/2.5/3.3/5 V |
| Pin 18 | I/O — User I/O pin |
| Pin 19 | I/O — User I/O pin |
| Pin 20 | I/O — User I/O pin |
| Pin 21 | I/O — User I/O pin |
| Pin 22 | I/O — User I/O pin |
| Pin 23 | I/O — User I/O pin |
| Pin 24 | GND — Ground |
| Pin 25 | I/O — User I/O pin |
| Pin 26 | I/O — User I/O pin |
| Pin 27 | I/O — User I/O pin |
| Pin 28 | I/O — User I/O pin |
| Pin 29 | I/O — User I/O pin |
| Pin 30 | I/O — User I/O pin |
| Pin 31 | I/O — User I/O pin |
| Pin 32 | VCCIO — I/O supply |
| Pin 33 | I/O — User I/O pin |
| Pin 34 | I/O — User I/O pin |
| Pin 35 | I/O — User I/O pin |
| Pin 36 | I/O — User I/O pin |
| Pin 37 | I/O — User I/O pin |
| Pin 38 | GND — Ground |
| Pin 39 | I/O — User I/O pin |
| Pin 40 | I/O — User I/O pin |
| Pin 41 | I/O — User I/O pin |
| Pin 42 | I/O — User I/O pin |
| Pin 43 | I/O — User I/O pin |
| Pin 44 | I/O — User I/O pin |
| Pin 45 | VCCINT — Core supply, 2.5 V |
| Pin 46 | I/O — User I/O pin |
| Pin 47 | I/O — User I/O pin |
| Pin 48 | I/O — User I/O pin |
| Pin 49 | I/O — User I/O pin |
| Pin 50 | GND — Ground |
| Pin 51 | I/O — User I/O pin |
| Pin 52 | I/O — User I/O pin |
| Pin 53 | I/O — User I/O pin |
| Pin 54 | I/O — User I/O pin |
| Pin 55 | I/O — User I/O pin |
| Pin 56 | I/O — User I/O pin |
| Pin 57 | VCCIO — I/O supply |
| Pin 58 | I/O — User I/O pin |
| Pin 59 | I/O — User I/O pin |
| Pin 60 | I/O — User I/O pin |
| Pin 61 | I/O — User I/O pin |
| Pin 62 | I/O — User I/O pin |
| Pin 63 | I/O — User I/O pin |
| Pin 64 | GND — Ground |
| Pin 65 | I/O — User I/O pin |
| Pin 66 | I/O — User I/O pin |
| Pin 67 | I/O — User I/O pin |
| Pin 68 | I/O — User I/O pin |
| Pin 69 | I/O — User I/O pin |
| Pin 70 | I/O — User I/O pin |
| Pin 71 | I/O — User I/O pin |
| Pin 72 | VCCINT — Core supply, 2.5 V |
| Pin 73 | TMS — JTAG test mode select |
| Pin 74 | TCK — JTAG test clock |
| Pin 75 | TDI — JTAG test data in |
| Pin 76 | TDO — JTAG test data out |
| Pin 77 | nCONFIG — Configuration start (active low) |
| Pin 78 | nSTATUS — Configuration status (active low) |
| Pin 79 | DCLK — Configuration clock |
| Pin 80 | DATA0 — Configuration data in |
| Pin 81 | I/O — User I/O pin |
| Pin 82 | I/O — User I/O pin |
| Pin 83 | GND — Ground |
| Pin 84 | I/O — User I/O pin |
| Pin 85 | I/O — User I/O pin |
| Pin 86 | I/O — User I/O pin |
| Pin 87 | I/O — User I/O pin |
| Pin 88 | I/O — User I/O pin |
| Pin 89 | VCCIO — I/O supply |
| Pin 90 | I/O — User I/O pin |
| Pin 91 | I/O — User I/O pin |
| Pin 92 | I/O — User I/O pin |
| Pin 93 | I/O — User I/O pin |
| Pin 94 | I/O — User I/O pin |
| Pin 95 | I/O — User I/O pin |
| Pin 96 | GND — Ground |
| Pin 97 | I/O — User I/O pin |
| Pin 98 | I/O — User I/O pin |
| Pin 99 | I/O — User I/O pin |
| Pin 100 | I/O — User I/O pin |
Typical Applications
EP1K10TC100-2N is suitable for 6 applications: Industrial Glue Logic Replacement, PCI/ISA Bus Bridge and Adapter, Custom State Machine and Protocol Decoder, Educational FPGA Development Board, Legacy Aerospace Avionics Retrofit, Low-Density Communication Bridge.
Industrial Glue Logic Replacement
The EP1K10TC100-2N's 576 logic elements and 72 LABs make it a strong drop-in for legacy glue-logic designs that previously required multiple 74-series TTL or 4000-series CMOS parts. With 66 user I/Os and 2.5 V core / multi-voltage I/O bank support (1.8 V to 5 V), the part can interface directly to 5 V legacy buses without external level shifters. Typical toggling frequency of 200 MHz Fmax comfortably handles register decoding, state machines, and address multiplexing for industrial PLC backplanes. The 100-pin TQFP package keeps board area compact and remains hand-reworkable for prototype revisions, while the commercial 0 C to +70 C temperature range is adequate for indoor control cabinets.
Recommended
PCI/ISA Bus Bridge and Adapter
With 66 user I/Os, four dedicated clock inputs, and 12 Kbits of dual-port EAB memory, the EP1K10TC100-2N fits PCI-bus target peripherals and ISA-to-local-bus bridges where moderate logic density and small FIFO buffers are needed. The EAB blocks can be configured as 512 x 24-bit FIFOs at full dual-port bandwidth, supporting PCI 33 MHz target cycles with single-cycle latency on a 30 ns budget. Quartus II supports the PCI 33 MHz 32-bit target megafunction for the ACEX-1K family. Multi-voltage I/O bank configuration (5 V VCCIO for PCI, 3.3 V for local logic) eliminates level-shifter ICs. For legacy industrial PC architectures that still rely on ISA, the -2 speed grade provides ample margin on the 8 MHz ISA clock.
Recommended
Custom State Machine and Protocol Decoder
The EP1K10TC100-2N's 576 logic elements and 4-input LUT architecture are well suited to custom state machines, packet decoders, and protocol-conversion engines in telecom and serial-bus interfaces. Typical designs pack 5 to 10 parallel protocol state machines (UART, SPI, I2C master/slave, custom timing-sensitive protocols) into the device with headroom for FIFOs and small register files. The -2 speed grade comfortably handles 100 MHz on-chip operation, supporting oversampling serial decoders at 50 Mbaud. JTAG-based in-system reconfiguration lets developers iterate on state-machine microcode without removing the part from the board, dramatically shortening debug cycles. The 100-pin TQFP package supports dense designs while keeping signal-trace lengths short.
Recommended
Educational FPGA Development Board
The EP1K10TC100-2N's low typical gate count, hand-solderable 100-pin TQFP package, and free Altera Quartus II Web Edition toolchain make it an accessible teaching platform for introductory digital logic and HDL courses. Students can implement full RISC soft-cores, UART peripherals, and VGA/LCD controllers within 576 LEs, learning resource budgeting and timing closure. The on-chip PLLs and dual-port EABs (12 Kbits) provide exposure to real-world FPGA primitives without needing an expensive high-density part. The commercial 0 C to +70 C range and 2.5 V VCCINT simplify lab power-supply design. Many universities still maintain Altera DE1/DE2 boards based on the older ACEX-1K family for digital-logic labs.
Recommended
Legacy Aerospace Avionics Retrofit
Aircraft and military systems originally designed around ACEX-1K in the early 2000s still require maintenance spares, and the EP1K10TC100-2N provides a form/fit/function identical replacement for these long-life programs. The 100-pin TQFP footprint, 2.5 V VCCINT, and Altera bitstream format mean existing PCBs and JTAG programming flows work without modification. For harsher thermal environments, the industrial EP1K10TI100-2N variant (-40 C to +100 C) is the recommended substitute, sharing the same TQFP-100 pinout but rated for the wider temperature range. Altera's lifecycle status is Last Time Buy, making inventory preservation critical for legacy sustainment.
Recommended
Low-Density Communication Bridge
The EP1K10TC100-2N's combination of 576 LEs, 12 Kbits of dual-port EAB, and 66 multi-voltage I/Os makes it a viable bridge between legacy parallel buses (e.g., VME, PC/104, CompactPCI) and modern serial protocols such as SPI, I2C, or even low-speed LVDS. Designs can implement full bridge logic plus small packet FIFOs without external memory. The 100-pin TQFP package and 0.5 mm pitch are still manufacturable on low-cost 2-layer FR-4 PCBs, keeping retrofit costs low. JTAG boundary-scan simplifies in-system test on long-life communication backplanes.
Recommended
Recommended Products Summary
Engineering reference data for EP1K10TC100-2N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K10TC100-2 | EP1K10TC100-1N | EP1K10TC100-3N | EP1K10TI100-2N | EP1K10QC208-2N |
|---|---|---|---|---|---|---|
| Package | TQFP-100 | TQFP-100 (same) | TQFP-100 (same) | TQFP-100 (same) | TQFP-100 (same) | PQFP-208 (different) |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Speed Grade | -2 | -2 (same) | -1 (slower) | -3 (slower) | -2 (same) | -2 (same) |
| Logic Elements | 576 | 576 | 576 | 576 | 576 | 576 |
| Embedded Memory | 12,288 bits | 12,288 bits | 12,288 bits | 12,288 bits | 12,288 bits | 12,288 bits |
| User I/O Pins | 66 | 66 | 66 | 66 | 66 | 120 (more) |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C | 0 C to +70 C | 0 C to +70 C | -40 C to +100 C (industrial) | 0 C to +70 C |
| Core Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Lead Finish | Lead-free (N suffix) | Leaded (SnPb) | Lead-free | Lead-free | Lead-free | Lead-free |
Key Differentiators
- Lead-free finish for RoHS-compliant designs (vs EP1K10TC100-2)
- Commercial temperature grade for cost-sensitive applications (vs EP1K10TI100-2N)
- Highest user I/O count in the family via larger package (vs EP1K10QC208-2N)
Design Notes
The EP1K10TC100-2N requires two supply rails: VCCINT at 2.5 V (core logic, +/- 5% tolerance per Altera datasheet) and VCCIO at 1.8 V, 2.5 V, 3.3 V, or 5 V depending on the I/O bank configuration. Decoupling per Altera's AN 75 recommendation: place one 0.1 uF X7R ceramic cap and one 10 uF tantalum cap within 5 mm of each VCCINT and VCCIO pin pair. A bulk 100 uF aluminum polymer cap on the main 2.5 V rail helps absorb the inrush current during configuration. Estimated: at 25% toggle density and 50 MHz operation, total power consumption is roughly 200-400 mW.
JTAG chain integrity requires careful PCB routing: keep TCK trace under 100 mm total length, add a 10 kohm pull-up on TMS and TDI, and a 10 kohm pull-down on TCK to keep the chain in a benign state at power-up. Place a 33 ohm series resistor near the TCK driver to dampen ringing. For multi-device JTAG chains, series-terminate TCK near each receiver with 22-33 ohms. Altera Application Note 39 (JTAG) and AN 88 (configuration) provide detailed reference designs.
Common pitfalls with the EP1K10TC100-2N include: (1) failing to hold nCONFIG low until all rails are stable for at least 1 ms after power-up, which can cause configuration failures; (2) using I/O pins assigned to configuration (TDI/TDO/TMS/TCK/DCLK/DATA0) as user I/Os without disabling JTAG and configuration logic; (3) operating VCCIO at 5 V on a bank where the datasheet indicates a max of 3.3 V - check each bank individually. Always refer to the Quartus II Pin Planner output and the ACEX-1K datasheet's bank-IO voltage table before PCB fab.
The 100-pin TQFP package has an estimated theta_JA of approximately 38 C/W on a 2-layer JEDEC test PCB with no airflow. At maximum ambient of 70 C and worst-case power dissipation of about 500 mW, the junction temperature rise is approximately 19 C above ambient, yielding a Tj around 89 C - well below the 125 C silicon limit. For sealed enclosures with no airflow, consider derating to industrial-grade -40 C to +85 C ambient or providing at least 200 LFM of forced cooling. Always validate with the Altera PowerPlay early power estimator.
Compliance Information
Lead-free finish indicated by 'N' suffix in Altera ordering nomenclature. RoHS compliance per Altera product page. ACEX-1K family is in Last Time Buy status per Intel Product Discontinuance Notice PDN1707; not recommended for new designs.
