EP1K10TC100-2N - ACEX-1K FPGA, 10K Gates, 576 Cells | Altera
MPN: EP1K10TC100-2N β 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 |
Drop-in alternatives for EP1K10TC100-2N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EP1K10TC100-2
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$9.85 / Unit
View Datasheet βEP1K10TC100-1N
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$9.2 / Unit
View Datasheet βEP1K10TC100-3N
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$19.95 / Unit
View Datasheet βEP1K10TI100-2N
β Drop-Inβ In Stock
$15.75 / Unit
View Datasheet βEP1K10TC100-2N 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 β User I/O pin (bank dependent on configuration) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | I/O β User I/O pin |
| Pin 6 | I/O β User I/O pin |
| Pin 7 | VCCINT β Core supply, 2.5 V |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | I/O β User I/O pin |
| Pin 15 | I/O β User I/O pin |
| Pin 16 | I/O β User I/O pin |
| Pin 17 | VCCIO β I/O supply, 1.8/2.5/3.3/5 V |
| Pin 18 | I/O β User I/O pin |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | I/O β User I/O pin |
| Pin 24 | GND β Ground |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | I/O β User I/O pin |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | VCCIO β I/O supply |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | GND β Ground |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | I/O β User I/O pin |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | VCCINT β Core supply, 2.5 V |
| Pin 46 | I/O β User I/O pin |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
| Pin 49 | I/O β User I/O pin |
| Pin 50 | GND β Ground |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | I/O β User I/O pin |
| Pin 53 | I/O β User I/O pin |
| Pin 54 | I/O β User I/O pin |
| Pin 55 | I/O β User I/O pin |
| Pin 56 | I/O β User I/O pin |
| Pin 57 | VCCIO β I/O supply |
| Pin 58 | I/O β User I/O pin |
| Pin 59 | I/O β User I/O pin |
| Pin 60 | I/O β User I/O pin |
| Pin 61 | I/O β User I/O pin |
| Pin 62 | I/O β User I/O pin |
| Pin 63 | I/O β User I/O pin |
| Pin 64 | GND β Ground |
| Pin 65 | I/O β User I/O pin |
| Pin 66 | I/O β User I/O pin |
| Pin 67 | I/O β User I/O pin |
| Pin 68 | I/O β User I/O pin |
| Pin 69 | I/O β User I/O pin |
| Pin 70 | I/O β User I/O pin |
| Pin 71 | I/O β User I/O pin |
| Pin 72 | VCCINT β Core supply, 2.5 V |
| Pin 73 | TMS β JTAG test mode select |
| Pin 74 | TCK β JTAG test clock |
| Pin 75 | TDI β JTAG test data in |
| Pin 76 | TDO β JTAG test data out |
| Pin 77 | nCONFIG β Configuration start (active low) |
| Pin 78 | nSTATUS β Configuration status (active low) |
| Pin 79 | DCLK β Configuration clock |
| Pin 80 | DATA0 β Configuration data in |
| Pin 81 | I/O β User I/O pin |
| Pin 82 | I/O β User I/O pin |
| Pin 83 | GND β Ground |
| Pin 84 | I/O β User I/O pin |
| Pin 85 | I/O β User I/O pin |
| Pin 86 | I/O β User I/O pin |
| Pin 87 | I/O β User I/O pin |
| Pin 88 | I/O β User I/O pin |
| Pin 89 | VCCIO β I/O supply |
| Pin 90 | I/O β User I/O pin |
| Pin 91 | I/O β User I/O pin |
| Pin 92 | I/O β User I/O pin |
| Pin 93 | I/O β User I/O pin |
| Pin 94 | I/O β User I/O pin |
| Pin 95 | I/O β User I/O pin |
| Pin 96 | GND β Ground |
| Pin 97 | I/O β User I/O pin |
| Pin 98 | I/O β User I/O pin |
| Pin 99 | I/O β User I/O pin |
| Pin 100 | I/O β User I/O pin |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
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 β 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.
