EPF10K10ATC100-2 - FLEX 10KA FPGA, 10K Gates, 100-Pin TQFP | Intel / Altera
MPN: EPF10K10ATC100-2 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.4 | $164.00 |
| 100 | $13.95 | $1,395.00 |
| 500 | $11.2 | $5,600.00 |
| 1,000 | $9.85 | $9,850.00 |
EPF10K10ATC100-2 Overview
What is a FLEX 10KA FPGA? The FLEX 10KA family is a second-generation embedded programmable logic device family from Altera that combines a fine-grained logic element array with coarse-grained embedded array blocks (EABs). Each EAB provides up to 2 Kbits of RAM, allowing designers to implement true dual-port or single-port memory, ROM, and complex arithmetic functions such as multipliers on-chip. The device sits in the hierarchy: programmable logic device -> CPLD/FPGA -> SRAM-based FPGA -> embedded array FPGA, and is well-suited to glue logic, bus interfacing, and low-to-mid density state machine implementations.
Key features include 72 LABs (Logic Array Blocks), 576 logic elements, embedded EAB-based memory blocks, in-system programmability via JTAG, multi-volt I/O support, and pin-compatible migration across package densities. The "-2" speed grade reflects the propagation delay tier (approximately 0.6 ns internal). The 100-pin LFQFP package uses gull-wing leads with a 0.5 mm pitch and supports commercial temperature range 0 C to +70 C. The architecture is built on a 5 V tolerant, 0.42 um CMOS process that has been widely second-sourced and documented.
Typical applications include PCI bus interface glue logic, telecommunications channel aggregation, industrial control and instrumentation, prototype ASIC emulation, and educational / development platforms where low cost and reusable logic density are critical. Designers transitioning away from discrete 74LS / 74F TTL logic find the FLEX 10KA particularly attractive because a single device can replace dozens of SSI/MSI packages while adding reprogrammability for late-stage design changes.
When designing with this device, ensure JTAG chain integrity by adding proper TCK pull-up and TMS pull-up resistors per IEEE 1149.1 (BST - Boundary Scan Test). For new designs, the FLEX 10KA is functionally mature but considered legacy; consider Cyclone IV or MAX II for active production, or use EPF10K10ATC100-2 in maintenance of existing installed bases where proven in-system behavior matters more than active product lifecycle.
Drop-in alternatives for EPF10K10ATC100-2 — 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 EPF10K10ATC100-2 (same form factor and footprint) — differing in Family, Operating Temperature, Package, Propagation Delay, Logic Elements.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF10K10ATC100-1
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$18.2 / Unit
View Datasheet →EPF10K10ATC100-3
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
EPF10K10ATC100-2 Maximum Ratings & Electrical Characteristics
| Family | FLEX 10KA (FLEX 10KAFamily) |
| Usable Gates | 10,000 gates |
| Logic Elements | 576 cells |
| Logic Array Blocks (LABs) | 72 |
| Maximum User I/Os (this package) | 66 (per Mouser listing) |
| Maximum User I/Os (largest package) | 274 |
| Package | 100-pin LFQFP / TQFP |
| Package Code | LFQFP |
| Terminal Form | Gull Wing |
| Supply Voltage | 3.3 V |
| Maximum Toggle Frequency | 142.86 MHz |
| Propagation Delay | 0.6 ns (typical internal) |
| Logic Family | CMOS (SRAM-based) |
| Operating Temperature | 0 C to +70 C (Commercial) |
| Programming Method | SRAM / JTAG (in-system) |
| Mounting Type | Surface Mount |
| Grade | Commercial |
| Datasheet Document | Altera FLEX 10KA datasheet (A-DS-F10K-04.1) |
EPF10K10ATC100-2 lfqfp Pin Configuration Guide
Pin configuration for EPF10K10ATC100-2 (lfqfp 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.
No detailed pinout data available for EPF10K10ATC100-2.
Refer to the datasheet for full pin configuration.
Typical Applications
EPF10K10ATC100-2 is suitable for 6 applications: PCI Bus Interface Glue Logic, Legacy TTL / SSI Replacement, Telecommunications Channel Aggregation, Industrial Control and Instrumentation, ASIC Prototyping and Emulation, Educational FPGA Training Platforms.
PCI Bus Interface Glue Logic
The EPF10K10ATC100-2's 10K gates and 72 LABs fit cleanly between a host processor and a PCI bus for address decoding, command translation, and wait-state insertion. With 66 user I/Os and 5 V tolerant I/O banks, the part can directly interface legacy 5 V peripherals on a 3.3 V host, eliminating external level shifters. Estimated: a typical 32-bit PCI target state machine consumes 4-5K gates plus 256x8 EAB-based configuration space, well within the device's capacity.
Recommended
Legacy TTL / SSI Replacement
Designers maintaining 1980s-1990s-era boards built from 74LS, 74F, and 74AS TTL can replace dozens of SSI/MSI packages with a single EPF10K10ATC100-2, reducing board area and power. The 0.6 ns propagation delay rivals fast-TTL, and JTAG in-system programmability lets engineers make late-stage ECO changes without board rework. Estimated: one FLEX 10KA can replace approximately 20-30 standard TTL packages in a typical decoder/counter/registered glue design.
Recommended
Telecommunications Channel Aggregation
Telecom multiplexer and demultiplexer designs benefit from the FLEX 10KA's EAB-based dual-port RAM, which allows simultaneous read/write on independent clock domains. The 3.3 V core with 5 V tolerant I/O makes the EPF10K10ATC100-2 compatible with both legacy E1/T1 line interface units and modern 3.3 V framers. With 142.86 MHz maximum toggle frequency, the device handles DS3 (44.736 Mbps) rates comfortably with margin.
Recommended
Industrial Control and Instrumentation
Factory automation controllers and laboratory instruments rely on the EPF10K10ATC100-2 for combining sensor signal conditioning, encoder quadrature decoding, and serial protocol translation on a single programmable device. The 0 C to +70 C commercial temperature range suits indoor control cabinets, and JTAG boundary scan simplifies PCB test per IEEE 1149.1. The embedded EABs enable on-chip FIFO buffering for asynchronous data acquisition.
Recommended
ASIC Prototyping and Emulation
Before committing to a masked ASIC, design teams prototype gate-level netlists on a FLEX 10KA device like the EPF10K10ATC100-2 to validate timing, functional behavior, and system integration at hardware speed. The 142.86 MHz toggle rate allows real-time emulation of ASICs in the 50-100 MHz range, and JTAG-based logic analysis ports enable on-chip signal observation. Multiple devices can be cascaded to emulate larger ASICs.
Recommended
Educational FPGA Training Platforms
Universities and training labs use the EPF10K10ATC100-2 on legacy Altera development boards to teach Verilog / VHDL synthesis, JTAG programming, and synchronous design. The 10K-gate capacity is large enough for meaningful lab projects (UART, SPI controller, simple CPU cores) yet small enough that synthesis completes in seconds on student laptops. The well-documented A-DS-F10K-04.1 datasheet provides a complete teaching reference.
Recommended
Recommended Products Summary
Engineering reference data for EPF10K10ATC100-2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF10K10ATC100-1 | EPF10K10ATC100-3 | EPF10K10AQC208-2 | EPF10K10AQC208-3 | EPF10K10AQC208-3N |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (LFQFP) | 100-pin TQFP (LFQFP) - same | 100-pin TQFP (LFQFP) - same | 208-pin PQFP - LARGER (not pin-compatible) | 208-pin PQFP - LARGER (not pin-compatible) | 208-pin PQFP - LARGER (not pin-compatible) |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Family | FLEX 10KA | FLEX 10KA | FLEX 10KA | FLEX 10KA | FLEX 10KA | FLEX 10KA |
| Usable Gates | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 | 10,000 |
| Logic Elements | 576 | 576 | 576 | 576 | 576 | 576 |
| Speed Grade | -2 (mid) | -1 (fastest) | -3 (slowest) | -2 (mid) | -3 (slowest) | -3N (slowest, lead-free) |
| Maximum User I/Os | 66 (100-pin) | 66 (100-pin) | 66 (100-pin) | up to 150 (208-pin) | up to 150 (208-pin) | up to 150 (208-pin) |
| Supply Voltage | 3.3 V core | 3.3 V core | 3.3 V core | 3.3 V core | 3.3 V core | 3.3 V core |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Drop-in same-package speed-grade family (vs EPF10K10ATC100-1)
- Lowest-gate, lowest-cost FLEX 10KA member (vs EPF10K100EQC208-2)
- Compact 100-pin TQFP for space-constrained boards (vs EPF10K10AQC208-3N)
Design Notes
Place decoupling capacitors (0.1 uF ceramic) on every VCCINT and VCCIO pin, with bulk 10-47 uF tantalum or polymer caps on the 3.3 V rail near the FPGA. The 100-pin TQFP package has high lead inductance; keep all 3.3 V supply traces short and wide. The FLEX 10KA also requires a 1.5 V VCCPD supply (derived from an external regulator or the EPC2 configuration device) - do not omit this pin.
The EPF10K10ATC100-2 is SRAM-based and loses configuration on power-down. Always pair it with a configuration device (EPC2LC20 or EPC1PC8) or external microcontroller to load the bitstream at power-up. Do not leave MSEL pins floating - tie them per the configuration mode datasheet table. ConfMode pins determine whether the FPGA boots from a serial or parallel configuration PROM.
For high-speed I/O above 50 MHz, add 22-33 ohm series damping resistors at the FPGA output to reduce reflections on long traces. The FLEX 10KA I/O is 5 V tolerant but only when VCCIO is set to 3.3 V or 2.5 V - if you drive 5 V into a 5 V-tolerant bank, the input clamp diodes handle short transients but sustained 5 V requires VCCIO = 5 V (legacy 5 V-only mode). Always check the I/O standard matrix in the datasheet.
Compliance Information
Compliance status not explicitly stated in Verified Web Data. The N-suffixed variants (e.g., EPF10K10ATC100-3N) typically denote Pb-free finish; consult Intel / Altera legacy product compliance certificates for definitive RoHS / REACH status.
