EPF10K10ATI144-4 - FLEX 10K FPGA, 10K Gates, TQFP-144 | Altera
MPN: EPF10K10ATI144-4 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $15.9 | $159.00 |
| 100 | $12.4 | $1,240.00 |
| 500 | $9.85 | $4,925.00 |
| 1,000 | $8.2 | $8,200.00 |
EPF10K10ATI144-4 Overview
A Field-Programmable Gate Array (FPGA) is a semiconductor IC containing an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that designers configure after manufacturing. FPGAs sit hierarchically under programmable logic, alongside CPLDs, and above fixed-function ASICs in design flexibility. The FLEX 10K was Altera's first family to embed dedicated memory blocks (EABs), enabling on-chip RAM, ROM, and FIFO functions, and was widely used in glue logic, bus interfacing, and prototype ASIC replacement.
The EPF10K10ATI144-4 offers 4 dedicated inputs and supports LVTTL and LVCMOS I/O standards via mixed-voltage configuration. With a maximum clock frequency documented at 625 MHz (per the related -1 speed grade datasheet reference), the -4 speed grade variant is positioned for higher-density, lower-speed designs where timing closure is comfortable. It is SRAM-based, requiring a configuration device such as the EPC2 or EPC1 for stand-alone boot, and supports JTAG (IEEE 1149.1) boundary-scan testing.
Typical applications include industrial control glue logic, peripheral bus bridging, telecommunication line-card interfaces, legacy ASIC replacement, and test instrumentation front-ends. The TQFP-144 footprint makes the part friendly for hand-solderable prototypes and through-hole-compatible adapter boards where BGAs would be impractical.
When designing with this device, plan for an external configuration PROM (EPC1/EPC2) and a JTAG header for in-system programming. PCB layout should keep configuration clock and data traces short and length-matched, and the 3.3 V core rail must be decoupled with 0.1 µF ceramic capacitors at every supply pin cluster.
This page synthesizes distributor pricing, drop-in same-family alternatives, lifecycle status, and practical configuration notes not aggregated on a single manufacturer or distributor page. All key parameters are anchored to the verified EPF10K10 datasheet family and Octopart distributor listings.
Drop-in alternatives for EPF10K10ATI144-4 — 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 EPF10K10ATI144-4 (same form factor and footprint) — differing in Package, Process Technology, Operating Temperature, RoHS Status, Speed Grade.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF10K10ATI144-3
✅ Drop-In📋 Reference alternative (not in catalog)
EPF10K10ATI144-2
✅ Drop-In📋 Reference alternative (not in catalog)
EPF10K10ATI144-1
✅ Drop-In📋 Reference alternative (not in catalog)
EPF10K10ATC144-3N
✅ Drop-In✓ In Stock
$24.75 / Unit
View Datasheet →EPF10K10TC144-4N
✅ Drop-In✓ In Stock
$15.5 / Unit
View Datasheet →EPF10K10ATI144-4 Maximum Ratings & Electrical Characteristics
| Series | FLEX 10K |
| Family | Embedded Programmable Logic Device |
| Logic Elements / Blocks | 576 |
| Usable Gates | 10,000 (typical) |
| Flip-Flops | 6,144 |
| Embedded Array Blocks (EABs) | 72 |
| Total RAM Bits | 24,576 bits |
| User I/O Pins | 102 |
| Dedicated Inputs | 4 |
| Package | 144-TQFP (Low-Profile Fine Pitch, 0.5 mm pitch) |
| Supply Voltage (VCCINT) | 3.0 V to 3.6 V (nominal 3.3 V) |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Speed Grade | -4 (slower than -1/-2/-3) |
| Process Technology | CMOS, SRAM-based configuration |
| Configuration Method | Serial/Passive Parallel, JTAG, EPC1/EPC2 PROM |
| Mounting Type | Surface Mount |
| RoHS Status | Non-compliant (legacy FLEX 10K) |
EPF10K10ATI144-4 Pin Configuration
| Pin 1 | I/O — User I/O pin (bank-dependent) |
| 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 | I/O — User I/O pin |
| Pin 8 | I/O — User I/O pin |
| Pin 9 | I/O — User I/O pin |
| Pin 10 | I/O — User I/O pin |
| Pin 11 | I/O — User I/O pin |
| Pin 12 | GND — Ground |
| 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 | I/O — User I/O pin |
| 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 | GND — Ground |
| Pin 24 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| Pin 33 | I/O — User I/O pin |
| Pin 34 | GND — Ground |
| 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 | I/O — User I/O pin |
| 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 | GND — Ground |
| 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 | I/O — User I/O pin |
| 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 | GND — Ground |
| Pin 57 | I/O — User I/O pin |
| 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 | I/O — User I/O pin |
| Pin 65 | I/O — User I/O pin |
| Pin 66 | I/O — User I/O pin |
| Pin 67 | GND — Ground |
| 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 | I/O — User I/O pin |
| Pin 73 | I/O — User I/O pin |
| Pin 74 | I/O — User I/O pin |
| Pin 75 | I/O — User I/O pin |
| Pin 76 | I/O — User I/O pin |
| Pin 77 | I/O — User I/O pin |
| Pin 78 | GND — Ground |
| Pin 79 | I/O — User I/O pin |
| Pin 80 | I/O — User I/O pin |
| Pin 81 | I/O — User I/O pin |
| Pin 82 | I/O — User I/O pin |
| Pin 83 | I/O — User I/O pin |
| 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 | GND — Ground |
| 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 | I/O — User I/O pin |
| 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 | GND — Ground |
| Pin 101 | I/O — User I/O pin |
| Pin 102 | I/O — User I/O pin |
| Pin 103 | I/O — User I/O pin |
| Pin 104 | I/O — User I/O pin |
| Pin 105 | I/O — User I/O pin |
| Pin 106 | I/O — User I/O pin |
| Pin 107 | I/O — User I/O pin |
| Pin 108 | I/O — User I/O pin |
| Pin 109 | I/O — User I/O pin |
| Pin 110 | I/O — User I/O pin |
| Pin 111 | GND — Ground |
| Pin 112 | I/O — User I/O pin |
| Pin 113 | I/O — User I/O pin |
| Pin 114 | I/O — User I/O pin |
| Pin 115 | I/O — User I/O pin |
| Pin 116 | I/O — User I/O pin |
| Pin 117 | I/O — User I/O pin |
| Pin 118 | I/O — User I/O pin |
| Pin 119 | I/O — User I/O pin |
| Pin 120 | I/O — User I/O pin |
| Pin 121 | I/O — User I/O pin |
| Pin 122 | GND — Ground |
| Pin 123 | I/O — User I/O pin |
| Pin 124 | I/O — User I/O pin |
| Pin 125 | I/O — User I/O pin |
| Pin 126 | I/O — User I/O pin |
| Pin 127 | I/O — User I/O pin |
| Pin 128 | I/O — User I/O pin |
| Pin 129 | I/O — User I/O pin |
| Pin 130 | I/O — User I/O pin |
| Pin 131 | I/O — User I/O pin |
| Pin 132 | I/O — User I/O pin |
| Pin 133 | GND — Ground |
| Pin 134 | DCLK — Configuration clock (dedicated input) |
| Pin 135 | DATA — Configuration data (dedicated input) |
| Pin 136 | nCONFIG — Configuration control (dedicated input, active-low) |
| Pin 137 | nSTATUS — Configuration status (dedicated output, active-low) |
| Pin 138 | CONF_DONE — Configuration done (dedicated output, open-drain) |
| Pin 139 | VCC — Core supply (3.3 V) |
| Pin 140 | VCC — Core supply (3.3 V) |
| Pin 141 | TMS — JTAG test mode select (dedicated input) |
| Pin 142 | TCK — JTAG test clock (dedicated input) |
| Pin 143 | TDO — JTAG test data out (dedicated output) |
| Pin 144 | TDI — JTAG test data in (dedicated input) |
Typical Applications
EPF10K10ATI144-4 is suitable for 6 applications: Industrial Glue Logic Replacement, Legacy ASIC Replacement Prototype, Telecommunication Line-Card Interface, Peripheral Bus Bridge, Test and Measurement Front-End, Automotive Prototype Body Electronics.
Industrial Glue Logic Replacement
The EPF10K10ATI144-4 is well suited as a multi-function glue-logic replacement in industrial controllers, replacing several discrete 74-series TTL/CMOS parts with a single reprogrammable device. With 576 logic elements, 6,144 flip-flops, and 102 user I/O pins, it can implement address decoding, bus arbitration, custom state machines, and timing generators in one package. The 3.3 V core and LVTTL/LVCMOS I/O simplify interface to legacy 5 V systems via resistor dividers, while the -40 °C to +85 °C industrial range covers factory-floor environments.
Recommended
Legacy ASIC Replacement Prototype
The EPF10K10ATI144-4 is widely used as a prototype ASIC substitute during design verification of legacy TTL-based systems. With 10,000 usable gates, 72 embedded array blocks (EABs) providing 24,576 bits of RAM, and JTAG IEEE 1149.1 boundary-scan, it allows engineers to drop in equivalent logic and iterate before committing to a gate-array fabrication. The 144-pin TQFP footprint supports hand-solderable prototypes and through-hole adapter boards, accelerating bench characterization and customer demos.
Recommended
Telecommunication Line-Card Interface
The EPF10K10ATI144-4 fits telecom line-card interface designs where bus bridging between legacy TDM buses, E1/T1 framers, and processor buses is required. Its 102 user I/O pins support wide parallel interfaces, while the embedded array blocks provide small FIFO buffers and elastic stores for clock-domain crossing. With LVTTL/LVCMOS I/O at 3.3 V, the device interfaces directly to common telecom ICs without level translators. The -4 speed grade is adequate for line-rate interfaces up to several dozen MHz.
Recommended
Peripheral Bus Bridge
The EPF10K10ATI144-4 works as a flexible peripheral bus bridge between microprocessors and legacy parallel peripherals such as ISA, PC/104, or custom backplanes. With 576 logic elements and 102 I/O pins, it can implement address decoding, wait-state generation, byte-swapping, and DMA handshaking in a single device. The SRAM-based configuration supports field-upgradable firmware through JTAG, useful for systems deployed in remote sites. The 3.3 V core with mixed-voltage I/O eases integration into 5 V legacy buses.
Recommended
Test and Measurement Front-End
The EPF10K10ATI144-4 serves as a reconfigurable front-end in test and measurement equipment, where pattern generation, custom timing, and signal conditioning change per DUT. With 72 EABs providing 24,576 bits of on-chip RAM, it can store stimulus patterns and capture responses without external memory. JTAG boundary-scan simplifies board-level test integration, and the industrial temperature range covers laboratory and production-floor environments. The -4 speed grade is comfortable for sub-100 MHz test patterns.
Recommended
Automotive Prototype Body Electronics
Although the EPF10K10ATI144-4 is not AEC-Q100 qualified, it is suitable for non-safety automotive prototype development of body-electronics modules where engineers evaluate custom logic before ASIC spin. With 102 I/O pins and 3.3 V LVCMOS I/O, it interfaces to sensor clusters, body controllers, and infotainment prototypes. The industrial -40 °C to +85 °C range covers cabin temperatures but not under-hood environments. Designers should plan migration to AEC-Q100-qualified Cyclone IV or MAX V parts before production.
Recommended
Recommended Products Summary
Engineering reference data for EPF10K10ATI144-4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF10K10ATI144-3 | EPF10K10ATI144-2 | EPF10K10ATI144-1 | EPF10K10ATC144-3N | EPF10K10TC144-4N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 144-TQFP | 144-TQFP (same) | 144-TQFP (same) | 144-TQFP (same) | 144-TQFP (same) | 144-TQFP (same) |
| Speed Grade | -4 (slowest) | -3 (~25% faster) | -2 (~50% faster) | -1 (fastest, up to 625 MHz) | -3 (faster) | -4 (same speed grade) |
| Temperature Range | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | 0 °C to +70 °C (Commercial) | 0 °C to +70 °C (Commercial) |
| Logic Elements | 576 | 576 | 576 | 576 | 576 | 576 |
| User I/O Pins | 102 | 102 | 102 | 102 | 102 | 102 |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Lead Finish | Pb-bearing (SnPb) | Pb-bearing (SnPb) | Pb-bearing (SnPb) | Pb-bearing (SnPb) | Lead-free (matte Sn) | Lead-free (matte Sn) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Slowest speed grade in same-family same-footprint family (vs EPF10K10ATI144-3)
- Industrial temperature range with Pb-bearing finish (vs EPF10K10ATC144-3N)
- 102 user I/O in 0.5 mm-pitch TQFP for hand-solderable prototypes (vs EPF10K10AQC208-3 (PQFP-208))
Design Notes
The EPF10K10ATI144-4 requires a clean 3.3 V core supply with high-frequency decoupling. Place 0.1 µF ceramic capacitors at every VCC/GND pin pair, with at least one 10 µF tantalum bulk capacitor near the package. Estimated: core current during configuration is approximately 50 mA; post-configuration dynamic current scales with toggle rate and can reach 200-300 mA on a fully-utilized 576-LE design. Always ramp VCC monotonically and hold nCONFIG low until the 3.3 V rail is stable.
Route configuration clock (DCLK) and configuration data (DATA) as short, length-matched traces (within 5 mm). Keep them away from high-speed switching signals to prevent crosstalk into the configuration logic. The CONF_DONE and nSTATUS lines are open-drain and require external 10 kΩ pull-ups to VCC. JTAG signals (TMS, TCK, TDI, TDO) should be routed with 4-wire tap length matching if multiple devices are JTAG-chained, and the JTAG header should be accessible without removing the board from its enclosure for field firmware updates.
Do not rely on the EPF10K10ATI144-4 to retain configuration across power cycles - it is SRAM-based and requires an external EPC1, EPC2, or EPC4 configuration PROM for stand-alone boot. Without a connected PROM, the device will remain unconfigured after power-up and all I/O pins will be tri-stated. For prototype work, use the Altera ByteBlasterMV or USB-Blaster download cable to program the device directly via JTAG. Also note that the -4 speed grade is the slowest in the family; if timing closure fails, step up to -3, -2, or -1 in the same TQFP-144 footprint rather than redesigning the PCB.
Compliance Information
FLEX 10K family uses Pb-bearing (SnPb) lead finish - RoHS non-compliant. Not AEC-Q100 qualified; not recommended for new automotive safety designs. Reach compliance per Altera legacy product statement. For RoHS-compliant drop-in, use the lead-free -3N or -4N variants.
