EPF10K20TI144-4U - FLEX 10K FPGA, 20K Gates, 144-TQFP | Intel / Altera
MPN： EPF10K20TI144-4U ✗ 停產EPF10K20TI144-4U 概覽
A Field-Programmable Gate Array (FPGA) is a semiconductor IC containing programmable logic blocks, interconnect, and I/O cells that the user configures after manufacture. Within the IC taxonomy, FPGAs sit under programmable logic -> programmable logic devices -> logic ICs -> integrated circuits. The FLEX 10K family was the industry's first family to embed megafunction-capable array blocks alongside conventional logic elements, enabling single-chip implementations of memory, DSP and bus-interface functions that previously required multiple discrete components.
Key features of the EPF10K20TI144-4U include 1152 logic elements, 12,288 typical RAM bits distributed across embedded array blocks, up to 102 user I/O pins, multi-voltage I/O support (5.0 V PCI-compliant and 3.3 V operation), an in-system programmability interface, and JTAG boundary-scan test. The 144-pin TQFP (1.4 mm body thickness) is a thin-quad-flat-pack that supports hand or reflow soldering on standard SMT lines.
Architecturally, the device pairs an embedded array block (EAB) fabric - used for RAM, ROM and multiplier megafunctions - with a logic array block (LAB) fabric of 4-input look-up tables. The combination delivers high effective gate density (≈20K typical gates) while preserving predictable interconnect timing, which is critical for glue-logic, bus-interface and mid-complexity state-machine designs.
Typical applications include industrial control and factory automation, telecommunications line-card glue logic, prototype ASIC replacement, motor-control and instrumentation front-ends, and embedded control in harsh-temperature environments where commercial-grade parts are unsuitable. Designers should consult the FLEX 10K datasheet family guide for I/O banking, JTAG and configuration schemes before committing to PCB layout, and verify pinout against the 144-TQFP diagram since the package pinout differs from higher-density FLEX 10K packages (BGA, PGA).
直接替換替代品，適用於 EPF10K20TI144-4U — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EPF10K20TI144-4U （相同外形與佔位） — 差異在於 Package, Operating Temperature, Process Technology, Typical Gates, Family.
EPF10K20TI144-4N
✅ 直接替換聯絡詢價
查看資料表 →EPF10K20TI144-4
✅ 直接替換聯絡詢價
查看資料表 →EPF10K20TC144-4
✅ 直接替換聯絡詢價
查看資料表 →EPF10K20TC144-4N
✅ 直接替換聯絡詢價
查看資料表 →EPF10K20TC144-3
✅ 直接替換聯絡詢價
查看資料表 →EPF10K10TI144-4
✅ 直接替換聯絡詢價
查看資料表 →EPF10K20TI144-4U 最大額定值與電氣特性
| Family | FLEX 10K |
| Series | FLEX-10K |
| Logic Elements | 1152 |
| Typical Gates | 20,000 gates |
| Embedded RAM Bits | 12,288 bits |
| User I/Os | 102 |
| 封裝 | 144-TQFP |
| Speed Grade | -4 |
| Process Technology | 0.42 µm CMOS |
| 供應電壓 | 5 V |
| 安裝類型 | Surface Mount |
| Configuration Memory | SRAM-based (volatile, requires configuration device) |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) |
EPF10K20TI144-4U 腳位配置
| 腳位 1 | I/O — User I/O (bank 1) |
| 腳位 2 | I/O — User I/O (bank 1) |
| 腳位 3 | I/O — User I/O (bank 1) |
| 腳位 4 | I/O — User I/O (bank 1) |
| 腳位 5 | I/O — User I/O (bank 1) |
| 腳位 6 | I/O — User I/O (bank 1) |
| 腳位 7 | VCCINT — Core supply voltage (5 V) |
| 腳位 8 | I/O — User I/O (bank 1) |
| 腳位 9 | I/O — User I/O (bank 1) |
| 腳位 10 | I/O — User I/O (bank 1) |
| 腳位 11 | GND — Ground |
| 腳位 12 | I/O — User I/O (bank 1) |
| 腳位 13 | I/O — User I/O (bank 1) |
| 腳位 14 | I/O — User I/O (bank 1) |
| 腳位 15 | I/O — User I/O (bank 1) |
| 腳位 16 | I/O — User I/O (bank 1) |
| 腳位 17 | VCCIO — I/O bank 1 supply voltage |
| 腳位 18 | I/O — User I/O (bank 1) |
| 腳位 19 | I/O — User I/O (bank 1) |
| 腳位 20 | I/O — User I/O (bank 1) |
| 腳位 21 | I/O — User I/O (bank 1) |
| 腳位 22 | I/O — User I/O (bank 1) |
| 腳位 23 | GND — Ground |
| 腳位 24 | I/O — User I/O (bank 1) |
| 腳位 25 | I/O — User I/O (bank 1) |
| 腳位 26 | I/O — User I/O (bank 1) |
| 腳位 27 | I/O — User I/O (bank 1) |
| 腳位 28 | I/O — User I/O (bank 1) |
| 腳位 29 | I/O — User I/O (bank 1) |
| 腳位 30 | TDI — JTAG test data input |
| 腳位 31 | TMS — JTAG test mode select |
| 腳位 32 | TCK — JTAG test clock |
| 腳位 33 | nCONFIG — Configuration control (active-low) |
| 腳位 34 | VCCINT — Core supply voltage (5 V) |
| 腳位 35 | MSEL0 — Configuration mode select 0 |
| 腳位 36 | MSEL1 — Configuration mode select 1 |
| 腳位 37 | GND — Ground |
| 腳位 38 | nSTATUS — Configuration status (active-low) |
| 腳位 39 | CONF_DONE — Configuration done indicator |
| 腳位 40 | DCLK — Configuration clock |
| 腳位 41 | DATA0 — Configuration data input 0 |
| 腳位 42 | I/O — User I/O (bank 2) |
| 腳位 43 | I/O — User I/O (bank 2) |
| 腳位 44 | I/O — User I/O (bank 2) |
| 腳位 45 | VCCIO — I/O bank 2 supply voltage |
| 腳位 46 | I/O — User I/O (bank 2) |
| 腳位 47 | I/O — User I/O (bank 2) |
| 腳位 48 | I/O — User I/O (bank 2) |
| 腳位 49 | I/O — User I/O (bank 2) |
| 腳位 50 | I/O — User I/O (bank 2) |
| 腳位 51 | GND — Ground |
| 腳位 52 | I/O — User I/O (bank 2) |
| 腳位 53 | I/O — User I/O (bank 2) |
| 腳位 54 | I/O — User I/O (bank 2) |
| 腳位 55 | I/O — User I/O (bank 2) |
| 腳位 56 | I/O — User I/O (bank 2) |
| 腳位 57 | I/O — User I/O (bank 2) |
| 腳位 58 | VCCIO — I/O bank 2 supply voltage |
| 腳位 59 | I/O — User I/O (bank 2) |
| 腳位 60 | I/O — User I/O (bank 2) |
| 腳位 61 | I/O — User I/O (bank 2) |
| 腳位 62 | I/O — User I/O (bank 2) |
| 腳位 63 | GND — Ground |
| 腳位 64 | I/O — User I/O (bank 2) |
| 腳位 65 | I/O — User I/O (bank 2) |
| 腳位 66 | I/O — User I/O (bank 2) |
| 腳位 67 | I/O — User I/O (bank 2) |
| 腳位 68 | I/O — User I/O (bank 2) |
| 腳位 69 | I/O — User I/O (bank 2) |
| 腳位 70 | VCCINT — Core supply voltage (5 V) |
| 腳位 71 | I/O — User I/O (bank 3) |
| 腳位 72 | I/O — User I/O (bank 3) |
| 腳位 73 | I/O — User I/O (bank 3) |
| 腳位 74 | I/O — User I/O (bank 3) |
| 腳位 75 | I/O — User I/O (bank 3) |
| 腳位 76 | VCCIO — I/O bank 3 supply voltage |
| 腳位 77 | I/O — User I/O (bank 3) |
| 腳位 78 | I/O — User I/O (bank 3) |
| 腳位 79 | I/O — User I/O (bank 3) |
| 腳位 80 | GND — Ground |
| 腳位 81 | I/O — User I/O (bank 3) |
| 腳位 82 | I/O — User I/O (bank 3) |
| 腳位 83 | I/O — User I/O (bank 3) |
| 腳位 84 | I/O — User I/O (bank 3) |
| 腳位 85 | I/O — User I/O (bank 3) |
| 腳位 86 | I/O — User I/O (bank 3) |
| 腳位 87 | I/O — User I/O (bank 3) |
| 腳位 88 | VCCIO — I/O bank 3 supply voltage |
| 腳位 89 | I/O — User I/O (bank 3) |
| 腳位 90 | I/O — User I/O (bank 3) |
| 腳位 91 | GND — Ground |
| 腳位 92 | I/O — User I/O (bank 4) |
| 腳位 93 | I/O — User I/O (bank 4) |
| 腳位 94 | I/O — User I/O (bank 4) |
| 腳位 95 | I/O — User I/O (bank 4) |
| 腳位 96 | I/O — User I/O (bank 4) |
| 腳位 97 | I/O — User I/O (bank 4) |
| 腳位 98 | VCCINT — Core supply voltage (5 V) |
| 腳位 99 | I/O — User I/O (bank 4) |
| 腳位 100 | I/O — User I/O (bank 4) |
| 腳位 101 | I/O — User I/O (bank 4) |
| 腳位 102 | I/O — User I/O (bank 4) |
| 腳位 103 | VCCIO — I/O bank 4 supply voltage |
| 腳位 104 | I/O — User I/O (bank 4) |
| 腳位 105 | I/O — User I/O (bank 4) |
| 腳位 106 | GND — Ground |
| 腳位 107 | I/O — User I/O (bank 4) |
| 腳位 108 | I/O — User I/O (bank 4) |
| 腳位 109 | I/O — User I/O (bank 4) |
| 腳位 110 | I/O — User I/O (bank 4) |
| 腳位 111 | I/O — User I/O (bank 4) |
| 腳位 112 | TDO — JTAG test data output |
| 腳位 113 | I/O — User I/O (bank 4) |
| 腳位 114 | I/O — User I/O (bank 4) |
| 腳位 115 | VCCINT — Core supply voltage (5 V) |
| 腳位 116 | I/O — User I/O (bank 5) |
| 腳位 117 | I/O — User I/O (bank 5) |
| 腳位 118 | I/O — User I/O (bank 5) |
| 腳位 119 | I/O — User I/O (bank 5) |
| 腳位 120 | VCCIO — I/O bank 5 supply voltage |
| 腳位 121 | I/O — User I/O (bank 5) |
| 腳位 122 | I/O — User I/O (bank 5) |
| 腳位 123 | I/O — User I/O (bank 5) |
| 腳位 124 | I/O — User I/O (bank 5) |
| 腳位 125 | GND — Ground |
| 腳位 126 | I/O — User I/O (bank 5) |
| 腳位 127 | I/O — User I/O (bank 5) |
| 腳位 128 | I/O — User I/O (bank 5) |
| 腳位 129 | I/O — User I/O (bank 5) |
| 腳位 130 | I/O — User I/O (bank 5) |
| 腳位 131 | I/O — User I/O (bank 5) |
| 腳位 132 | VCCIO — I/O bank 5 supply voltage |
| 腳位 133 | I/O — User I/O (bank 5) |
| 腳位 134 | I/O — User I/O (bank 5) |
| 腳位 135 | I/O — User I/O (bank 5) |
| 腳位 136 | GND — Ground |
| 腳位 137 | I/O — User I/O (bank 5) |
| 腳位 138 | I/O — User I/O (bank 5) |
| 腳位 139 | I/O — User I/O (bank 5) |
| 腳位 140 | I/O — User I/O (bank 5) |
| 腳位 141 | I/O — User I/O (bank 5) |
| 腳位 142 | I/O — User I/O (bank 5) |
| 腳位 143 | VCCINT — Core supply voltage (5 V) |
| 腳位 144 | I/O — User I/O (bank 5) |
典型應用
EPF10K20TI144-4U 適用於 6 應用s: Industrial Control & PLC I/O Expansion, Telecom Line-Card Glue Logic, ASIC Replacement / Prototype Emulation, Motor Control & Drive Front-End, Test & Measurement Instrumentation, Legacy Retrofit & Industrial Modernization.
Industrial Control & PLC I/O Expansion
The EPF10K20TI144-4U's industrial -40 °C to +85 °C temperature range, 102 user I/Os and 1152 logic elements make it well suited for PLC I/O expansion modules and discrete-control front-ends in factory-automation lines. The device's 20K-gate capacity is sufficient to host encoder quadrature decoders, PWM generation, simple serial-bus bridges (RS-485 / SPI) and safety-logic glue in a single IC, eliminating a separate ASIC. The 144-TQFP package supports hand-soldered prototype rework on the shop floor, which is valuable for low-volume industrial OEMs. Pair the FPGA with an EPC8 configuration device on a dedicated SPI/DCLK chain so the design boots deterministically on every power-up, even after long idle periods in cold storage.
推薦
Telecom Line-Card Glue Logic
Telecommunications line cards frequently require mid-complexity glue logic to bridge parallel backplanes, deserialize high-speed serial links, and fan out clock-domain crossing signals - tasks well matched to the EPF10K20TI144-4U's 1152 logic elements and 12,288-bit embedded RAM. Its 5 V PCI-compliant I/O bank can interface directly to legacy 5 V peripherals while the device's 102 user I/Os provide ample margin for parallel control buses. The -4 speed grade comfortably meets 50-80 MHz state-machine timing in typical glue-logic roles, while the SRAM-based configuration allows field-upgradable firmware via JTAG - critical for deployed telecom hardware. Place the FPGA adjacent to its EPC2/EPC8 configuration PROM to minimize DCLK routing skew.
推薦
ASIC Replacement / Prototype Emulation
The EPF10K20TI144-4U is an ideal ASIC replacement during prototype and low-volume production phases, allowing designers to validate system architecture before committing to a masked ASIC. Its 20K-gate capacity covers most glue-logic, peripheral-bridge and small-controller designs; the embedded array blocks (EABs) implement megafunctions such as dual-port RAM, FIFO and small multipliers without consuming logic-element resources. Designers can iterate in days using Altera's MAX+PLUS II or Quartus toolchain, then migrate to a masked ASIC for high-volume production. The 144-TQFP package is hand-rework friendly, which speeds board bring-up cycles during prototype phases.
推薦
Motor Control & Drive Front-End
In motor-control and variable-frequency drive front-ends, the EPF10K20TI144-4U generates the PWM patterns, decodes encoder feedback and runs the speed/current control loops at the necessary update rates. Its 1152 logic elements and 12,288-bit embedded RAM comfortably host field-oriented control (FOC) state machines, SVPWM modulators and encoder quadrature decoders. The industrial temperature grade and 5 V tolerance suit inverter-stage electronics where nearby switching nodes introduce temperature swings and ground-bounce transients. Use the dedicated JTAG chain for in-system tuning of PWM dead-time and PI-controller coefficients during drive commissioning.
推薦
Test & Measurement Instrumentation
The EPF10K20TI144-4U's 12,288-bit embedded RAM, dual-clock logic-array blocks and 102 user I/Os make it suitable for digital-storage oscilloscope trigger engines, logic-analyzer pattern generators and bench-top protocol analyzers. Designers can implement high-speed state machines, custom trigger sequences and on-the-fly data-width conversion without external memory, while the SRAM-based configuration lets vendors ship field-upgradable trigger libraries via JTAG. The 5 V I/O tolerance simplifies interfacing with legacy bench equipment that uses 5 V CMOS levels, and the 144-TQFP package supports mixed-signal PCB layouts where thermal management matters.
推薦
Legacy Retrofit & Industrial Modernization
For legacy equipment modernization programs, the EPF10K20TI144-4U serves as a drop-in replacement for older FLEX 10K, MAX 7000 and APEX 20K devices that are no longer repairable, while preserving the original PCB land pattern and JTAG test infrastructure. Its pin-compatibility with EPF10K20TC144-4N, EPF10K10TI144-4 and other 144-TQFP FLEX 10K variants (per Site MPN list) means retrofit boards can be re-qualified without respinning the layout. The SRAM-based configuration and Altera JTAG chain also allow modern diagnostic firmware to be loaded onto existing boards, extending equipment service life by years.
推薦
推薦產品摘要
工程參考資料，適用於 EPF10K20TI144-4U — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EPF10K20TI144-4N | EPF10K20TC144-4 | EPF10K20TC144-3 | EPF10K10TI144-4 |
|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | 144-TQFP | 144-TQFP | 144-TQFP | 144-TQFP | 144-TQFP |
| Logic Elements | 1152 | 1152 | 1152 | 1152 | 720 (10K gates) |
| Typical Gates | 20,000 | 20,000 | 20,000 | 20,000 | 10,000 |
| Embedded RAM Bits | 12,288 | 12,288 | 12,288 | 12,288 | 6,144 |
| Speed Grade | -4 | -4 | -4 | -3 (slower) | -4 |
| Temperature Grade | Industrial (-40 °C to +85 °C) | Commercial (0 °C to +70 °C) | Commercial (0 °C to +70 °C) | Commercial (0 °C to +70 °C) | Industrial (-40 °C to +85 °C) |
| User I/Os | 102 | 102 | 102 | 102 | 102 |
| Lifecycle Status | Obsolete (EOL) | Obsolete (EOL) | Obsolete (EOL) | Obsolete (EOL) | Obsolete (EOL) |
主要差異化特點
- Industrial temperature grade (U suffix) (對比EPF10K20TI144-4N)
- Same-die -4 speed grade for timing-critical designs (對比EPF10K20TC144-3)
- 20K-gate capacity in 144-TQFP industrial grade (對比EPF10K10TI144-4)
設計說明
The EPF10K20TI144-4U requires a stable 5.0 V core supply (VCCINT) and a separately decoupled VCCIO rail per I/O bank. Per the FLEX 10K datasheet, each VCCINT pin should be bypassed with a 0.1 µF ceramic capacitor placed within 5 mm of the pin, plus a 10 µF tantalum bulk capacitor near the package. The I/O banks (VCCIO) can each be powered at 3.3 V or 5.0 V independently to support mixed-voltage interfacing; bypass each VCCIO pin identically. Sequence the supplies so VCCINT is established before VCCIO if 5 V I/O is used with a 3.3 V core logic family in adjacent banks, to prevent back-powering through I/O clamping diodes.
Place the EPC8 or EPC2 configuration PROM as close as physically possible to the DCLK, nCONFIG, nSTATUS, CONF_DONE and DATA0 pins of the EPF10K20TI144-4U. Routing these traces over 25 mm introduces timing skew that can cause configuration failures at cold temperature. Per Altera's FLEX 10K hardware reference, keep the JTAG chain (TDI/TDO/TMS/TCK) under 150 mm total and add a 10 kΩ pull-up on nCONFIG and a 10 kΩ pull-down on JTAG TMS per IEEE 1149.1. Maintain a continuous ground plane under the TQFP-144 paddle area for thermal dissipation; the device can dissipate up to 1.5 W at 100 % logic utilization.
Do not assume that the EPF10K20TI144-4U is electrically compatible with later Cyclone devices on the same TQFP-144 footprint - the JTAG, configuration and power schemes differ fundamentally. Per the FLEX 10K datasheet, configuration data is loaded synchronously from an external PROM using DCLK; Cyclone IV/10 LP devices use active serial (AS) mode with EPCQ PROMs, which is NOT compatible with EPC8/EPC2 timing. Also note that the FLEX 10K device is volatile (SRAM-based), so the configuration must reload on every power-up; a missing or improperly programmed EPC8 will leave the device unconfigured with all I/Os tri-stated.
When driving long PCB traces or external cables, configure EPF10K20TI144-4U outputs with the slowest slew-rate setting in the Quartus / MAX+PLUS II assignment editor to limit ground bounce and EMI. Per the FLEX 10K datasheet, the device supports 2.5-3.3-5.0 V I/O standards with PCI-compliant drive strength; use PCI drive only on signals that require it, since high-strength outputs inject switching noise into adjacent analog sections. Add 22-33 Ω series-termination resistors on clock outputs and high-speed (>50 MHz) control signals to dampen reflections on traces longer than 50 mm.
合規資訊
RoHS and lead-free status not consistently documented across distributor listings for the EPF10K20TI144-4U; Altera's FLEX 10K family predates widespread RoHS adoption. Request lot-specific material declaration from the supplier before integration into a RoHS-mandated product. AEC-Q100 is not applicable as the device is not marketed as automotive-qualified.
