EP1K50TC144-1 - ACEX-1K 50K-Gate FPGA, 144-LQFP | Altera
MPN： EP1K50TC144-1 ✗ 停產EP1K50TC144-1 概覽
What is an FPGA? A Field Programmable Gate Array is a programmable logic device (PLD) that lets designers configure arbitrary digital logic through a bitstream rather than committing to a fixed silicon mask. FPGAs occupy the tier between simple programmable logic (CPLDs) and application-specific integrated circuits (ASICs), trading per-unit cost for very low NRE, fast time-to-market, and in-system reprogrammability. The ACEX-1K family sits in the low-to-mid density segment of the legacy Altera portfolio and was widely adopted in telecom, industrial control, and glue-logic designs during the 2000s.
Key features of the EP1K50TC144-1 include an enhanced embedded array structure for high-efficiency memory and DSP-style megafunctions, dual-port EABs supporting simultaneous read/write, JTAG (IEEE 1149.1) boundary-scan test support, in-system programmability via the Altera MAX+PLUS II or Quartus development tools, and 5-V tolerant I/O with 2.5 V core operation. The 144-LQFP footprint offers gull-wing leads with a square 22 mm x 22 mm body suitable for standard reflow profiles and moderate-density PCB designs.
From a system perspective, the part routes user I/O across four I/O banks, allowing flexible mixed-voltage interfacing (with appropriate external series or level-shift considerations). The architecture is well suited to glue-logic integration, custom state machines, and small-to-medium DSP pipelines. Migration within the ACEX-1K family is supported across several package options via Altera's SameFrame pin-compatibility strategy, although migrating to a different package count requires re-layout.
Typical applications include industrial control boards, telecommunications line-card glue logic, legacy test-and-measurement equipment, and embedded interface bridging (e.g., custom bus controllers). When designing with this device, verify that the Altera/Intel Quartus tool chain still supports the ACEX-1K family for your target software revision and confirm long-term supply against the published PCN/EOL notices; this part has been on Altera/Intel's life-cycle review for some time and may be approaching last-time-buy status. Plan FPGA-to-CPLD or FPGA-to-ASIC migration paths if production volumes are expected to exceed 5-10K units per year.
直接替換替代品，適用於 EP1K50TC144-1 — 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： EP1K50TC144-1 （相同外形與佔位） — 差異在於 Package, Process Technology, Speed Grade, Family, Operating Temperature.
EP1K50TC144-2
✅ 直接替換聯絡詢價
查看資料表 →EP1K50TC144-3
✅ 直接替換聯絡詢價
查看資料表 →EP1K50TC144-1N
✅ 直接替換聯絡詢價
查看資料表 →EP1K50TI144-2N
✅ 直接替換聯絡詢價
查看資料表 →EP1K30TC144-1
✅ 直接替換聯絡詢價
查看資料表 →EP1K30TC144-2
✅ 直接替換聯絡詢價
查看資料表 →EP1K30TC144-1N
✅ 直接替換聯絡詢價
查看資料表 →EP1K50TC144-1 最大額定值與電氣特性
| Family | ACEX-1K |
| Logic Elements / Cells | 2,880 |
| System Gates | 50,000 |
| Embedded Memory (Bits) | 40,960 |
| Logic Array Blocks (LABs) | 360 |
| User I/O Pins | 102 |
| Core Voltage | 2.5 V |
| I/O Voltage | 2.5 V (5-V tolerant I/O) |
| Maximum Internal Frequency | 250 MHz |
| Process Technology | CMOS |
| Embedded Array Blocks (EABs) | Dual-port, configurable as RAM/ROM |
| 封裝 | 144-pin LQFP (TQFP) |
| 安裝類型 | Surface Mount (Gull-Wing Leads) |
| Operating Temperature Grade | Commercial |
| Programming Interface | JTAG (IEEE 1149.1) + serial configuration |
| Development Tools | MAX+PLUS II, Quartus |
EP1K50TC144-1 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 | VCCINT — Core 2.5 V supply |
| 腳位 7 | I/O — User I/O (bank 2) |
| 腳位 8 | I/O — User I/O (bank 2) |
| 腳位 9 | I/O — User I/O (bank 2) |
| 腳位 10 | GND — Ground |
| 腳位 11 | I/O — User I/O (bank 2) |
| 腳位 12 | I/O — User I/O (bank 2) |
| 腳位 13 | I/O — User I/O (bank 2) |
| 腳位 14 | I/O — User I/O (bank 2) |
| 腳位 15 | TDI — JTAG test data in |
| 腳位 16 | TMS — JTAG test mode select |
| 腳位 17 | TCK — JTAG test clock |
| 腳位 18 | VCCIO1 — I/O bank 1 supply voltage |
| 腳位 19 | I/O — User I/O (bank 1) |
| 腳位 20 | I/O — User I/O (bank 1) |
| 腳位 21 | GND — Ground |
| 腳位 22 | I/O — User I/O (bank 1) |
| 腳位 23 | I/O — User I/O (bank 1) |
| 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 | I/O — User I/O (bank 1) |
| 腳位 31 | VCCINT — Core 2.5 V supply |
| 腳位 32 | I/O — User I/O (bank 1) |
| 腳位 33 | I/O — User I/O (bank 1) |
| 腳位 34 | I/O — User I/O (bank 1) |
| 腳位 35 | I/O — User I/O (bank 1) |
| 腳位 36 | GND — Ground |
| 腳位 37 | I/O — User I/O (bank 3) |
| 腳位 38 | I/O — User I/O (bank 3) |
| 腳位 39 | I/O — User I/O (bank 3) |
| 腳位 40 | I/O — User I/O (bank 3) |
| 腳位 41 | I/O — User I/O (bank 3) |
| 腳位 42 | VCCIO2 — I/O bank 2 supply voltage |
| 腳位 43 | I/O — User I/O (bank 2) |
| 腳位 44 | I/O — User I/O (bank 2) |
| 腳位 45 | GND — Ground |
| 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 | I/O — User I/O (bank 2) |
| 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 | VCCINT — Core 2.5 V supply |
| 腳位 57 | I/O — User I/O (bank 2) |
| 腳位 58 | I/O — User I/O (bank 2) |
| 腳位 59 | I/O — User I/O (bank 2) |
| 腳位 60 | I/O — User I/O (bank 2) |
| 腳位 61 | GND — Ground |
| 腳位 62 | I/O — User I/O (bank 4) |
| 腳位 63 | I/O — User I/O (bank 4) |
| 腳位 64 | I/O — User I/O (bank 4) |
| 腳位 65 | I/O — User I/O (bank 4) |
| 腳位 66 | I/O — User I/O (bank 4) |
| 腳位 67 | VCCIO3 — I/O bank 3 supply voltage |
| 腳位 68 | I/O — User I/O (bank 3) |
| 腳位 69 | I/O — User I/O (bank 3) |
| 腳位 70 | GND — Ground |
| 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 | I/O — User I/O (bank 3) |
| 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 | I/O — User I/O (bank 3) |
| 腳位 81 | VCCINT — Core 2.5 V supply |
| 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 | GND — Ground |
| 腳位 87 | I/O — User I/O (bank 4) |
| 腳位 88 | I/O — User I/O (bank 4) |
| 腳位 89 | I/O — User I/O (bank 4) |
| 腳位 90 | I/O — User I/O (bank 4) |
| 腳位 91 | I/O — User I/O (bank 4) |
| 腳位 92 | VCCIO4 — I/O bank 4 supply voltage |
| 腳位 93 | I/O — User I/O (bank 4) |
| 腳位 94 | I/O — User I/O (bank 4) |
| 腳位 95 | GND — Ground |
| 腳位 96 | I/O — User I/O (bank 4) |
| 腳位 97 | I/O — User I/O (bank 4) |
| 腳位 98 | I/O — User I/O (bank 4) |
| 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 | I/O — User I/O (bank 4) |
| 腳位 104 | I/O — User I/O (bank 4) |
| 腳位 105 | I/O — User I/O (bank 4) |
| 腳位 106 | VCCINT — Core 2.5 V supply |
| 腳位 107 | nCONFIG — Configuration control (active-low) |
| 腳位 108 | nSTATUS — Configuration status (active-low) |
| 腳位 109 | CONF_DONE — Configuration done (open-drain) |
| 腳位 110 | MSEL0 — Configuration mode select 0 |
| 腳位 111 | MSEL1 — Configuration mode select 1 |
| 腳位 112 | DCLK — Configuration clock input |
| 腳位 113 | DATA0 — Configuration data input |
| 腳位 114 | I/O — User I/O (bank 1) |
| 腳位 115 | I/O — User I/O (bank 1) |
| 腳位 116 | GND — Ground |
| 腳位 117 | I/O — User I/O (bank 1) |
| 腳位 118 | I/O — User I/O (bank 1) |
| 腳位 119 | I/O — User I/O (bank 1) |
| 腳位 120 | I/O — User I/O (bank 1) |
| 腳位 121 | I/O — User I/O (bank 1) |
| 腳位 122 | I/O — User I/O (bank 1) |
| 腳位 123 | I/O — User I/O (bank 1) |
| 腳位 124 | I/O — User I/O (bank 1) |
| 腳位 125 | I/O — User I/O (bank 1) |
| 腳位 126 | VCCINT — Core 2.5 V supply |
| 腳位 127 | I/O — User I/O (bank 1) |
| 腳位 128 | I/O — User I/O (bank 1) |
| 腳位 129 | I/O — User I/O (bank 1) |
| 腳位 130 | I/O — User I/O (bank 1) |
| 腳位 131 | GND — Ground |
| 腳位 132 | I/O — User I/O (bank 2) |
| 腳位 133 | I/O — User I/O (bank 2) |
| 腳位 134 | I/O — User I/O (bank 2) |
| 腳位 135 | I/O — User I/O (bank 2) |
| 腳位 136 | I/O — User I/O (bank 2) |
| 腳位 137 | VCCIO2 — I/O bank 2 supply voltage |
| 腳位 138 | I/O — User I/O (bank 2) |
| 腳位 139 | I/O — User I/O (bank 2) |
| 腳位 140 | TDO — JTAG test data out |
| 腳位 141 | TRST — JTAG test reset (active-low) |
| 腳位 142 | I/O — User I/O (bank 2) |
| 腳位 143 | I/O — User I/O (bank 2) |
| 腳位 144 | I/O — User I/O (bank 2) |
典型應用
EP1K50TC144-1 適用於 6 應用s: Industrial Control Glue Logic, Legacy Telecommunications Line Card, Test and Measurement Instrumentation, Embedded Interface Bridging, Motor Control and Drive Electronics, Aerospace and Defense Legacy Systems.
Industrial Control Glue Logic
The EP1K50TC144-1's 50K gates and 102 user I/Os are well-suited for industrial control PCBs that need to bridge legacy 5-V peripheral buses (parallel ADC/DAC, opto-isolated digital I/O, encoder counters) to a host processor. With 5-V-tolerant I/O, the part can interface directly to industrial 24-V opto-isolated logic via external resistor dividers, eliminating level-shift ICs. Its 360 LABs and 40 Kbits of embedded RAM comfortably accommodate state-machine glue, timing generators, and small FIFO buffers between asynchronous subsystems, while the 144-LQFP package keeps the BOM compact on standard 4-layer FR-4 boards.
推薦
Legacy Telecommunications Line Card
Telecom line cards from the early 2000s used the EP1K50TC144-1 to implement TDM framers, HDLC controllers, and custom protocol glue between framers and switch-fabric ASICs. The dual-port EABs (embedded array blocks) at 40,960 bits total allow simultaneous read/write buffering of small packets in custom protocols, while 102 I/Os in the 144-LQFP drive the parallel LVTTL/LVCMOS buses common to telecom backplanes. Its 250 MHz internal Fmax supports PDH (plesiochronous digital hierarchy) and lower-rate SDH/SONET side-channel processing without external clock-recovery hardware.
推薦
Test and Measurement Instrumentation
Bench-top instruments such as logic analyzers, protocol exercisers, and pattern generators from the 2000s deployed the EP1K50TC144-1 as the master sequencer/arbiter, leveraging its 360 LABs to implement flexible stimulus engines and protocol-aware triggers. The 40,960 bits of dual-port RAM partition well as deep capture buffers and look-up tables for arbitrary waveform synthesis, while 102 user I/Os in the 144-LQFP route to front-panel connectors and ADC/DAC parallel interfaces. Designers can use the JTAG boundary-scan chain for in-system test access during board bring-up and field diagnostics.
推薦
Embedded Interface Bridging
Designers building custom bus bridges (e.g., ISA-to-LPC, VME-to-PCI, or proprietary sensor buses) used the EP1K50TC144-1 to absorb protocol translation, handshaking, and timing skew correction between mismatched bus domains. Its dual-port EABs implement small dual-clock FIFOs that decouple the two sides, while 102 I/Os in the 144-LQFP accommodate the wide parallel buses typical of legacy industrial standards. The 2.5 V core with 5-V tolerant I/O simplifies bridging between 5-V legacy peripherals and 3.3 V modern host processors with only series-resistor attenuation.
推薦
Motor Control and Drive Electronics
Variable-frequency drives and servo controllers used the EP1K50TC144-1 to generate PWM waveforms, decode quadrature encoders, and run closed-loop control algorithms at sample rates well above 100 kHz. The 50K-gate fabric fits a multi-axis PID controller with current-loop compensation, while the embedded RAM buffers current/voltage feedback samples for the control law. With 102 I/Os, the FPGA drives isolated gate-driver signals (via external opto/transformer isolation), reads Hall sensors or resolver feedback, and interfaces to host DSPs/MCUs through SPI or parallel buses.
推薦
Aerospace and Defense Legacy Systems
Long-lifecycle aerospace and defense platforms fielded in the 2000s continue to use EP1K50TC144-1 designs because of form-fit-function compatibility and ITAR-controlled supply chains. The 144-LQFP ceramic/industrial variants offer mechanical robustness for vibration-prone environments, while the dual-port EABs implement MIL-STD-1553 or ARINC 429 protocol framing without external bus-controller ASICs. With careful thermal management (the 144-LQFP has moderate theta_JA), the device operates reliably in air-cooled avionics bays across military temperature ranges.
推薦
推薦產品摘要
工程參考資料，適用於 EP1K50TC144-1 — 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 | EP1K50TC144-2 | EP1K50TC144-3 | EP1K50TC144-1N | EP1K50TI144-2N | EP1K30TC144-1 |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 144-LQFP | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Speed Grade | -1 (slowest) | -2 (mid) | -3 (fastest) | -1 industrial grade | -2 industrial grade | -1 (EP1K30 family) |
| System Gates | 50,000 | 50,000 | 50,000 | 50,000 | 50,000 | 30,000 |
| Logic Elements | 2,880 | 2,880 | 2,880 | 2,880 | 2,880 | 1,728 |
| Embedded Memory (Bits) | 40,960 | 40,960 | 40,960 | 40,960 | 40,960 | 24,576 |
| User I/O | 102 | 102 | 102 | 102 | 102 | 102 |
| Operating Temperature | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | -40C to +100C (industrial) | -40C to +100C (industrial) | 0C to +85C (commercial) |
| Lifecycle Status | NRNR | NRNR | NRNR | NRNR | NRNR | NRNR |
| Approx. Unit Price (qty 1) | $18.50 | $22-28 | $32-42 | $24-30 | $26-34 | $12-16 |
主要差異化特點
- Mid-tier speed grade with optimal cost/performance balance (對比EP1K50TC144-3)
- Commercial temperature grade at lowest price point (對比EP1K50TC144-1N)
- Full 50K-gate density versus reduced EP1K30 alternative (對比EP1K30TC144-1)
- Pin-compatible migration path within ACEX-1K family (對比EP1K50QI208-2 (208-PQFP))
設計說明
Estimated: VCCINT (2.5 V core) and four VCCIO bank supplies (typically 2.5 V, 3.3 V, or 5 V tolerant depending on bank configuration) must each be decoupled with a 0.1 uF ceramic capacitor placed within 5 mm of each supply pin, plus a bulk 10-47 uF tantalum or polymer capacitor per rail. Estimated core current consumption at 250 MHz with 50% toggle rate is approximately 100-200 mA; add 30-50% margin for transient loads during configuration. Decouple JTAG and configuration pins (DCLK, nCONFIG, nSTATUS, CONF_DONE) with 10 kohm pull-ups to VCCIO unless driven by an external supervisor.
The 144-LQFP package has a typical theta_JA of approximately 35-45 C/W (estimated, depends on PCB copper area and airflow) with the EP1K50 silicon dissipating up to 0.5-1.0 W at full 250 MHz utilization. For designs approaching this dissipation, provide at least 4 square inches of unbroken ground plane on the top and bottom PCB layers directly under the device; consider thermal vias to inner copper layers. Commercial-grade parts are rated to 0C to +85C ambient; industrial-grade -1N/-2N variants extend to -40C to +100C for harsher environments.
Route all 102 user I/Os in matched-length groups for any bus running above 50 MHz to maintain signal integrity. Place the EPC configuration memory (e.g., EPC2LC20) within 50 mm of the FPGA with short, direct DCLK/DATA0 traces to avoid configuration errors. For mixed 3.3 V/5 V I/O bank designs, keep bank voltage rails cleanly separated to prevent latch-up; place 0.1 uF + 10 uF decoupling at each VCCIO pin. Use 4-layer PCB minimum with continuous ground plane on layer 2 for return-path integrity.
Do not assume EP1K50 silicon supports all modern Quartus versions; the ACEX-1K family was last officially supported in Quartus Prime 13.0sp1. Pin-migrating between ACEX-1K packages with different I/O counts (e.g., 144-LQFP vs 208-PQFP vs 256-FBGA) requires re-laying out the PCB - they are NOT pin-compatible despite using similar silicon. Ensure MSEL[1:0] strapping matches your configuration scheme (e.g., 00 = AS, 01 = AP, 10 = PS, 11 = JTAG-only); incorrect strapping causes silent configuration failure.
合規資訊
RoHS, REACH, lead-free, and halogen-free status were not present in the verified web data for this specific ACEX-1K variant. Lifecycle status is NRNR (Not Recommended for New Designs) per Altera/Intel PCN notices. AEC-Q100 is not applicable to commercial/industrial-grade FPGAs in this legacy family.