EPM1270T144C3N - MAX II 1270 LE CPLD, 144-pin TQFP | Intel
MPN: EPM1270T144C3N ✓ Hoạt độngEPM1270T144C3N Tóm tắt
A Complex Programmable Logic Device (CPLD) is a non-volatile digital IC that implements combinatorial and sequential logic using a macrocell-based architecture with a centralized interconnect. CPLDs sit below FPGAs in the programmable logic hierarchy (CPLD -> PLD -> programmable logic -> digital IC), offering deterministic timing, instant-on configuration, and high drive strength ideal for glue logic, bus bridging, and power-up sequencing.
Key features include 1270 logic elements (LEs), 980 equivalent macrocells, 8 Kbits of user Flash memory (UFM), 212 maximum user I/O pins, and MultiVolt I/O support for 1.5 V, 1.8 V, 2.5 V, 3.3 V interfaces. The device supports in-system programmability via IEEE 1149.1 JTAG and IEEE 1532, and offers 4-input look-up tables (LUTs) per logic element.
Architecturally, the EPM1270 uses a classic MAX II LAB (Logic Array Block) structure with 16 macrocells per LAB, fast propagation delays (~3.6 ns pin-to-pin at -3 speed grade), and low standby current (~29 mA typical). The on-chip UFM supports up to 8 Kbits of non-volatile user storage, eliminating the need for external EEPROM for parameter storage.
Typical applications include bus-interface bridging (e.g., 8/16/32-bit MCU-to-peripheral glue logic), power-up sequencing for FPGAs/ASICs, LED control and display driving, I/O expansion for microcontrollers, and replacement of multiple discrete 74-series logic gates. The wide MultiVolt I/O makes it ideal for mixed-voltage system designs.
When designing with this device, evaluate total I/O count against the 212-pin maximum, and derate by at least 10% for routing flexibility. Always use the Quartus II or Intel Quartus Prime design software (free Web Edition) for synthesis, fitting, and JTAG programming. The T144 suffix denotes the 144-pin TQFP package; alternate package options (100-pin TQFP, 256-pin FineLine BGA) are available in the same EPM1270 die family.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing engineers with a single reference for sourcing, replacement, and application guidance.
Bộ thay thế dễ dàng lắp đặt cho EPM1270T144C3N — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPM1270T144C3N (cùng hình factor và footprint) — khác nhau ở Package, Programming Interface, Configuration Memory, Operating Temperature, Speed Grade.
EPM1270T144A5N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM1270T144C3
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EPM1270T144C4N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM1270T144C5N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPM1270T144I5N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPM1270T144C3N Tỷ lệ tối đa & tính chất điện
| Device Family | MAX II |
| Logic Elements (LEs) | 1270 |
| Equivalent Macrocells | 980 |
| User Flash Memory (UFM) | 8 Kbits |
| Maximum User I/O | 212 |
| Operating Voltage (VCCINT) | 1.8 V |
| I/O Voltage (VCCIO) | 1.5 V / 1.8 V / 2.5 V / 3.3 V |
| Speed Grade | C3 (commercial, -3) |
| Hộp | 144-pin TQFP (T144) |
| Nhiệt độ hoạt động | 0C to +85C (commercial) |
| Configuration Memory | Internal Flash (non-volatile, instant-on) |
| Programming Interface | JTAG (IEEE 1149.1) / IEEE 1532 |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| LE Family | MAX II (low-power, non-volatile) |
Cấu hình chân EPM1270T144C3N
| Chân 1 | I/O — User I/O (bank 1) |
| Chân 2 | I/O — User I/O (bank 1) |
| Chân 3 | I/O — User I/O (bank 1) |
| Chân 4 | I/O — User I/O (bank 1) |
| Chân 5 | VCCIO1 — I/O bank 1 supply voltage |
| Chân 6 | I/O — User I/O (bank 1) |
| Chân 7 | I/O — User I/O (bank 1) |
| Chân 8 | I/O — User I/O (bank 1) |
| Chân 9 | I/O — User I/O (bank 1) |
| Chân 10 | GND — Ground |
| Chân 11 | I/O — User I/O (bank 2) |
| Chân 12 | I/O — User I/O (bank 2) |
| Chân 13 | I/O — User I/O (bank 2) |
| Chân 14 | I/O — User I/O (bank 2) |
| Chân 15 | VCCIO2 — I/O bank 2 supply voltage |
| Chân 16 | I/O — User I/O (bank 2) |
| Chân 17 | I/O — User I/O (bank 2) |
| Chân 18 | I/O — User I/O (bank 2) |
| Chân 19 | I/O — User I/O (bank 2) |
| Chân 20 | GND — Ground |
| Chân 21 | I/O — User I/O (bank 3) |
| Chân 22 | I/O — User I/O (bank 3) |
| Chân 23 | I/O — User I/O (bank 3) |
| Chân 24 | I/O — User I/O (bank 3) |
| Chân 25 | VCCIO3 — I/O bank 3 supply voltage |
| Chân 26 | I/O — User I/O (bank 3) |
| Chân 27 | I/O — User I/O (bank 3) |
| Chân 28 | I/O — User I/O (bank 3) |
| Chân 29 | I/O — User I/O (bank 3) |
| Chân 30 | GND — Ground |
| Chân 31 | I/O — User I/O (bank 4) |
| Chân 32 | I/O — User I/O (bank 4) |
| Chân 33 | I/O — User I/O (bank 4) |
| Chân 34 | I/O — User I/O (bank 4) |
| Chân 35 | VCCIO4 — I/O bank 4 supply voltage |
| Chân 36 | I/O — User I/O (bank 4) |
| Chân 37 | I/O — User I/O (bank 4) |
| Chân 38 | I/O — User I/O (bank 4) |
| Chân 39 | I/O — User I/O (bank 4) |
| Chân 40 | GND — Ground |
| Chân 41 | I/O — User I/O (bank 5) |
| Chân 42 | I/O — User I/O (bank 5) |
| Chân 43 | I/O — User I/O (bank 5) |
| Chân 44 | I/O — User I/O (bank 5) |
| Chân 45 | VCCIO5 — I/O bank 5 supply voltage |
| Chân 46 | I/O — User I/O (bank 5) |
| Chân 47 | I/O — User I/O (bank 5) |
| Chân 48 | I/O — User I/O (bank 5) |
| Chân 49 | I/O — User I/O (bank 5) |
| Chân 50 | GND — Ground |
| Chân 51 | I/O — User I/O (bank 6) |
| Chân 52 | I/O — User I/O (bank 6) |
| Chân 53 | I/O — User I/O (bank 6) |
| Chân 54 | I/O — User I/O (bank 6) |
| Chân 55 | VCCIO6 — I/O bank 6 supply voltage |
| Chân 56 | I/O — User I/O (bank 6) |
| Chân 57 | I/O — User I/O (bank 6) |
| Chân 58 | I/O — User I/O (bank 6) |
| Chân 59 | I/O — User I/O (bank 6) |
| Chân 60 | GND — Ground |
| Chân 61 | I/O — User I/O (bank 7) |
| Chân 62 | I/O — User I/O (bank 7) |
| Chân 63 | I/O — User I/O (bank 7) |
| Chân 64 | I/O — User I/O (bank 7) |
| Chân 65 | VCCIO7 — I/O bank 7 supply voltage |
| Chân 66 | I/O — User I/O (bank 7) |
| Chân 67 | I/O — User I/O (bank 7) |
| Chân 68 | I/O — User I/O (bank 7) |
| Chân 69 | I/O — User I/O (bank 7) |
| Chân 70 | GND — Ground |
| Chân 71 | I/O — User I/O (bank 8) |
| Chân 72 | I/O — User I/O (bank 8) |
| Chân 73 | I/O — User I/O (bank 8) |
| Chân 74 | I/O — User I/O (bank 8) |
| Chân 75 | VCCIO8 — I/O bank 8 supply voltage |
| Chân 76 | I/O — User I/O (bank 8) |
| Chân 77 | I/O — User I/O (bank 8) |
| Chân 78 | I/O — User I/O (bank 8) |
| Chân 79 | I/O — User I/O (bank 8) |
| Chân 80 | GND — Ground |
| Chân 81 | TDI — JTAG Test Data In |
| Chân 82 | TMS — JTAG Test Mode Select |
| Chân 83 | TCK — JTAG Test Clock |
| Chân 84 | TDO — JTAG Test Data Out |
| Chân 85 | nCONFIG — Configuration start (active-low) |
| Chân 86 | nSTATUS — Configuration status (active-low) |
| Chân 87 | CONF_DONE — Configuration complete indicator |
| Chân 88 | DEV_OE — Device-wide output enable (active-low) |
| Chân 89 | DEV_CLRn — Device-wide clear (active-low) |
| Chân 90 | GND — Ground |
| Chân 91 | VCCINT — Core logic supply (1.8 V) |
| Chân 92 | I/O — User I/O |
| Chân 93 | I/O — User I/O |
| Chân 94 | I/O — User I/O |
| Chân 95 | I/O — User I/O |
| Chân 96 | GND — Ground |
| Chân 97 | I/O — User I/O |
| Chân 98 | I/O — User I/O |
| Chân 99 | I/O — User I/O |
| Chân 100 | I/O — User I/O |
| Chân 101 | VCCINT — Core logic supply (1.8 V) |
| Chân 102 | I/O — User I/O |
| Chân 103 | I/O — User I/O |
| Chân 104 | I/O — User I/O |
| Chân 105 | I/O — User I/O |
| Chân 106 | GND — Ground |
| Chân 107 | I/O — User I/O |
| Chân 108 | I/O — User I/O |
| Chân 109 | I/O — User I/O |
| Chân 110 | I/O — User I/O |
| Chân 111 | VCCINT — Core logic supply (1.8 V) |
| Chân 112 | I/O — User I/O |
| Chân 113 | I/O — User I/O |
| Chân 114 | I/O — User I/O |
| Chân 115 | I/O — User I/O |
| Chân 116 | GND — Ground |
| Chân 117 | I/O — User I/O |
| Chân 118 | I/O — User I/O |
| Chân 119 | I/O — User I/O |
| Chân 120 | I/O — User I/O |
| Chân 121 | VCCINT — Core logic supply (1.8 V) |
| Chân 122 | I/O — User I/O |
| Chân 123 | I/O — User I/O |
| Chân 124 | I/O — User I/O |
| Chân 125 | I/O — User I/O |
| Chân 126 | GND — Ground |
| Chân 127 | I/O — User I/O |
| Chân 128 | I/O — User I/O |
| Chân 129 | I/O — User I/O |
| Chân 130 | I/O — User I/O |
| Chân 131 | VCCINT — Core logic supply (1.8 V) |
| Chân 132 | I/O — User I/O |
| Chân 133 | I/O — User I/O |
| Chân 134 | I/O — User I/O |
| Chân 135 | I/O — User I/O |
| Chân 136 | GND — Ground |
| Chân 137 | I/O — User I/O |
| Chân 138 | I/O — User I/O |
| Chân 139 | I/O — User I/O |
| Chân 140 | I/O — User I/O |
| Chân 141 | VCCINT — Core logic supply (1.8 V) |
| Chân 142 | I/O — User I/O |
| Chân 143 | I/O — User I/O |
| Chân 144 | I/O — User I/O |
Ứng dụng tiêu biểu
EPM1270T144C3N phù hợp cho 6 Áp dụngs: MCU Bus Interface Bridging and Glue Logic, FPGA/ASIC Power-Up Sequencing Controller, Industrial Control I/O Expansion, LED Display and Signage Drivers, Communication Protocol Bridge (UART/SPI/I2C), Replacement of Discrete 74-Series Logic.
MCU Bus Interface Bridging and Glue Logic
The EPM1270T144C3N excels at bridging incompatible MCU-to-peripheral bus interfaces in mixed-voltage designs. With 1270 LEs and MultiVolt I/O supporting 1.5 V, 1.8 V, 2.5 V, and 3.3 V on the same die, it can directly translate between a 3.3 V ARM Cortex-M MCU bus and a 1.8 V sensor peripheral without external level shifters. The fast ~3.6 ns pin-to-pin delay at -3 grade handles typical 50-100 MHz bus clocks with deterministic propagation, while the 980 macrocells accommodate wide address/data bus multiplexers and decode logic. Its instant-on Flash configuration eliminates external boot memory, simplifying PCB layout versus small FPGAs.
Được đề xuất
FPGA/ASIC Power-Up Sequencing Controller
The EPM1270T144C3N is widely deployed as a multi-rail power-sequencer for FPGAs, ASICs, and DSPs that require strict rail-ordering on board bring-up. Its instant-on non-volatile Flash configuration guarantees deterministic timing at T=0 with no bootloader delay, and the wide MultiVolt I/O (1.5 V to 3.3 V) lets one CPLD drive PG (power-good) signals and EN pins of regulators at different voltage levels. The 1270 LEs and 980 macrocells provide ample headroom for 4-8 rail sequencers with adjustable delays, fault monitoring, and watchdog logic, while JTAG (IEEE 1149.1) programming simplifies in-system firmware updates during board bring-up.
Được đề xuất
Industrial Control I/O Expansion
In industrial PLCs and distributed I/O modules, the EPM1270T144C3N provides deterministic-logic I/O expansion for microcontrollers that lack sufficient GPIO or require galvanic-isolated channel management. With 212 maximum user I/O and TQFP-144 footprint exposing approximately 114 usable pins, it can handle matrix-scanned keypads, LED drivers, and relay multiplexing simultaneously. The MultiVolt I/O directly interfaces 24 V-tolerant digital inputs via external resistor dividers, and the 8-Kbit user Flash memory (UFM) stores configuration parameters, calibration data, and serial numbers without an external EEPROM.
Được đề xuất
LED Display and Signage Drivers
The EPM1270T144C3N is well-suited for driving large LED matrix displays, scoreboards, and signage where parallel data throughput and multi-channel PWM are required. Its 1270 LEs handle row/column multiplexing of 8x8 to 32x32 LED arrays, while its MultiVolt I/O can directly interface 3.3 V microcontrollers and 5 V LED driver inputs. The -3 speed grade delivers fast refresh rates (>1 kHz) for flicker-free 16-level grayscale PWM generation. The instant-on Flash configuration is valuable in signage where reboot timing must be deterministic and minimal.
Được đề xuất
Communication Protocol Bridge (UART/SPI/I2C)
The EPM1270T144C3N is ideal for protocol bridging tasks - converting between UART, SPI, I2C, parallel buses, and custom protocols at line rates up to ~200 MHz. With 1270 LEs and fast propagation delays (~3.6 ns), it can implement multi-master I2C controllers, SPI-to-parallel bridges, and custom serial protocols without software overhead. The MultiVolt I/O allows direct interface to 1.8 V sensors and 3.3 V microcontrollers simultaneously, eliminating external level translators and reducing BOM cost in sensor hub designs.
Được đề xuất
Replacement of Discrete 74-Series Logic
Engineers frequently use the EPM1270T144C3N to replace dozens of discrete 74HC/74LVC series logic gates, multiplexers, and flip-flops on legacy boards. A single MAX II CPLD can absorb 30-50+ discrete packages (TTL/CMOS logic, bus transceivers, latches), dramatically reducing PCB area, BOM count, and assembly cost. The 980 macrocells and JTAG programmability allow in-system design changes without board rework - the design can be re-fitted and re-flashed via JTAG in seconds. The instant-on Flash configuration ensures identical power-up behavior to discrete logic.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPM1270T144C3N — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EPM1270T144A5N | EPM1270T144C3 | EPM1270T144C4N | EPM1270T144C5N | EPM1270T144I5N |
|---|---|---|---|---|---|---|
| Package | TQFP-144 (T144) | TQFP-144 (T144) - same | TQFP-144 (T144) - same | TQFP-144 (T144) - same | TQFP-144 (T144) - same | TQFP-144 (T144) - same |
| Brand | Intel | Intel - same | Intel - same | Intel - same | Intel - same | Intel - same |
| Speed Grade | -3 (C3, fastest) | -5 (slower) | -3 (same) | -4 (mid) | -5 (slower) | -5 (slower, industrial) |
| Pin-to-Pin Delay (tPD) | ~3.6 ns | ~5.0 ns | ~3.6 ns | ~4.5 ns | ~5.0 ns | ~5.0 ns |
| Operating Temperature | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | 0C to +85C (commercial) | -40C to +100C (industrial) |
| Logic Elements | 1270 | 1270 (same) | 1270 (same) | 1270 (same) | 1270 (same) | 1270 (same) |
| User I/O (max) | 212 | 212 | 212 | 212 | 212 | 212 |
| User Flash Memory (UFM) | 8 Kbits | 8 Kbits | 8 Kbits | 8 Kbits | 8 Kbits | 8 Kbits |
| Pb-Free / RoHS | Yes (N suffix) | Yes | No (non-N) | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Fastest commercial speed grade in MAX II 1270 T144 family (vsEPM1270T144A5N)
- Lead-free / Pb-free marking (N suffix) (vsEPM1270T144C3)
- Non-volatile Flash configuration for instant-on (vsEPM1270T144C5N)
Ghi chú thiết kế
The EPM1270T144C3N requires separate VCCINT (1.8 V) and VCCIO (1.5 V/1.8 V/2.5 V/3.3 V) rails. Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed within 5 mm of the package, and each VCCIO bank pin with 0.1 uF + bulk 10 uF tantalum. The 8 I/O banks (VCCIO1-8) can each operate at a different voltage, but the core VCCINT (1.8 V) must come up first or simultaneously with VCCIO. Sequence the 1.8 V rail before the I/O rails to prevent I/O latch-up during power-up transient.
TQFP-144 has a 0.5 mm pin pitch with 1.0 mm lead width - use 0.20 mm trace width and 0.20 mm spacing to escape pins cleanly. Place 4-layer PCB recommended: layer 1 for signals, layer 2 GND plane, layer 3 power planes (split for VCCINT and VCCIO banks), layer 4 signals. Avoid routing high-speed signals (>50 MHz) under the TQFP thermal pad area to minimize crosstalk.
Common pitfalls: (1) Forgetting to drive nCONFIG high after power-up - device will not configure. (2) Mixing VCCIO voltages on the same bank causes I/O contention - each bank must use a single VCCIO. (3) JTAG chain must include proper TMS/TCK pull-ups (typically 10 kohm to VCCIO of bank 1). (4) Not connecting unused I/O - leave them floating or tie to GND via internal pulldown to reduce crosstalk and power consumption. (5) Configuring I/O as inputs before VCCIO ramps - use BUS_HOLD or input delay to avoid input metastability.
Thông tin tuân thủ
RoHS compliant per N suffix designation (Pb-free). Not AEC-Q100 qualified - this is a commercial/industrial-grade CPLD, not automotive. Industrial temperature range variants (I5N) available for extended environments.
