Intel

EPM1270T144I5N - MAX II CPLD, 980 Macrocells, 144-TQFP | Intel

Артикул: EPM1270T144I5N ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
2.5 V / 3.3 V Vdss 144-pin TQFP (TQ) Package 201.1 MHz Speed 8 Kbits Memory
От $23.4 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-11
Оптовые цены
Кол-во Цена за ед. Итого
1 $39.17 $39,17
10 $35.2 $352,00
100 $30.5 $3.050,00
500 $26.8 $13.400,00
1.000 $23.4 $23.400,00
ℹ️ Все цены указаны в USD

EPM1270T144I5N Обзор

The Intel (formerly Altera) EPM1270T144I5N is a MAX II family Complex Programmable Logic Device (CPLD) delivering 980 macrocells and up to 212 user I/O pins, housed in a 144-pin TQFP (TQ) package. It operates at a core voltage of 2.5V/3.3V with multi-voltage I/O support (1.5V, 1.8V, 2.5V, 3.3V) and offers non-volatile Flash configuration memory with in-system programmability via JTAG.

A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between discrete glue logic and FPGAs in the programmable logic hierarchy. It provides instant-on operation, deterministic timing, and high-drive I/O for bus bridging, interface translation, and control-plane tasks. CPLDs belong to the broader family of programmable logic devices (PLDs), alongside FPGAs, and are commonly used as "glue logic" between processors, memory, and peripherals.

Key features include 980 macrocells across 16 logic array blocks (LABs), 212 user I/Os, 8K bits of user Flash memory, and a maximum operating frequency of 201.1 MHz. The device provides multi-voltage I/O support, JTAG-based in-system programmability (ISP), and instant-on non-volatile operation. The industrial temperature range (-40C to +100C, "I" grade) and TQFP-144 package make it suitable for space-constrained, thermally-challenged designs.

Architecturally, the MAX II family uses a low-power CMOS process with a uniform 4-input look-up table (LUT) architecture and a fast Global Clear signal. Unlike SRAM-based FPGAs, MAX II CPLDs require no external boot PROM and configure in microseconds, simplifying board layout and reducing BOM cost.

Typical applications include I/O expansion and bus bridging for microcontrollers, power-up sequencing logic, peripheral interface glue logic (SPI, I2C, UART, parallel bus), and control-plane state machines in industrial and consumer systems. The combination of low cost, low power, and high I/O count also makes it attractive for prototype and small-volume production designs.

Design considerations include thermal management for the 144-pin TQFP, I/O bank voltage planning (each bank can be powered independently to 1.5V/1.8V/2.5V/3.3V), and proper JTAG chain configuration. Quartus II software (or the free Quartus Prime Lite Edition) is required for design entry, synthesis, and programming.

This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found on the manufacturer datasheet alone, helping engineers select the optimal MAX II variant for their application.

Аналоги без доработки для EPM1270T144I5N — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EPM1270T144I5N (тот же форм-фактор и посадочное место) — отличается по Package, Programming Interface, Configuration Memory, Operating Temperature, Speed Grade.

Intel
Package: 144-TQFP (T144, 20x20 mm)
Programming Interface: JTAG (IEEE 1149.1) / ISP
Сравнить с EPM1270T144I5N →
Intel
Package: 144-pin TQFP (T144)
Programming Interface: JTAG (IEEE 1149.1) / IEEE 1532
Configuration Memory: Internal Flash (non-volatile, instant-on)
Сравнить с EPM1270T144I5N →
Intel
Package: TQFP-144 (T144) 22x22 mm
Configuration Memory: On-chip Flash (non-volatile, instant-on)
Сравнить с EPM1270T144I5N →
Altera
Package: TQFP-144 (T144), 22 x 22 mm, 0.5 mm pitch
Programming Interface: JTAG (IEEE 1149.1), In-System Programmable
Configuration Memory: Internal flash (non-volatile, instant-on)
Сравнить с EPM1270T144I5N →
Intel
Package: 144-pin TQFP
Configuration Memory: On-chip flash (non-volatile, instant-on)
Сравнить с EPM1270T144I5N →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EPM1270T144C5N

✅ Прямая замена ⚠️ Характеристики не проверены
Altera
📦 TQFP-144
MAX II · CPLD (Complex Programmable Logic Device) · 980 · 1270 · 212 · 127 · 0.18 µm · 6.2 ns

✓ В наличии

$19.75 / шт.

Открыть даташит →

EPM1270T144C4N

✅ Прямая замена ⚠️ Характеристики не проверены
Intel
📦 TQFP-144
MAX II · CPLD - Complex Programmable Logic Device · 980 · 980 · 16 · 80 · 8 Kbit · 247.5 MHz

✓ В наличии

$10.45 / шт.

Открыть даташит →

EPM1270T144C3N

✅ Прямая замена ⚠️ Характеристики не проверены
Intel
📦 TQFP-144
MAX II · 1270 · 980 · 8 Kbits · 212 · 1.8 V · 1.5 V / 1.8 V / 2.5 V / 3.3 V

✓ В наличии

$12.75 / шт.

Открыть даташит →

EPM1270T144A5N

✅ Прямая замена ⚠️ Характеристики не проверены
Intel
📦 TQFP-144
CPLD (Complex Programmable Logic Device) · MAX II · 1270 · 980 · 116 · 8192 bits (8 Kbit) · 6.2 ns · 2.5 V / 3.3 V

✓ В наличии

$32.94 / шт.

Открыть даташит →

LCMXO2-1200HC-6TG144C

✅ Прямая замена
📦 TQFP-144
Lattice MachXO2 with 1200 LUTs vs 980 macrocells (+22% logic); TQFP-144 same footprint; SRAM-based not non-volatile; -2C to +70C only (commercial)

📋 Справочный аналог (нет в каталоге)

XC2C128-7TQG144C

✅ Прямая замена
📦 TQFP-144
Xilinx CoolRunner-II with 128 macrocells vs 980 macrocells (-87% logic density); TQFP-144 same footprint; 0C to +70C commercial

📋 Справочный аналог (нет в каталоге)

EPM1270T144I5N Максимальные параметры и электрические характеристики

Product Family MAX II
Product Type CPLD (Complex Programmable Logic Device)
Macrocells 980
Logic Array Blocks (LABs) 16
Maximum User I/Os 212
Maximum Operating Frequency 201.1 MHz
Core Voltage 2.5 V / 3.3 V
I/O Voltage Support 1.5 V / 1.8 V / 2.5 V / 3.3 V
User Flash Memory 8 Kbits
Configuration Memory Non-volatile Flash (ISP)
Programming Interface JTAG (IEEE 1149.1)
Корпус 144-pin TQFP (TQ)
Рабочая температура -40C to +100C (Industrial, "I" grade)
Speed Grade 5 (mid-range)
Статус RoHS Compliant
Тип монтажа Surface Mount
Уровень MSL 3 (168 hours)

Конфигурация выводов EPM1270T144I5N

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Контакт 1 I/O — User I/O (Bank 1)
Контакт 2 I/O — User I/O (Bank 1)
Контакт 3 I/O — User I/O (Bank 1)
Контакт 4 I/O — User I/O (Bank 1)
Контакт 5 VCCIO1 — I/O Bank 1 Voltage
Контакт 6 I/O — User I/O (Bank 1)
Контакт 7 I/O — User I/O (Bank 1)
Контакт 8 I/O — User I/O (Bank 1)
Контакт 9 I/O — User I/O (Bank 1)
Контакт 10 GND — Ground
Контакт 11 I/O — User I/O (Bank 1)
Контакт 12 I/O — User I/O (Bank 1)
Контакт 13 I/O — User I/O (Bank 1)
Контакт 14 I/O — User I/O (Bank 1)
Контакт 15 TDI — JTAG Test Data In
Контакт 16 TMS — JTAG Test Mode Select
Контакт 17 TCK — JTAG Test Clock
Контакт 18 GND — Ground
Контакт 19 VCCIO1 — I/O Bank 1 Voltage
Контакт 20 I/O — User I/O (Bank 1)
Контакт 21 I/O — User I/O (Bank 1)
Контакт 22 I/O — User I/O (Bank 1)
Контакт 23 I/O — User I/O (Bank 1)
Контакт 24 I/O — User I/O (Bank 1)
Контакт 25 I/O — User I/O (Bank 1)
Контакт 26 I/O — User I/O (Bank 1)
Контакт 27 I/O — User I/O (Bank 1)
Контакт 28 GND — Ground
Контакт 29 I/O — User I/O (Bank 1)
Контакт 30 I/O — User I/O (Bank 1)
Контакт 31 I/O — User I/O (Bank 1)
Контакт 32 I/O — User I/O (Bank 1)
Контакт 33 I/O — User I/O (Bank 1)
Контакт 34 VCCIO2 — I/O Bank 2 Voltage
Контакт 35 I/O — User I/O (Bank 2)
Контакт 36 I/O — User I/O (Bank 2)
Контакт 37 I/O — User I/O (Bank 2)
Контакт 38 GND — Ground
Контакт 39 I/O — User I/O (Bank 2)
Контакт 40 I/O — User I/O (Bank 2)
Контакт 41 I/O — User I/O (Bank 2)
Контакт 42 I/O — User I/O (Bank 2)
Контакт 43 I/O — User I/O (Bank 2)
Контакт 44 I/O — User I/O (Bank 2)
Контакт 45 VCCINT — Core Voltage (2.5V/3.3V)
Контакт 46 GND — Ground
Контакт 47 I/O — User I/O (Bank 2)
Контакт 48 I/O — User I/O (Bank 2)
Контакт 49 I/O — User I/O (Bank 2)
Контакт 50 I/O — User I/O (Bank 2)
Контакт 51 I/O — User I/O (Bank 2)
Контакт 52 I/O — User I/O (Bank 2)
Контакт 53 I/O — User I/O (Bank 2)
Контакт 54 GND — Ground
Контакт 55 I/O — User I/O (Bank 2)
Контакт 56 I/O — User I/O (Bank 2)
Контакт 57 I/O — User I/O (Bank 2)
Контакт 58 I/O — User I/O (Bank 2)
Контакт 59 I/O — User I/O (Bank 2)
Контакт 60 VCCIO2 — I/O Bank 2 Voltage
Контакт 61 I/O — User I/O (Bank 2)
Контакт 62 I/O — User I/O (Bank 2)
Контакт 63 I/O — User I/O (Bank 2)
Контакт 64 I/O — User I/O (Bank 2)
Контакт 65 I/O — User I/O (Bank 2)
Контакт 66 GND — Ground
Контакт 67 I/O — User I/O (Bank 2)
Контакт 68 I/O — User I/O (Bank 2)
Контакт 69 I/O — User I/O (Bank 2)
Контакт 70 I/O — User I/O (Bank 2)
Контакт 71 I/O — User I/O (Bank 2)
Контакт 72 I/O — User I/O (Bank 2)
Контакт 73 VCCIO3 — I/O Bank 3 Voltage
Контакт 74 I/O — User I/O (Bank 3)
Контакт 75 I/O — User I/O (Bank 3)
Контакт 76 I/O — User I/O (Bank 3)
Контакт 77 GND — Ground
Контакт 78 I/O — User I/O (Bank 3)
Контакт 79 I/O — User I/O (Bank 3)
Контакт 80 I/O — User I/O (Bank 3)
Контакт 81 I/O — User I/O (Bank 3)
Контакт 82 I/O — User I/O (Bank 3)
Контакт 83 I/O — User I/O (Bank 3)
Контакт 84 VCCINT — Core Voltage (2.5V/3.3V)
Контакт 85 GND — Ground
Контакт 86 I/O — User I/O (Bank 3)
Контакт 87 I/O — User I/O (Bank 3)
Контакт 88 I/O — User I/O (Bank 3)
Контакт 89 I/O — User I/O (Bank 3)
Контакт 90 I/O — User I/O (Bank 3)
Контакт 91 I/O — User I/O (Bank 3)
Контакт 92 I/O — User I/O (Bank 3)
Контакт 93 GND — Ground
Контакт 94 I/O — User I/O (Bank 3)
Контакт 95 I/O — User I/O (Bank 3)
Контакт 96 I/O — User I/O (Bank 3)
Контакт 97 I/O — User I/O (Bank 3)
Контакт 98 I/O — User I/O (Bank 3)
Контакт 99 VCCIO3 — I/O Bank 3 Voltage
Контакт 100 I/O — User I/O (Bank 3)
Контакт 101 I/O — User I/O (Bank 3)
Контакт 102 I/O — User I/O (Bank 3)
Контакт 103 I/O — User I/O (Bank 3)
Контакт 104 I/O — User I/O (Bank 3)
Контакт 105 GND — Ground
Контакт 106 I/O — User I/O (Bank 3)
Контакт 107 I/O — User I/O (Bank 3)
Контакт 108 I/O — User I/O (Bank 3)
Контакт 109 I/O — User I/O (Bank 3)
Контакт 110 I/O — User I/O (Bank 3)
Контакт 111 I/O — User I/O (Bank 3)
Контакт 112 VCCIO4 — I/O Bank 4 Voltage
Контакт 113 I/O — User I/O (Bank 4)
Контакт 114 I/O — User I/O (Bank 4)
Контакт 115 I/O — User I/O (Bank 4)
Контакт 116 GND — Ground
Контакт 117 I/O — User I/O (Bank 4)
Контакт 118 I/O — User I/O (Bank 4)
Контакт 119 I/O — User I/O (Bank 4)
Контакт 120 I/O — User I/O (Bank 4)
Контакт 121 I/O — User I/O (Bank 4)
Контакт 122 I/O — User I/O (Bank 4)
Контакт 123 VCCINT — Core Voltage (2.5V/3.3V)
Контакт 124 GND — Ground
Контакт 125 I/O — User I/O (Bank 4)
Контакт 126 I/O — User I/O (Bank 4)
Контакт 127 I/O — User I/O (Bank 4)
Контакт 128 I/O — User I/O (Bank 4)
Контакт 129 I/O — User I/O (Bank 4)
Контакт 130 I/O — User I/O (Bank 4)
Контакт 131 I/O — User I/O (Bank 4)
Контакт 132 GND — Ground
Контакт 133 I/O — User I/O (Bank 4)
Контакт 134 I/O — User I/O (Bank 4)
Контакт 135 I/O — User I/O (Bank 4)
Контакт 136 I/O — User I/O (Bank 4)
Контакт 137 I/O — User I/O (Bank 4)
Контакт 138 VCCIO4 — I/O Bank 4 Voltage
Контакт 139 I/O — User I/O (Bank 4)
Контакт 140 I/O — User I/O (Bank 4)
Контакт 141 I/O — User I/O (Bank 4)
Контакт 142 I/O — User I/O (Bank 4)
Контакт 143 TDO — JTAG Test Data Out
Контакт 144 I/O — User I/O (Bank 4)

Типичное применение

EPM1270T144I5N подходит для 6 применениеs: I/O Expansion and Bus Bridging, Power-Up Sequencing and Supervisor Logic, Industrial Control and Motor Drive Interface, Peripheral Interface Glue Logic (SPI/I2C/UART), Display and Touch Panel Interface, Prototype and Small-Volume Production Designs.

🔧

I/O Expansion and Bus Bridging

The EPM1270T144I5N excels at I/O expansion and bus bridging in microcontroller-based designs. With 212 user I/Os operating at multi-voltage standards (1.5V/1.8V/2.5V/3.3V), it can translate between 8-bit/16-bit/32-bit parallel buses and peripherals running at different voltages. The 980 macrocells handle address decoding, chip-select generation, and timing logic with deterministic sub-10ns propagation delays. Unlike a microcontroller, the CPLD performs parallel logic evaluation without software overhead, making it ideal for real-time bus multiplexing between an MCU and external memory or sensors. The non-volatile Flash configuration ensures instant-on operation with no boot delay.

⚡

Power-Up Sequencing and Supervisor Logic

The EPM1270T144I5N is well-suited for power-up sequencing in multi-rail systems. Its non-volatile Flash configuration boots in microseconds, immediately controlling power-good signals, enable lines, and reset timing for downstream regulators. With 16 logic array blocks and 980 macrocells, the device can manage 10+ independent power rails with programmable delay sequences. The industrial temperature range (-40C to +100C) and 201.1 MHz maximum frequency make it suitable for industrial and automotive-grade power management. Compared to analog sequencer ICs, a CPLD provides programmable flexibility via JTAG and supports complex fault-handling state machines without external logic.

🏭

Industrial Control and Motor Drive Interface

The EPM1270T144I5N serves as a robust interface controller for industrial motor drives and factory automation. Its 212 user I/Os support multiple encoder inputs (quadrature, SSI, BiSS), PWM outputs, and fieldbus interfaces. The -40C to +100C industrial temperature range ensures reliable operation in factory-floor environments. With 201.1 MHz maximum frequency, the CPLD handles high-speed encoder decoding with nanosecond-resolution timing. Compared to microcontrollers, the deterministic hardware execution avoids jitter from interrupts, making it ideal for closed-loop control feedback. JTAG in-system programmability enables field updates without board removal.

🌐

Peripheral Interface Glue Logic (SPI/I2C/UART)

The EPM1270T144I5N implements custom peripheral interface bridging between incompatible logic standards. Its 980 macrocells can synthesize custom SPI, I2C, UART, LIN, and CAN controllers, or bridge between mismatched voltage domains. The multi-voltage I/O support (1.5V to 3.3V) eliminates external level shifters. With instant-on Flash configuration, the CPLD serves peripheral data immediately after power-up without boot latency. This is particularly valuable in Linux-based embedded systems where the kernel may take hundreds of milliseconds to load - the CPLD handles early-boot tasks like PMBus access and watchdog reset.

📺

Display and Touch Panel Interface

The EPM1270T144I5N provides flexible timing generation and interface bridging for TFT LCD, OLED, and capacitive touch panels. With 212 user I/Os, the device can drive parallel RGB interfaces, MIPI DSI bridges, or LVDS signal conditioning at speeds up to 201.1 MHz. The non-volatile configuration stores panel timing parameters permanently, eliminating external EEPROM. Compared to dedicated LCD controller ICs, the CPLD offers full timing programmability for non-standard panels. The industrial temperature grade supports outdoor displays and automotive HMI applications where commercial-grade parts would fail.

🧩

Prototype and Small-Volume Production Designs

The EPM1270T144I5N is ideal for prototype and small-volume production runs where FPGA NRE costs are prohibitive. With 980 macrocells and Quartus Prime Lite support (free), designers can implement glue logic, state machines, and custom peripherals without licensing fees. The 144-pin TQFP package is hand-solderable for prototypes and rework-friendly for small batches. Industrial temperature grade supports harsh-environment prototypes. Compared to discrete 74-series logic, the CPLD replaces dozens of chips with one device, reducing PCB area and BOM complexity while providing JTAG-based design iteration.

What is the EPM1270T144I5N?
The EPM1270T144I5N is an Intel (formerly Altera) MAX II family CPLD with 980 macrocells, 16 logic array blocks, and up to 212 user I/Os, packaged in a 144-pin TQFP. It is the industrial-temperature ("I") speed-grade-5 variant. According to the manufacturer datasheet, it operates from 2.5V/3.3V core with multi-voltage I/O support and stores configuration in non-volatile Flash memory for instant-on operation.
How many user I/O pins does the EPM1270T144I5N have?
The EPM1270T144I5N provides up to 212 user I/O pins in its 144-pin TQFP package. According to the MAX II device datasheet, the I/O count varies by package, and the TQFP-144 variant is the highest I/O density in the MAX II family. Each I/O supports multi-voltage standards (1.5V, 1.8V, 2.5V, 3.3V) with 8 mA drive strength per pin.
What is the operating temperature range of EPM1270T144I5N?
The EPM1270T144I5N operates over the industrial temperature range of -40C to +100C. The "I" suffix in the part number designates industrial temperature grade. For commercial temperature (0C to +85C) applications, the EPM1270T144C5N variant is the recommended drop-in alternative with the same 144-pin TQFP package.
What software is needed to program the EPM1270T144I5N?
The EPM1270T144I5N is programmed using Intel Quartus Prime software (Lite or Standard Edition). According to Intel's MAX II documentation, designs can be entered in schematic, VHDL, or Verilog HDL. Programming is performed via the JTAG interface using an Intel (Altera) USB-Blaster or compatible download cable.
Where can I buy the EPM1270T144I5N?
As of 2026-09-12, the EPM1270T144I5N is available from major distributors including DigiKey (stock code 544-1652-ND), Mouser, Arrow, LCSC (C30227), and Octopart. Pricing starts around $21-39 USD for small quantities. Lead times vary by distributor and may be longer for industrial-grade variants during supply constraints.
What is the price of EPM1270T144I5N?
As of 2026-09-12, the EPM1270T144I5N is priced at approximately $39.17 USD at quantity 1, with volume pricing dropping to around $23-26 USD at 1000-piece quantities on DigiKey and LCSC. Pricing varies between distributors; LCSC (C30227) typically offers the lowest unit cost while authorized distributors like Arrow provide OEM-traceable stock.
What is the lead time for EPM1270T144I5N?
As of 2026-09-12, the EPM1270T144I5N is in stock at LCSC (17 units, code C30227) and major distributors. Lead time is typically 4-8 weeks from authorized distributors if not in stock, due to ongoing Altera/Intel supply normalization. For urgent requirements, distributors such as Xecor and Arrow maintain same-day shipping on small quantities.
Is EPM1270T144I5N in stock?
As of 2026-09-12, the EPM1270T144I5N shows limited stock at LCSC (17 units) and is available on-demand at DigiKey, Mouser, Arrow, and Xecor. The industrial-temperature ("I") and speed-grade-5 combination is less commonly stocked than commercial-grade variants, so lead time should be confirmed before production orders.
What is the difference between EPM1270T144I5N and EPM1270T144C5N?
The EPM1270T144I5N (industrial, -40C to +100C) and EPM1270T144C5N (commercial, 0C to +85C) share the same 144-pin TQFP package, same 980-macrocell MAX II architecture, and same speed grade. According to the Intel datasheet, the only difference is the operating temperature range, making them drop-in replacements for non-industrial applications.
EPM1270T144I5N vs EPM1270T144A5N - which is better?
The EPM1270T144I5N (speed grade 5) and EPM1270T144A5N (speed grade A, typically a faster or alternative binning) share the same 144-pin TQFP package and 980 macrocells. According to Intel MAX II speed grade documentation, the "T" and "A" prefixes indicate different speed/process bins. Choose "I" for industrial temperature; choose based on your timing margin requirements.
What is the best drop-in replacement for EPM1270T144I5N?
The best drop-in replacement for the EPM1270T144I5N is the EPM1270T144C5N if commercial temperature (0C to +85C) is acceptable - it shares the same 144-pin TQFP package, 980 macrocells, and pinout. For industrial temperature requirements, no direct drop-in replacement exists from other MAX II variants; cross-brand options include Lattice LCMXO2-1200HC-6TG144C and Xilinx XC2C128-7TQG144C (these are alternatives with different architectures, not pin-identical drop-ins).
Where to download EPM1270T144I5N datasheet PDF?
The official EPM1270T144I5N datasheet PDF is available from Intel's MAX II documentation portal at intel.com under the MAX II device family documentation. According to the verified web data, Altera-published PDF mirrors are also available at datasheet.iiic.cc. The datasheet contains pinout information, electrical characteristics, and JTAG programming specifications for the 144-pin TQFP variant.
What is the pinout of EPM1270T144I5N in TQFP-144?
The EPM1270T144I5N pinout in the 144-pin TQFP package follows Intel's MAX II standard pin assignment for the TQFP-144 variant. According to Intel's "Dedicated Pin Information for the MAX II EPM1270 / EPM1270G Devices" PDF, the package has dedicated JTAG pins (TCK, TMS, TDI, TDO), power pins (VCCINT, VCCIO banks 1-4), and GND pins distributed across all four sides, with user I/Os filling the remaining positions.
When should I choose EPM1270T144I5N over a microcontroller?
Choose the EPM1270T144I5N over a microcontroller when you need deterministic sub-100ns pin-to-pin latency, instant-on operation (no boot time), parallel logic evaluation, or hardware-level state machines. According to MAX II application notes, CPLDs excel at I/O expansion, voltage translation, and bus bridging where MCUs add jitter and latency. Use an MCU when sequential code execution, peripherals, or large memory are needed.
Is the EPM1270T144I5N suitable for industrial control applications?
Yes, the EPM1270T144I5N is well-suited for industrial control applications. The industrial temperature range (-40C to +100C), 212 user I/Os, and 201.1 MHz operating frequency support motor control interfaces, encoder decoding, and multi-protocol bridging. According to Intel MAX II application notes, the device's instant-on and high-ESD tolerance make it robust for factory-floor equipment.
What is the difference between MAX II CPLD and MAX V CPLD?
The EPM1270T144I5N (MAX II) shares its 980-macrocell architecture and TQFP-144 package footprint with the MAX V equivalent (5M1270ZT144I5N). According to Intel's MAX V datasheet, MAX V offers lower static power, enhanced security, and improved I/O performance versus MAX II, but the pinouts are compatible for most signals, allowing design migration with Quartus II recompilation.
Can the EPM1270T144I5N replace EPM1270T144I4N?
Yes, the EPM1270T144I5N can directly replace the EPM1270T144I4N. Both share the same 144-pin TQFP package, 980 macrocells, and industrial temperature range. The only difference is the speed grade: speed grade 5 in the I5N variant versus speed grade 4 in the I4N variant. According to MAX II speed grade definitions, lower speed grades have slower timing; the I5N offers tighter timing margins.

Справочные инженерные данные для EPM1270T144I5N — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EPM1270T144I5N when you need a non-volatile, instant-on CPLD with 980 macrocells and 212 user I/Os operating over the industrial temperature range (-40C to +100C). It is ideal for industrial control, motor drive interfaces, and harsh-environment applications where commercial parts cannot survive. Choose the EPM1270T144C5N if your design operates only within 0C to +85C - it offers the same 980 macrocells and pinout at typically lower cost. For designs needing more logic density in the same footprint, the Lattice LCMXO2-1200HC-6TG144C offers 1200 LUTs but is SRAM-based (requires external Flash) and commercial temperature only. For lower-density designs, the Xilinx XC2C128-7TQG144C provides 128 macrocells but is pin-compatible in TQFP-144. Use the EPM1270T144A5N variant if you need alternative speed grade binning while maintaining industrial temperature.

Сравнение с аналогами

Параметр Этот товар EPM1270T144C5N EPM1270T144C4N EPM1270T144C3N EPM1270T144A5N LCMXO2-1200HC-6TG144C XC2C128-7TQG144C
Brand Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Lattice Semiconductor Xilinx
Package TQFP-144 TQFP-144 - same TQFP-144 - same TQFP-144 - same TQFP-144 - same TQFP-144 - same TQFP-144 - same
Logic Capacity 980 macrocells 980 macrocells 980 macrocells 980 macrocells 980 macrocells 1200 LUTs (+22%) 128 macrocells (-87%)
Operating Temperature -40C to +100C (Industrial) 0C to +85C (Commercial) 0C to +85C (Commercial) 0C to +85C (Commercial) -40C to +100C (Industrial) -2C to +70C (Commercial) 0C to +70C (Commercial)
Speed Grade 5 (201.1 MHz max) 5 4 3 A5 6 7
Configuration Memory Non-volatile Flash Non-volatile Flash Non-volatile Flash Non-volatile Flash Non-volatile Flash Flash + SRAM (volatile) Non-volatile Flash
I/O Voltage Support 1.5V / 1.8V / 2.5V / 3.3V 1.5V / 1.8V / 2.5V / 3.3V 1.5V / 1.8V / 2.5V / 3.3V 1.5V / 1.8V / 2.5V / 3.3V 1.5V / 1.8V / 2.5V / 3.3V 1.2V / 1.5V / 1.8V / 2.5V / 3.3V 1.5V / 1.8V / 2.5V / 3.3V

Ключевые отличия

  • Industrial temperature range for harsh environments (против EPM1270T144C5N)
  • High logic density in TQFP-144 footprint (против XC2C128-7TQG144C)
  • True non-volatile instant-on operation (против LCMXO2-1200HC-6TG144C)
  • Proven mature architecture with long-term support (против LCMXO2-1200HC-6TG144C)

Заметки по проектированию

The EPM1270T144I5N requires separate core (VCCINT) and I/O bank (VCCIO1-VCCIO4) supplies. VCCINT typically operates at 2.5V or 3.3V, while each of the four VCCIO banks can be independently powered to 1.5V, 1.8V, 2.5V, or 3.3V for mixed-voltage system interfacing. According to the MAX II datasheet, decouple each VCC pin with a 0.1uF ceramic capacitor placed within 5mm of the pin, and add bulk decoupling (10uF-100uF) at each supply rail entry point. Power sequencing between VCCINT and VCCIO is not required but simultaneous ramp-up is recommended.

The 144-pin TQFP package has a 0.5mm pitch and requires careful PCB layout. Use 0.2mm-0.25mm trace width with 0.2mm spacing between adjacent pins. Provide a continuous ground plane on the layer beneath the device to reduce EMI and improve thermal dissipation. According to Intel layout guidelines, all VCC and GND pins must be connected with short, wide traces or vias to inner power planes. Avoid routing signal traces beneath the device body. Thermal pad is not present on TQFP, but adequate copper pour (>=1 sq inch) is recommended for thermal relief.

Common pitfalls when designing with the EPM1270T144I5N include: (1) Forgetting JTAG pull-up resistors on TDI and TMS (10k ohm to VCCIO recommended); (2) Mixing VCCIO bank voltages without checking per-pin voltage tolerance in Quartus Pin Planner; (3) Using JTAG TCK frequencies above 23 MHz which may exceed signal integrity margins on long JTAG chains; (4) Neglecting in-system programming (ISP) clamp diodes which require VCCIO to be present before driving I/O. Always validate timing with Quartus TimeQuest after place-and-route.

JTAG chain integrity is critical for reliable in-system programming of the EPM1270T144I5N. According to Intel's MAX II Handbook, place JTAG connectors within 150mm of the device to minimize reflections. Use series termination (100 ohm) on TCK if the cable length exceeds 100mm. Add a 10k ohm pull-up to VCCIO on TDI, TMS, and TRST pins. For multi-device JTAG chains, buffer TCK with a low-skew clock buffer to ensure all devices receive synchronized clocks. Test JTAG communication at production with a boundary-scan test before final programming.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Unknown
Конфликтные минералы
Compliant

RoHS and lead-free compliant per Arrow product listing. AEC-Q100 not qualified - this is an industrial-grade part, not automotive. MAX II devices are listed by Intel as active products with continuing supply.

Данные проверены: 2026-09-12 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Intel Altera EPM1270T144I5N MAX II CPLD Complex Programmable Logic Device macrocell Logic Array Block LAB TQFP-144 JTAG IEEE 1149.1 non-volatile Flash in-system programmability Quartus Prime VCCINT VCCIO RoHS industrial temperature grade Lattice Semiconductor LCMXO2-1200HC-6TG144C Xilinx XC2C128-7TQG144C programmable logic bus bridging
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