EPM7256EGC192-20

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EPM7256EGC192-20

+Nomenclature

IC CPLD 256MC 20NS 192PGA

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Spécifications

Attribut Valeur
Supplier Intel
Package / Case Tray
Series MAX® 7000
Part Status Obsolete
Programmable Type EE PLD
Delay Timetpd(1)Max 20 ns
Voltage Supply - Internal 4.75V ~ 5.25V
Number of Logic Elements/Blocks 16
Number of Macrocells 256
Number of Gates 5000
Number of I/O 164
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount

Présentation

Description

EPM7256EGC192-20 is an Altera (Intel) EPLD/CPLD device from the EPM family. It is a low‑to‑mid density CPLD housed in a 192‑pin EGC package with speed grade -20 (approximately 20 ns). The device provides configurable logic blocks (macrocells) and I/O blocks that can implement combinational logic, small state machines, counters, decoders, and glue logic for microprocessors or peripherals. It is programmed in‑system using Altera’s programming tools (older MAX+PLUS II or newer Quartus flow) and can be configured from a PROM or via in‑system programming (e.g., JTAG). Typical uses include interface/Glue logic, control logic, basic peripherals, timing/manipulation of signals, and other small digital logic tasks where a fixed hardware implementation is desired without a full FPGA. It’s valued for relatively low cost, fixed logic density, fast time‑to‑market, and simple development compared with larger FPGAs.

Features

Here are the key features of Altera EPM7256EGC192-20 (MAX 7000S CPLD):
- 256 macrocells
- 192-pin package (EGC192)
- Speed grade -20 (approx. 20 ns)
- 5V operation with TTL/CMOS-compatible I/O
- On-chip configuration memory with in-system programming (ISP) via JTAG or parallel interface
- Flexible I/O with multiplebanks and support for common I/O standards
- JTAG boundary-scan for programming and testing
- Low power CMOS device suitable for glue logic and small to mid-sized control logic
Note: specifics such as exact I/O counts per bank and supported I/O standards can vary by package and variant; refer to the datasheet for precise electrical characteristics.

Pinout

- Pin count: 192 pins.
- Function: Altera EPM7256E series EPLD/CPLD (56-macrocell, non-volatile programmable logic device) used to implement glue logic and small digital circuits (programmable combinational/sequential logic with I/O).

Manufacturer

- Manufacturer: Altera Corporation (now part of Intel Corporation; Intel’s Programmable Solutions Group).
- What kind of company: A semiconductor company that designs and manufactures programmable logic devices (CPLDs and FPGAs) and related IP.

Application

- Glue logic for microprocessors/MCUs and other devices
- I/O expansion and peripheral interfaces (UART, SPI, I2C, parallel)
- Address decoding, memory-mapped I/O and bus interfacing
- Finite-state machines and control logic for embedded systems
- Clock management and timing circuits (PLL-based clock generation and synchronization)
- Protocol bridging and small interface controllers
- Rapid prototyping and production-level control logic in industrial, consumer, or automotive electronics

Package

192-pin Thin Quad Flat Pack (TQFP) package.

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