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IS80C31 - CMOS SINGLE CHIP 8-BIT MICROCONTROLLER

Download the IS80C31 datasheet PDF. This datasheet also covers the IS80C51 variant, as both devices belong to the same cmos single chip 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

General Description

microcontrollers fabricated using high-density CMOS technology.

The CMOS IS80C51/31 is functionally compatible with the industry standard 80C51 microcontrollers.

Key Features

  • 80C51 based architecture.
  • 4K x 8 ROM (IS80C51 only).
  • 128 x 8 RAM.
  • Two 16-bit Timer/Counters.
  • Full duplex serial channel.
  • Boolean processor.
  • Four 8-bit I/O ports, 32 I/O lines.
  • Memory addressing capability.
  • 64K ROM and 64K RAM.
  • Power save modes:.
  • Idle and power-down.
  • Six interrupt sources.
  • Most instructions execute in 0.3 µs.
  • CMOS and TTL compatible.
  • Maximum spee.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IS80C51-ISSI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by ISSI (now Infineon)

Part Number Description
IS80C51 CMOS SINGLE CHIP 8-BIT MICROCONTROLLER
IS80LV32 CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER
IS80LV52 CMOS SINGLE CHIP LOW VOLTAGE 8-BIT MICROCONTROLLER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
IISS808C051C51 IISS808C031C31 CMOS SINGLE CHIP 8-BIT MICROCONTROLLER ISSISISI®® NOVEMBER 1998 FEATURES • 80C51 based architecture • 4K x 8 ROM (IS80C51 only) • 128 x 8 RAM • Two 16-bit Timer/Counters • Full duplex serial channel • Boolean processor • Four 8-bit I/O ports, 32 I/O lines • Memory addressing capability – 64K ROM and 64K RAM • Power save modes: – Idle and power-down • Six interrupt sources • Most instructions execute in 0.3 µs • CMOS and TTL compatible • Maximum speed: 40 MHz @ Vcc = 5V • Industrial temperature available • Packages available: – 40-pin DIP – 44-pin PLCC – 44-pin PQFP GENERAL DESCRIPTION The ISSI IS80C51 and IS80C31 are high-performance microcontrollers fabricated using high-density CMOS technology.