National Semiconductor COP424C COP425C COP426C COP324C COP325C COP326C COP444C COP445C COP344C COP345C Single-Chip 1k 2k CMOS Microcontrollers handbook

COP424C, COP425C, COP426C, COP324C, COP325C, COP326C and COP444C, COP445C, COP344C, COP345C Single-Chip 1k and 2k CMOS Microcontrollers


National Semiconductor COP424C COP425C COP426C COP324C COP325C COP326C COP444C COP445C COP344C COP345C Single-Chip 1k 2k CMOS Microcontrollers handbook  - cover page
Brand
National Semiconductor
Category
microcontrollers
Document type
Datasheet
Language
English
Pages
24
File format
PDF
File size
341 KB
Published
04 July, 2012
Updated
30 September, 2023
MD5 checksum
D1625153159717BE56F503321FBD7196

About this manual

This document provides detailed specifications for the COP4xx and COP3xx family of fully static, Single-Chip CMOS Microcontrollers. These Controller Oriented Processors are complete microcomputers containing system timing, internal logic, ROM, RAM, and I/O necessary to implement dedicated control functions in various applications.

What's inside

  • General Description
  • Features
  • Absolute Maximum Ratings
  • DC Electrical Characteristics
  • AC Electrical Characteristics
  • Microbus Timing

Specifications

Operating Voltage (COP4xx)2.4V to 5.5V
Operating Voltage (COP3xx)3.0V to 5.5V
Supply Current (Idle, COP4xx)120 mA @ 2.4V
Instruction Cycle Time (Max)4 ms
ROM Size (COP4xx)2k x 8 bits
RAM Size (COP4xx)64 x 4 bits
I/O Lines (COP4xx)23 lines

Frequently asked questions

What is the operating voltage range for the COP424C/COP444C microcontrollers?

The operating voltage range is 2.4V to 5.5V.

What is the maximum supply current for the COP424C when the clock cycle time is 4ms?

The maximum supply current is 3000 mA.

What is the maximum supply voltage for these microcontrollers?

The maximum supply voltage is 6V.

Download PDF (341 KB)

More National Semiconductor Manuals


View all National Semiconductor manuals →