Product Summary
The CP82C55A-5Z is a high performance CMOS version of the industry standard 8255A and is manufactured using a self-aligned silicon gate CMOS process (Scaled SAJI IV). The CP82C55A-5Z is a general purpose programmable I/O device which may be used with many different microprocessors. The CP82C55A-5Z is 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. The high performance and industry standard configuration of the CP82C55A-5Z make it compatible with the 80C86, 80C88 and other microprocessors.
Parametrics
CP82C55A-5Z absolute maximum ratings: (1)Supply Voltage: +8.0V; (2)Input, Output or I/O Voltage: GND-0.5V to VCC+0.5V; (3)ESD Classification: Class 1; (4)Voltage Range: +4.5V to 5.5V; (5)Operating Temperature Range: 0 to 70℃.
Features
CP82C55A-5Z features: (1)Pb-Free Plus Anneal Available (RoHS Compliant); (2)Pin Compatible with NMOS 8255A; (3)24 Programmable I/O Pins; (4)Fully TTL Compatible; (5)High Speed, No wait State Operation with 5MHz and 8MHz 80C86 and 80C88; (6)Direct Bit Set/Reset Capability; (7)Enhanced Control Word Read Capability; (8)L7 Process; (9)2.5mA Drive Capability on All I/O Ports; (10)Low Standby Power (ICCSB): 10μA.
Diagrams

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![]() Peripheral Drivers & Components (PCIs) W/ANNEAL PERIPH PRG- I/O 5V 5MHZ COM |
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(Hong Kong)












