Datasheet4U Logo Datasheet4U.com

UM82C55A Datasheet - UMC

CMOS PROGRMMABLE PERIPHERAL INTERFACE

UM82C55A Features

* Pin compatible with NMOS 8255A

* 24 programmable I/O pins

* Fully TTL compatible

* Bus-hold circuitry on all I/O ports eliminates pull-up resistors

* High speed, no "wait state" operation with 8M Hz 80C86

* Direct bit set/reset capabi lity

UM82C55A General Description

The UM82C55A is a high performance CMOS version of the industry standard 8255A and is manufactured using a selfaligned silicon gate CMOS process. It is a general purpose programmable I/O device which may be used with many different microprocessors. There are 24 I/O pins which may be individually pro.

UM82C55A Datasheet (718.23 KB)

Preview of UM82C55A PDF

Datasheet Details

Part number:

UM82C55A

Manufacturer:

UMC

File Size:

718.23 KB

Description:

Cmos progrmmable peripheral interface.

📁 Related Datasheet

UM82C54 CMOS PROGRAMMABLE INTERVAL TIMER (UMC)

UM82C54-2 CMOS PROGRAMMABLE INTERVAL TIMER (UMC)

UM82C01 Capacitance Keyboard Encoder (UMC)

UM82C088 PC/XT INTEGRATION CHIP (UMC)

UM82C11 Printer Adapter Interface (UMC)

UM82C11-C Printer Adapter Interface (UMC)

UM82C206 Integrated Peripheral Controller (UMC)

UM82C232 DATA BUFFER (UMC)

UM82C284 Clock Generator and Ready Interface (UMC)

UM82C288 Bus Controller (UMC)

TAGS

UM82C55A CMOS PROGRMMABLE PERIPHERAL INTERFACE UMC

Image Gallery

UM82C55A Datasheet Preview Page 2 UM82C55A Datasheet Preview Page 3

UM82C55A Distributor