MB88305 - NMOS Input / Output Expander

This page provides the datasheet information for the MB88305, a member of the MB88304 NMOS Input / Output Expander family.

Product Overview

Fujitsu

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Datasheet Details

Part number	MB88305
Manufacturer	Fujitsu
File Size	572.35 KB
Description	NMOS Input / Output Expander
Datasheet	MB88305 Datasheet
Additional preview pages of the MB88305 datasheet.

MB88305 Product details

Description

The MB 88304/88305 have two interfaces: One is the processor interface; C$, LDI, and DI3-DI0, which are used for the processor to communicate with the MB 88304/5 devices.

Another is the expansion I/O ports; Ports A, B, C, and D, which serve as an expansion of the processor's I/O.

Features

Four 4-bit I/O ports (16 lines).
Four Functions: parallel input, parallel output, AND output, and OR output.
AND and OR functions provide individual output capability.
Single-bit input/output: Input and output can be intermixed on each port.
High output drive.
Built-in power-on reset circuit.
CS pin for simplified input/output expansion.
Two output circuit types: Open-drain output (MB 88304) 3-state output (MB 88305).

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Published: Dec 24, 2018 |