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UPD7554A

Part Number	UPD7554A
Manufacturer	NEC
Description	4-BIT SINGLE-CHIP MICROCOMPUTER
Published	Dec 21, 2017
Detailed Description	DATA SHEET MOS INTEGRATED CIRCUIT µPD7554A, 7554A(A) 4-BIT SINGLE-CHIP MICROCOMPUTER DESCRIPTION The µPD7554A is a prod...
Datasheet	UPD7554A PDF File

Overview

DATA SHEET MOS INTEGRATED CIRCUIT µPD7554A, 7554A(A) 4-BIT SINGLE-CHIP MICROCOMPUTER DESCRIPTION The µPD7554A is a product of the µPD7554, 7564 sub-series which is a 4-bit single-chip microcomputer with a small number of ports in a small package, which is enabled to operate even at the super-low voltage of 2.
0 V so that it is optimized for handy-type systems operating with dry cells.
The µPD7554A is a low-order model in the µPD7500 series (µPD7554A only).
This device incorporates a serial interface, and serves as the sub-CPU for a high-order model of that series or the 8-bit microcomputer.
It is optimized for distributed processing of the system.
The µPD7554A has outputs to directly drive a...

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