UPD75104A 4-BIT SINGLE-CHIP MICROCOMPUTER

NEC

Description

DATA SHEET MOS INTEGRATED CIRCUIT µPD75104A, 75108A 4-BIT SINGLE-CHIP MICROCOMPUTER .
µPD75108A is a 4-bit single-chip CMOS microcomputer having a data processing capability comparable to that of an 8-bit microcomputer.

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Datasheet Specifications

Part number: UPD75104A
Manufacturer: NEC
File Size: 460.35 KB
Datasheet: UPD75104A_NEC.pdf
Description: 4-BIT SINGLE-CHIP MICROCOMPUTER

Features

* Internal memory
* Program memory (ROM) : 8064 × 8 bits (µ PD75108A) : 4096 × 8 bits (µ PD75104A)
* Data memory (RAM) : 512 × 4 bits ( µPD75108A) : 320 × 4 bits ( µPD75104A)
* Architecture “75X” rivaling 8-bit microcomputers
* 43 systematically organized inst

Applications

* 2 µPD75104A, 75108A FUNCTIONAL OUTLINE Item Number of Basic Instructions Minimum Instruction Execution Time ROM Internal Memory RAM General-Purpose Register Accumulator 8064 × 8 bits (µPD75108A), 4096 × 8 bits (µPD75104A) 512 × 4 bits (µPD75108A), 320 × 4 bits (µPD75104A) (4 bits × 8 ) × 4 banks

UPD75104A Distributors

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UPD75104A 4-BIT SINGLE-CHIP MICROCOMPUTER NEC

NEC UPD75104A-like datasheet