UPD75P048GC-AB8 datasheet, PDF

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UPD75P048GC-AB8: Description4-BIT SINGLE-CHIP MICROCOMPUTER; File Size254KB，40 Pages; ManufacturerNEC ( Renesas ); Websitehttps://www2.renesas.cn/zh-cn/

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UPD75P048GC-AB8 Overview

4-BIT SINGLE-CHIP MICROCOMPUTER

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DATA SHEET

MOS INTEGRATED CIRCUIT

PD75P048

4-BIT SINGLE-CHIP MICROCOMPUTER

DESCRIPTION

The

PD75P048 is a One-Time PROM version of the

PD75048. The

PD75P048 is suitable for small-scale

production or experimental production in system development.

Detailed functions are described in the following user’s manual. Read this manual when designing your

system.

PD75048 User’s Manual: IEU-1278

FEATURES

•

The

PD75048 compatible

•

• The

PD75P048 for evaluation/pre-production, while the

PD75048 for mass-production

8064

8 bits of one-time programmable ROM

512

4 bits of RAM

1024

4 bits of EEPROM (Data memory area)

Ports 0 to 3 and 6 to 8 with software-selectable pull-up resistors

Port 9 with software-selectable pull-down resistors

12 N-channel open drain input/output ports (ports 4, 5, and 10)

Low-voltage operation possible (V

= 2.7 to 6.0 V)

ORDERING INFORMATION

Part number

Package

64-pin plastic shrink DIP (750 mil)

64-pin plastic QFP ( 14 mm)

Quality grade

Standard

PD75P048CW

PD75P048GC-AB8

Caution

Pull-up/pull-down resistor mask options are not available.

Please refer to "Quality grade on NEC Semiconductor Devices" (Document number IEI-1209) published by

NEC Corporation to know the specification of quality grade on the devices and its recommended applications.

The information in this document is subject to change without notice.

Document No. IC-3239

(O.D. No. IC-8720)

Date Published August 1994 P

Printed in Japan

The mark

shows major revised points.

1994

PD75P048

CONTENTS

1. PIN FUNCTIONS ·························································································································

1.1 PORT PINS ··········································································································································

1.2 NON-PORT PINS ·································································································································

1.3 PIN INPUT/OUTPUT CIRCUITS ········································································································ 10

2. DIFFERENCES BETWEEN THE

PD75P048 AND THE

PD75048 ······································· 13

3. PROM (PROGRAM MEMORY) WRITE AND VERIFY ····························································· 14

3.1 PROM WRITE AND VERIFY OPERATION MODE ·········································································· 14

3.2 PROM WRITE PROCEDURE ·············································································································· 15

3.3 PROM READ PROCEDURE ················································································································ 16

4. SCREENING OF ONE-TIME PROM MODEL ··········································································· 17

5. ELECTRICAL SPECIFICATIONS ·································································································· 18

6. PERFORMANCE CURVE (REFERENCE VALUE) ····································································· 32

7. PACKAGE DRAWINGS ··············································································································· 34

8. RECOMMENDED SOLDERING CONDITIONS ········································································· 36

APPENDIX A. DEVELOPMENT TOOLS ·························································································· 37

APPENDIX B. RELATED DOCUMENTS ·························································································· 38

UPD75P048GC-AB8 Related Products

	UPD75P048GC-AB8	UPD75P048CW	UPD75P048
Description	4-BIT SINGLE-CHIP MICROCOMPUTER	4-BIT SINGLE-CHIP MICROCOMPUTER	4-BIT SINGLE-CHIP MICROCOMPUTER

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