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UPD75P238KF Datasheet

  • UPD75P238KF

  • 4-BIT SINGLE CHIP MICROCOMPUTER

  • 50頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD75P238
4-BIT SINGLE CHIP MICROCOMPUTER
DESCRIPTION
The
碌
PD75P238 is a version of the
碌
PD75238 in which the on-chip mask ROM is replaced by one-time PROM or
EPROM.
The one-time PROM version can be written to once only, and is useful for short-run and multiple device-
production of sets and early start-up. Also, the EPROM version allows programs to be written and rewritten, and
is thus ideal for system evaluation.
Functions are described in detail in the following User's Manual, which should be read when carrying out design
work.
碌
PD75238 User's Manual : IEU-731
The
碌
PD75P238 EPROM product does not provide a level of reliability suitable for use as a volume
production product for users' devices. The EPROM product should be used solely for function evaluation
in experiments of preproduction.
FEATURES
o
碌
PD75238 pin compatible
o On-chip PROM: 32640
脳
8
o On-chip RAM: 1024
脳
4
o High-voltage display outputs
. S0 to S8 & T0 to T9
: Internal pull-down resistors
. S9, S16 to S23 & T10 to T15: Open-drain
o Drive capability in same supply voltage range as mask version
碌
PD75238 (2.7 to 6.0 V)
o Ports 4 & 5: No pull-up resistor
o Port 7: No pull-down resistor
Note
USE
VCR, Audio-visual, ECR, Microwave oven
No internal pull-up and pull-down resistor function by mask option.
ORDERING INFORMATION
Ordering Code
Package
94-pin plastic QFP(s 20 mm)
s
94-pin ceramic WQFN
On-Chip ROM
One-time PROM
EPROM
Quality Grade
Standard
Standard
碌
PD75P238GJ-5BG
碌
PD75P238KF
Please refer to 鈥淨uality grade on NEC Semiconductor Devices鈥?(Document number IEI-1209) published by
NEC Corporation to know the specification of quality grade on the devices and its recommended applications.
This manual describes common parts of One-time PROM and EPROM products as PROM.
The information in this document is subject to change without notice.
Document No. IC-2596A
(O.D. No. IC-8014A)
Date Published February 1994 P
Printed in Japan
The mark
5
shows major revised points.
漏 NEC Corporation 1992

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