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UPD75P108B Datasheet

  • UPD75P108B

  • 4-BIT SINGLE-CHIP MICROCOMPUTER

  • 46頁(yè)

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD75P108B
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The
碌
PD75P108B is a version of the
碌
PD75108 in which the on-chip mask ROM is replaced by one-time
PROM which can be written to once only, or EPROM which is capable of program write, erasure and rewrite.
Also, since the
碌
PD75P108B is capable of program write by a user, it can easily be exchanged with the mask
version, allowing evaluation at low voltage.
Detailed functional descriptions are shown in the following User鈥檚 Manual. Be sure to read for designations.
碌
PD751脳脳 Series User鈥檚 Manual : IEM-922
FEATURES
鈥?/div>
Version with on-chip PROM, allowing low-voltage operation V
DD
= 2.7 to 6.0 V
鈥?/div>
碌
PD75108 compatible
鈥?/div>
Memory capacity
鈥?/div>
Program memory (PROM) : 8064
脳
8 bits
鈥?/div>
Data memory (RAM)
: 512
脳
4 bits
鈥?/div>
Correspondence to QTOP鈩?microcomputer
ORDERING INFORMATION
Ordering Code
Package
64-pin plastic shrink DIP (750 mil)
64-pin ceramic shrink DIP (with window)
64-pin plastic QFP (14
脳
20 mm, 1.0 mm pitch)
On-Chip ROM
One-time PROM
EPROM
One-time PROM
碌
PD75P108BCW
碌
PD75P108BDW
碌
PD75P108BGF-3BE
Note
5
There is no on-chip pull-up resistor function by means of a mask option.
QUALITY GRADE
Standard
Please refer to 鈥淨(jìng)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.
In this ducument, common parts of one-time PROM products and EPROM products are represented as
PROM.
The information in this document is subject to change without notice.
The mark
5
shows major revised points.
Document No. IC-2580C
(O. D. No.
IC-7987C)
Date Published December 1993 P
Printed in Japan
漏 NEC Corporation 1989

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