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UPD75P238

NEC
Part Number UPD75P238
Manufacturer NEC
Description 4-BIT SINGLE CHIP MICROCOMPUTER
Published Apr 16, 2005
Detailed Description DATA SHEET MOS INTEGRATED CIRCUIT µPD75P238 4-BIT SINGLE CHIP MICROCOMPUTER DESCRIPTION The µPD75P238 is a version o...
Datasheet PDF File UPD75P238 PDF File

UPD75P238
UPD75P238

Overview
DATA SHEET MOS INTEGRATED CIRCUIT µPD75P238 4-BIT SINGLE CHIP MICROCOMPUTER DESCRIPTION The µPD75P238 is a version of the µPD75238 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 deviceproduction 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.
µPD75238 User's Manual : IEU-731 The µPD75P238 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 µPD75238 pin compatible o On-chip PROM: 32640 × 8 o On-chip RAM: 1024 × 4 o High-voltage display outputs .
S0 to S8 & T0 to T9 : Internal pull-down ...


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