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UPD75P068GB-3B4 Datasheet(PDF) 1 Page - NEC |
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UPD75P068GB-3B4 Datasheet(HTML) 1 Page - NEC |
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1 / 40 page  The µPD75P068 is produced by replacing the internal mask ROM of the µPD75068 with a one-time PROM in which data can be written once. The following user's manual describes the details of the functions of the µPD75P068. Be sure to read it before designing an application system. µPD75068 User's Manual: IEU-1366 FEATURES • Compatible with the µPD75068 • Can be replaced with the µPD75068 containing mask ROM on a full-production basis. • Internal one-time PROM: 8064 words × 8 bits • Internal RAM: 512 words × 4 bits • Internal pull-up resistors can be specified with software: Ports 0 to 3 and 6 • N-ch open-drain input-output: Ports 4 and 5 • Can operate at low voltage: VDD = 2.7 to 6.0 V ORDERING INFORMATION Part number Package Quality grade µPD75P068CU 42-pin plastic shrink DIP (600 mil) Standard µPD75P068GB-3B4 44-pin plastic QFP (Square 10 mm) Standard Caution The µPD75P068 is not provided with mask-selected pull-up resistors. Please refer to "Quality Grades 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. DATA SHEET MOS INTEGRATED CIRCUIT µPD75P068 Document No. IC-3290A (O.D. No. IC-8623A Date Published April 1994 P Printed in Japan 4 BIT SINGLE-CHIP MICROCOMPUTER © 1990 The information in this document is subject to change without notice. Major changes in this revision are indicated by stars (5) in the margins. NEC CORPORATION 1993 |
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