UPD75P048

DATA SHEET MOS INTEGRATED CIRCUIT µPD75P048 4-BIT SINGLE-CHIP MICROCOMPUTER DESCRIPTION The µPD75P048 is a One-Time PROM version of the µPD75048. The µPD75P048 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. µPD75048 User’s Manual: IEU-1278 FEATURES The µPD75048 compatible The µPD75P048 for evaluation/pre-production, while the µPD75048 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 (VDD = 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 Standard µPD75P048CW µPD75P048GC-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 5 shows major r...