NEC PD78058F(A) Manuale Utente

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Pin Name

Input/Output

Function

RESET

Input

PROM programming mode setting.

When +5 V or +12.5 V is applied to the V

PP

 pin or a low level voltage is applied to the RESET pin,

the PROM programming mode is set.

V

PP

Input

High-voltage application for PROM programming mode setting and program write/verify.

A0 to A16

Input

Address bus

D0 to D7

Input/output

Data bus

CE

Input

PROM enable input/program pulse input

OE

Input

Read strobe input to PROM

PGM

Input

Program/program inhibit input in PROM programming mode

V

DD

—

Positive power supply

V

SS

—

Ground potential