UPD4991ACX Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

fabricante

UPD4991ACX

4-BIT PARALLEL I/O CALENDAR CLOCK

NEC => Renesas Technology 

Write Cycle (VDD = 2.7 to 3.6 V, Ta = –40 to +85 °C)

PARAMETER

Cycle Time

CS-WE Reset Time

Address-WE Reset Time

Address-WE Setup Time

Write Pulse Width

Address Hold Time

Input Data Setup Time

Input Data Hold Time

WE-Output Floating Time

SYMBOL MIN.

tWC

210

tCW

170

tAW

170

tAS

0

tWP

30

tWR

20

tDW

100

tDH

tWHZ

TYP.

0

MAX. UNIT

ns

70

µPD4991A

CONDITIONS

6

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