U633H04SK45 데이터 시트보기 (PDF) - Zentrum Mikroelektronik Dresden AG

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U633H04SK45

PowerStore 512 x 8 nvSRAM

Zentrum Mikroelektronik Dresden AG 

U633H04

Preliminary

PowerStore and automatic Power Up RECALL

VCAP

5.0 V

VSWITCH AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

PowerStore

Power Up

RECALL

W

DQi

24

tRESTORE

tPD ST OR

p

E

t

24

tRESTORE

tDELAYp

POWER UP BROWN OUT

BROWN OUT

RECALL NO STORE

PowerStore

(NO SRAM WRITES)

Hardware Controlled Store

HSB

28

tw(H)Sq

DQi

Output

26

tdis(H)S

Previous Data Valid

27

ten(H)S

High Impedance

25

td(H)S

p:

tPDSTORE approximate td(E)S or td(H)S; tDELAY approximate tdis(H)S.

q:

After tw(H)S HSB is hold down internal by STORE operation.

r, s, t, u, v, w reserved for future development

Data Valid

8

December 12, 1997

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