U635H16 데이터 시트보기 (PDF) - Simtek Corporation

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U635H16

PowerStore 2K x 8 nvSRAM

Simtek Corporation 

Software Controlled STORE/RECALL Cycles, t, u, v (E = HIGH after STORE initiation)

Ai

E

DQi

Output

tcR (27)

ADDRESS 1

(31)

tsu(A)SR

tw(E)SR

(32)

(33) th(A)SR

High Impedance

VALID

tcR (27)

ADDRESS 6

(31)

tw(E)SR

(32)

(33) th(A)SR

tdis(E) (5)

tsu(A)SR td(E)R (29)

td(E)S(30)

VALID

tdis(E)SR (28)

U635H16

Software Controlled STORE/RECALL Cycles, t, u, v (E = LOW after STORE initiation)

Ai

E

DQi

Output

tcR (27)

ADDRESS 1

tsu(A)SR

tw(E)SR

(32)

(31)

(33) th(A)SR

High Impedance VALID

ADDRESS 6

(33) th(A)SR

(31)

tsu(A)SR

td(E)S (29) td(E)R (30)

VALID

tdis(E)SR (28)

u: W must be HIGH when E is LOW during the address sequence in order to initiate a nonvolatile cycle. G may be either HIGH or LOW

throughout. Addresses 1 through 6 are found in the mode selection table. Address 6 determines whether the U635H16 performs a STORE

or RECALL.

v: E must be used to clock in the address sequence for the software controlled STORE and RECALL cycles.

March 31, 2006

STK Control #ML0050

9

Rev 1.0

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