U635H64

8

March 31, 2006

STK Control #ML0052

Rev 1.0

PowerStore and automatic Power Up RECALL

o:

The software sequence is clocked with E controlled READs.

p:

Once the software controlled STORE or RECALL cycle is initiated, it completes automatically, ignoring all inputs.

q:

r:

s:

Noise on the E pin may trigger multiple READ cycles from the same address and abort the address sequence.

t:

the end of the low pulse, however the STORE or RECALL will still be initiated.

No.

Software Controlled STORE/

Symbol

25

35

45

Unit

Alt.

IEC

Min. Max. Min. Max. Min. Max.

27

STORE/RECALL Initiation Time

25

35

45

ns

28

600

600

600

ns

29

10

10

10

ms

30

20

20

20

μs

31

000

ns

32

20

25

35

ns

33

000

ns

5.0 V

t

PowerStore

Power Up

W

DQi

POWER UP

RECALL

BROWN OUT

BROWN OUT

PowerStore

(NO SRAM WRITES)

RECALL

(24)

(24)

p

(25)

(26)

NO STORE