Cypress STK14D88 manual Software-Controlled STORE/RECALL Cycle13

STK14D88

Software-Controlled STORE/RECALL Cycle[13, 14]

No.

Symbols

Parameter

STK14D88-25

STK14D88-35

STK14D88-45

Unit

Notes

Alternate

E Cont

Min

Max

Min

Max

Min

Max

26

tAVAV

tRC

STORE/RECALL Initiation Cycle Time

25

35

45

ns

14

27

tAVEL

tAS

Address Setup Time

0

0

0

ns

28

tELEH

tCW

Clock Pulse Width

20

25

30

ns

29

tEHAX

Address Hold Time

1

1

1

ns

30

tRECALL

RECALL Duration

50

50

50

μs

Figure 9. E and G Controlled Software STORE/RECALL Cycle[14]

ADDRESS

E

DQ (DATA

tAVAV26

ADDRESS #1

tAVEL27 tELEH28

tELAX29

DATA VALID

tAVAV26

ADDRESS #6

tSTORE23 / tRECALL30

HIGH IMPEDANCE

DATA VALID

Notes

13.The software sequence is clocked on the falling edge of E controlled READs.

14.The six consecutive addresses must be read in the order listed in the software STORE/RECALL Mode Selection Table. W must be high during all six consecutive cycles.

Document Number: 001-52037 Rev. ** Page 8 of 17

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