Cypress STK17TA8 manual Software-Controlled STORE/RECALL Cycle

STK17TA8

Software-Controlled STORE/RECALL Cycle

In the following table, the software controlled STORE and RECALL cycle parameters are listed. [12, 13]

NO.

Symbols

Parameter

STK17TA8-35

STK17TA8-45

Units

Notes

E Cont

G Cont

Alternate

Min

Max

Min

Max

26

tAVAV

tAVAV

tRC

STORE / RECALL Initiation Cycle

25

45

ns

13

Time

27

tAVEL

tAVGL

tAS

Address Set-up Time

0

0

ns

28

tELEH

tGLGH

tCW

Clock Pulse Width

20

30

ns

29

tEHAX

tGHAX

Address Hold Time

1

1

ns

30

tRECALL

tRECALL

RECALL Duration

100

100

μs

Figure 10. Software STORE/RECALL Cycle:

CONTROLLED[13]

E

26

26

27

28

29

23

30

Figure 11. Software STORE/RECALL Cycle: G Controlled[13]

26 26

2728

23 30

29

Notes

12.The software sequence is clocked on the falling edge of E controlled READs or G controlled READs

13.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 #: 001-52039 Rev. ** Page 9 of 23

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