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. **

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Cypress STK17TA8 manual Software-Controlled STORE/RECALL Cycle