Cypress STK17T88 Computer Hardware User Manual


 
STK17T88
Document Number: 001-52040 Rev. *A Page 9 of 22
Figure 10. Software Store/Recall Cycle: E CONTROLLED
[13]
Software-Controlled STORE/RECALL Cycle
In the following table, the software controlled STORE and RECALL cycle parameters are listed.
[12, 13]
NO.
Symbols
Parameter
STK17T88-35 STK17T88-45
Units Notes
E Cont Alternate Min Max Min Max
26 t
AVAV
t
RC
STORE / RECALL Initiation Cycle Time 25 45 ns 13
27 t
AVEL
t
AS
Address Set-up Time 0 0 ns
28 t
ELEH
t
CW
Clock Pulse Width 20 30 ns
29 t
EHAX
Address Hold Time 1 1 ns
30 t
RECALL
RECALL Duration 100 100 ms
26
26
27
28
29
23 30
Notes
12. The software sequence is clocked on the falling edge of E
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.
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