Cypress CY14B104LA Manuel D’Utilisation
PRELIMINARY
CY14B104LA, CY14B104NA
Document #: 001-49918 Rev. *A
Page 14 of 23
Software Controlled STORE/RECALL Cycle
In the following table, the software controlled STORE and RECALL cycle parameters are listed.
Parameters
Description
20 ns
25 ns
45 ns
Unit
Min
Max
Min
Max
Min
Max
t
RC
STORE/RECALL Initiation Cycle Time
20
25
45
ns
t
SA
Address Setup Time
0
0
0
ns
t
CW
Clock Pulse Width
15
20
30
ns
t
HA
Address Hold Time
0
0
0
ns
t
RECALL
RECALL Duration
200
200
200
μs
Switching Waveforms
Figure 12. CE and OE Controlled Software STORE/RECALL Cycle
Figure 13. AutoStore Enable/Disable Cycle
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66
Notes
24. The software sequence is clocked with CE controlled or OE controlled reads.
25. The six consecutive addresses must be read in the order listed in
25. The six consecutive addresses must be read in the order listed in
on page 5. WE must be HIGH during all six consecutive cycles.