Cypress CY14B104LA, Техническое описание

Страница: 14 / 23

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.
[24, 25]
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
μ
s
Switching Waveforms
Figure 12. CE and OE Controlled Software STORE/RECALL Cycle
[25]
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
Table 1 on page 5. WE must be HIGH during all six consecutive cycles.
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