CY14B512P Datasheet, PDF (30/36 Pages) Cypress Semiconductor – 512-Kbit (64 K × 8) Serial (SPI) nvSRAM with Real Time Clock

CY14B512P
Software Controlled STORE/RECALL Cycles
Parameter
t_RECALL
t_SS ^{[20, 21]}
Description
RECALL duration
Soft sequence processing time
CY14B512P
Unit
Min
Max
–
200
µs
–
100
µs
Figure 28. Software STORE Cycle^[21]
Figure 29. Software RECALL Cycle^[21]
CS
SCK
SI
RWI
RDY
01 234567
00111100
HI-Z
tSTORE
CS
SCK
SI
RWI
RDY
01 234567
0 11
00000
tRECALL
HI-Z
Figure 30. AutoStore Enable Cycle
Figure 31. AutoStore Disable Cycle
CS
SCK
SI
RWI
RDY
01234567
0101100 1
tSS
HI-Z
CS
SCK
SI
RWI
RDY
01 234567
00011001
tSS
HI-Z
Notes
20. This is the amount of time it takes to take action on a soft sequence command. Vcc power must remain HIGH to effectively register command.
21. Commands such as STORE and RECALL lock out IO until operation is complete which further increases this time. See the specific command.
Document #: 001-53872 Rev. *E
Page 30 of 36
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