nvSRAM Specification Sheet

STK14CA8
Document Number: 001-51592 Rev. ** Page 7 of 16
AutoStore/POWER UP RECALL
t
Figure 10. AutoStore/POWER UP RECALL
Note Read and Write cycles are ignored during STORE, RECALL, and while V
CC
is below V
SWITCH.
NO.
Symbols
Parameter
STK14CA8
Units Notes
Standard Alternate Min Max
22
t
HRECALL
Power up RECALL Duration 20 ms 9
23
t
STORE
t
HLHZ
STORE Cycle Duration 12.5 ms 10, 11
24
V
SWITCH
Low Voltage Trigger Level 2.65 V
25
V
CCRISE
V
CC
Rise Time 150 μs
Notes
9. t
HRECALL
starts from the time V
CC
rises above V
SWITCH
10. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE takes place
11. Industrial Grade devices require maximum 15 ms.
25
23 23
22
22
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