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STK17TA8
Document #: 001-52039 Rev. ** Page 8 of 23
AutoStore/Power Up Recall
Figure 9. AutoStore/Power Up RECALL
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 will take place
11. Industrial Grade Devices require 15 ms MAX.
NO.
Symbols
Parameter
STK17TA8
Units Notes
Standard Alternate Min Max
22 t
HRECALL
Power-up RECALL Duration 40 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
NOTE: Read and Write cycles will be ignored during STORE, RECALL and while V
CC
is below V
SWITCH
25
23 23
22
22
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