Cypress STK17TA8 Manual De Usuario

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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
23
t
STORE
t
HLHZ
STORE Cycle Duration
12.5
ms
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