Cypress STK17T88 Manual De Usuario
STK17T88
Document Number: 001-52040 Rev. *A
Page 8 of 22
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.
11. Industrial Grade Devices require 15 ms Max.
NO.
Symbols
Parameter
STK17T88
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