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STK14D88
Document Number: 001-52037 Rev. **
Page 7 of 17
AutoStore/POWER UP RECALL
No.
Symbols
Alt.
Parameter
STK14D88
Unit
Notes
Min
Max
22
tRECALL
Power up RECALL Duration
20
ms
10
23
tSTORE
tHLHZ
STORE Cycle Duration
12.5
ms
11, 12
24
VSWITCH
Low Voltage Trigger Level
2.65
V
25
VCCRISE
Vcc Rise Time
150
μs
Figure 8. AutoStore /POWER UP RECALL
Note: Read and Write cycles are ignored during STORE, RECALL, and while VCC is below VSWITCH
22
23
23
22
22
Notes
10. tHRECALL starts from the time VCC rises above VSWITCH.
11. If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place.
12. Industrial Grade Devices require 15 ms Max.
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