8 / 23 page
STK17TA8
Document #: 001-52039 Rev. **
Page 8 of 23
AutoStore/Power Up Recall
Figure 9. AutoStore/Power Up RECALL
Notes
9. tHRECALL starts from the time VCC rises above VSWITCH
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
tHRECALL
Power-up RECALL Duration
40
ms
9
23
tSTORE
tHLHZ
STORE Cycle Duration
12.5
ms
10,11
24
VSWITCH
Low Voltage Trigger Level
2.65
V
25
VCCRISE
VCC Rise Time
150
μS
NOTE: Read and Write cycles will be ignored during STORE, RECALL and while VCC is below VSWITCH
25
23
23
22
22
[+] Feedback