STK14CA8
AutoStore™ /POWER-UP RECALL
SYMBOLS
NO.
PARAMETER
STK14CA8
UNITS
NOTES
Standard
Alternate
MIN
MAX
22
23
24
25
tHRECALL
20
ms
ms
V
l
Power-up RECALL Duration
tSTORE
tHLHZ
12.5
2.65
m
STORE Cycle Duration
VSWITCH
tVCCRISE
2.55
150
Low Voltage Trigger Level
µs
V
CC Rise Time
Notes
l: tHRECALL starts from the time VCC rises above VSWITCH
m: If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place
STORE occurs only if a
SRAM write has
happened.
No STORE occurs
without at least one
SRAM write.
AutoStore™/POWER-UP RECALL
VCC
24
VSWITCH
25
tVCCRISE
AutoStoreTM
23
tSTORE
23
tSTORE
POWER-UP RECALL
22
tHRECALL
22
tHRECALL
Read & Write Inhibited
POWER DOWN
BROWN OUT
POWER-UP
RECALL
POWER-UP
RECALL
AutoStoreTM
AutoStoreTM
Note: Read and Write cycles will be ignored during STORE, RECALL and while VCC is below VSWITCH.
December 2004
8
Document Control #ML0022 rev 1.0
SIMTEK [ SIMTEK CORPORATION ]
