STK14D88
AutoStore™/POWER-UP RECALL
SYMBOLS
NO.
Standard
Alternate
PARAMETER
MIN
MAX
STK14D88
UNITS
NOTES
22
23
24
25
t
HRECALL
t
STORE
V
SWITCH
V
CCRISE
t
HLHZ
Power-up
RECALL
Duration
STORE
Cycle Duration
20
12.5
2.65
150
ms
ms
V
μ
s
i
j,k
Low Voltage Trigger Level
V
CC
Rise Time
Note i: t
HRECALL
starts from the time V
CC
rises above V
SWITCH
Note j: If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place
Note k: Industrial Grade Devices require 15 ms MAX.
AutoStore™/POWER-UP RECALL
STORE
occurs only if a
SRAM write has
happened.
No
STORE
occurs
without at least one
SRAM write.
V
CC
24
V
SWITCH
25
t
VCCRISE
AutoStore
TM
23
t
STORE
23
t
STORE
POWER-UP
RECALL
22
t
HRECALL
22
t
HRECALL
Read & Write Inhibited
POWER-UP
RECALL
BROWN OUT
TM
AutoStore
POWER-UP
RECALL
POWER DOWN
TM
AutoStore
Note: Read and Write cycles will be ignored during STORE, RECALL and while V
CC
is below V
SWITCH
Document Control #ML0033 Rev 2.0
Jan 2008
7
SIMTEK [ SIMTEK CORPORATION ]
