STK16C68 Datasheet, PDF (5/9 Pages) List of Unclassifed Manufacturers – 8K x 8 AutoStorePlus™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM

AutoStorePlus™/POWER-UP RECALL
SYMBOLS
NO.
Standard
PARAMETER
22
t_RESTORE
23
t_FB
24
V_SWITCH
25
V_RESET
Power-up RECALL Duration
Maximum V_CC Slew Time to Ground
Low Voltage Trigger Level
Low Voltage Reset Level
Note l: t_RESTORE starts from the time V_CC rises above V_SWITCH.
AutoStorePlus™/POWER-UP RECALL
V_CC
5V
24
V_SWITCH
25
V_RESET
AutoStore™
OWER-UP RECALL
W
22
t_RESTORE
DQ (DATA OUT)
STK16C68
(V_CC = 5.0V ± 10%)^b
STK16C68
MIN MAX
550
500
UNITS NOTES
µs
l
ns
f, h
4.0
4.5
V
3.9
V
f
23
t_FB
POWER-UP
BROWN OUT
RECALL NO STORE DUE TO
NO SRAM WRITES
NO RECALL
(V_CC DID NOT GO
BELOW V_RESET)
BROWN OUT
AutoStorePlus™
NO RECALL
(V_CC DID NOT GO
BELOW V_RESET)
BROWN OUT
AutoStorePlus™
RECALL WHEN
V_CC RETURNS
ABOVE V_SWITCH
July 1999
4-77