STK16C68-W20 データシートの表示（PDF） - Simtek Corporation
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STK16C68-W20 Datasheet PDF : 9 Pages
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AutoStorePlus™/POWER-UP RECALL
SYMBOLS
NO.
Standard
PARAMETER
22
tRESTORE
23
tFB
24
VSWITCH
25
VRESET
Power-up RECALL Duration
Maximum VCC Slew Time to Ground
Low Voltage Trigger Level
Low Voltage Reset Level
Note l: tRESTORE starts from the time VCC rises above VSWITCH.
AutoStorePlus™/POWER-UP RECALL
VCC
5V
24
VSWITCH
25
VRESET
AutoStore™
OWER-UP RECALL
W
22
tRESTORE
DQ (DATA OUT)
STK16C68
(VCC = 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
tFB
POWER-UP
BROWN OUT
RECALL NO STORE DUE TO
NO SRAM WRITES
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
BROWN OUT
AutoStorePlus™
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
BROWN OUT
AutoStorePlus™
RECALL WHEN
VCC RETURNS
ABOVE VSWITCH
July 1999
4-77
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