STK25C48-45 データシートの表示（PDF） - Unspecified
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コンポーネント説明
一致するリスト
STK25C48-45 Datasheet PDF : 8 Pages
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AutoStore™/POWER-UP RECALL
SYMBOLS
NO.
Standard
PARAMETER
22
tRESTORE
23
tSTORE
24
tDELAY
25
VSWITCH
26
VRESET
Power-up RECALL Duration
STORE Cycle Duration
Time Allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
Note l: tRESTORE starts from the time VCC rises above VSWITCH.
AutoStore™/POWER-UP RECALL
VCC
25 5V
VSWITCH
26
VRESET
AutoStore™
OWER-UP RECALL
W
22
tRESTORE
DQ (DATA OUT)
24
tDELAY
STK25C48
(VCC = 5.0V ± 10%)b
STK25C48
MIN MAX
UNITS NOTES
550
µs
l
10
ms
h
1
µs
h
4.0
4.5
V
3.6
V
f
23
tSTORE
POWER-UP
BROWN OUT
RECALL NO STORE DUE TO
NO SRAM WRITES
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
BROWN OUT
AutoStore™
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
BROWN OUT
AutoStore™
RECALL WHEN
VCC RETURNS
ABOVE VSWITCH
July 1999
3-35
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