U637256 Просмотр технического описания (PDF) - Unspecified
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U637256 Datasheet PDF : 14 Pages
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Recommended
Operating Conditions
Power Supply Voltage
Input Low Voltage
Input High Voltage
U637256
Symbol
Conditions
VCC
VIL
-2 V at Pulse Width
10 ns permitted
VIH
Min.
4.5
-0.3
2.2
Max.
5.5
0.8
VCC+0.3
Unit
V
V
V
DC Characteristics
Operating Supply Currentb
Average Supply Current duringc
STORE
Operating Supply Currentb
at tcR = 200 ns
(Cycling CMOS Input Levels)
Standby Supply Currentd
(Cycling TTL Input Levels)
Standby Supply Curentd
(Stable CMOS Input Levels)
Symbol
ICC1
ICC2
ICC3
ICC(SB)1
ICC(SB)
Conditions
VCC
= 5.5 V
VIL
= 0.8 V
VIH
= 2.2 V
tc
= 70 ns
VCC
= 5.5 V
E
≤ 0.2 V
W
≥ VCC-0.2 V
VIL
≤ 0.2 V
VIH
≥ VCC-0.2 V
VCC
= 5.5 V
W
≥ VCC-0.2 V
VIL
≤ 0.2 V
VIH
≥ VCC-0.2 V
VCC
= 5.5 V
E
= VIH
tc
= 70 ns
VCC
= 5.5 V
E
≥ VCC-0.2 V
VIL
≤ 0.2 V
VIH
≥ VCC-0.2 V
C-Type
K-Type
Unit
Min. Max. Min. Max.
60
65 mA
6
7 mA
15
15 mA
20
22 mA
3
3 mA
b: ICC1 and ICC3 are depedent on output loading and cycle rate. The specified values are obtained with outputs unloaded.
The current ICC1 is measured for WRITE/READ - ratio of 1/2.
c: ICC2 is the average current required for the duration of the SoftStore STORE cycle.
d: Bringing E ≥ VIH will not produce standby current levels until a software initiated nonvolatile cycle in progress has timed out.
See MODE SELECTION table. The current ICC(SB)1 is measured for WRITE/READ - ratio of 1/2.
March 31, 2006
STK Control #ML0054
3
Rev 1.0
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