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U635H64BSC45G1 Datasheet(PDF) 3 Page - Simtek Corporation

Part # U635H64BSC45G1
Description  PowerStore 8K x 8 nvSRAM
Download  14 Pages
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Manufacturer  SIMTEK [Simtek Corporation]
Direct Link  http://www.simtek.com
Logo SIMTEK - Simtek Corporation

U635H64BSC45G1 Datasheet(HTML) 3 Page - Simtek Corporation

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U635H64
3
March 31, 2006
STK Control #ML0052
Rev 1.0
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 and ICC4 are the average currents required for the duration of the respective STORE cycles (STORE Cycle Time).
d:
Bringing E
≥ V
IH will not produce standby current levels until any 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.
DC Characteristics
Symbol
Conditions
C-Type
K-Type
Unit
Min.
Max.
Min.
Max.
Operating Supply Currentb
ICC1
VCC
VIL
VIH
tc
tc
tc
= 5.5 V
= 0.8 V
= 2.2 V
= 25 ns
= 35 ns
= 45 ns
90
80
75
95
85
80
mA
mA
mA
Average Supply Current during
STOREc
ICC2
VCC
E
W
VIL
VIH
= 5.5 V
≤ 0.2 V
≥ V
CC-0.2 V
≤ 0.2 V
≥V
CC-0.2 V
67
mA
Average Supply Current during
PowerStore Cyclec
ICC4
VCC
VIL
VIH
= 4.5 V
= 0.2 V
≥ V
CC-0.2 V
44
mA
Standby Supply Currentd
(Cycling TTL Input Levels)
ICC(SB)1
VCC
E
tc
tc
tc
= 5.5 V
= VIH
= 25 ns
= 35 ns
= 45 ns
30
23
20
34
27
23
mA
mA
mA
Operating Supply Current
at tcR = 200 ns
b
(Cycling CMOS Input Levels)
ICC3
VCC
W
VIL
VIH
= 5.5 V
≥ V
CC-0.2 V
≤ 0.2 V
≥ V
CC-0.2 V
15
15
mA
Standby Supply Curentd
(Stable CMOS Input Levels)
ICC(SB)
VCC
E
VIL
VIH
= 5.5 V
≥ V
CC-0.2 V
≤ 0.2 V
≥ V
CC-0.2 V
33
mA
Recommended
Operating Conditions
Symbol
Conditions
Min.
Max.
Unit
Power Supply Voltage
VCC
4.5
5.5
V
Input Low Voltage
VIL
-2 V at Pulse Width
10 ns permitted
-0.3
0.8
V
Input High Voltage
VIH
2.2
VCC+0.3
V


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