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UL635H256S2C35 Datasheet(PDF) 3 Page - Simtek Corporation

Part # UL635H256S2C35
Description  Low Voltage PowerStore 32K x 8 nvSRAM
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Manufacturer  SIMTEK [Simtek Corporation]
Direct Link  http://www.simtek.com
Logo SIMTEK - Simtek Corporation

UL635H256S2C35 Datasheet(HTML) 3 Page - Simtek Corporation

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UL635H256
3
March 31, 2006
STK Control #ML0059
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.
d: Bringing E
≥ VIH 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
= 3.6 V
= 0.8 V
= 2.2 V
= 35 ns
= 45 ns
45
35
47
37
mA
mA
Average Supply Current duringc
STORE
ICC2
VCC
E
W
VIL
VIH
= 3.6 V
≤ 0.2 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
34
mA
Operating Supply Currentb
at tcR = 200 ns
(Cycling CMOS Input Levels)
ICC3
VCC
W
VIL
VIH
= 3.6 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
10
11
mA
Average Supply Current duringc
PowerStore
Cycle
ICC4
VCC
VIL
VIH
= VCCmin
= 0.2 V
≥ VCC-0.2 V
22
mA
Standby Supply Currentd
(Cycling TTL Input Levels)
ICC(SB)1
VCC
E
tc
tc
= 3.6 V
= VIH
= 35 ns
= 45 ns
11
9
12
10
mA
mA
Standby Supply Curentd
(Stable CMOS Input Levels)
ICC(SB)
VCC
E
VIL
VIH
= 3.6 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
11
mA
Recommended
Operating Conditions
Symbol
Conditions
Min.
Max.
Unit
Power Supply Voltage
VCC
tc = 35 ns
tc = 45 ns
3.0
2.7
3.6
3.6
V
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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