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參數資料
| 型號： | U632H16SK25G1 |
| 元件分類： | SRAM |
| 英文描述： | 2K X 8 NON-VOLATILE SRAM, 25 ns, PDSO28 |
| 封裝： | 0.300 INCH, GREEN, SOP-28 |
| 文件頁數： | 9/15頁 |
| 文件大小： | 229K |
| 代理商： | U632H16SK25G1 |
3
April 7, 2005
U632H16
b: VCC reference levels throughout this datasheet refer to VCCX if that is where the power supply connection is made, or VCAP if VCCX is con-
nected to ground.
c: 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.
ICC2 is the average current required for the duration of the STORE cycle (STORE Cycle Time).
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 Currentc
ICC1
VCC
VIL
VIH
tc
= 5.5 V
= 0.8 V
= 2.2 V
= 25 ns
= 35 ns
= 45 ns
90
80
75
95
85
80
mA
Average Supply Current during
STORE c
ICC2
VCC
E
W
VIL
VIH
= 5.5 V
≤ 0.2 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
67
mA
Average Supply Current during
PowerStore Cycle
ICC4
VCC
VIL
VIH
= 4.5 V
= 0.2 V
≥ VCC-0.2 V
44
mA
Standby Supply Currentd
(Cycling TTL Input Levels)
ICC(SB)1
VCC
E
tc
= 5.5 V
= VIH
= 25 ns
= 35 ns
= 45 ns
30
23
20
34
27
23
mA
Operating Supply Current
at tcR = 200 nsc
(Cycling CMOS Input Levels)
ICC3
VCC
W
VIL
VIH
= 5.5 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
15
mA
Standby Supply Currentd
(Stable CMOS Input Levels)
ICC(SB)
VCC
E
VIL
VIH
= 5.5 V
≥ VCC-0.2 V
≤ 0.2 V
≥ VCC-0.2 V
33
mA
Recommended
Operating Conditions
Symbol
Conditions
Min.
Max.
Unit
Power Supply Voltageb
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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