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参数资料
| 型号： | W254B |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 时钟和缓冲器 |
| 文件页数： | 12/17页 |
| 文件大小： | 247K |
| 代理商： | W254B |
W254B
Document #: 38-07233 Rev. *A
Page 12 of 17
DC Electrical Characteristics
[11]
Note:
11.
12. Input Leakage Current does not include inputs with pull-up or pull-down resistors.
Multiple Supplies:
The voltage on any input or I/O pin cannot exceed the power pin during power-up. Power supply sequencing is NOT required.
Absolute Maximum DC Power Supply
Parameter
V
DD3
V
DDQ2
V
DDQ3
T
S
Description
Min.
–
0.5
–
0.5
–
0.5
–
65
Max.
4.6
3.6
4.6
150
Unit
V
V
V
°
C
3.3V Core Supply Voltage
2.5V I/O Supply Voltage
3.3V Supply Voltage
Storage Temperature
Absolute Maximum DC I/O
Parameter
V
ih3
V
il3
ESD prot.
Description
Min.
–
0.5
–
0.5
2000
Max.
4.6
Unit
V
V
V
3.3V Input High Voltage
3.3V Input Low Voltage
Input ESD Protection
DC Operating Requirements
Parameter
V
DD3
V
DDQ3
V
DDQ2
V
DD3
=
3.3V±5%
V
ih3
V
il3
I
il
V
DDQ2
=
2.5V±5%
V
oh2
V
ol2
V
DDQ3
=
3.3V±5%
V
oh3
V
ol3
V
DDQ3
=
3.3V±5%
V
poh3
V
pol3
Description
Condition
3.3V±5%
3.3V±5%
2.5V±5%
Min.
3.135
3.135
2.375
Max.
3.465
3.465
2.625
Unit
V
V
V
3.3V Core Supply Voltage
3.3V I/O Supply Voltage
2.5V I/O Supply Voltage
3.3V Input High Voltage
3.3V Input Low Voltage
Input Leakage Current
[12]
V
DD3
2.0
V
DD
+ 0.3
0.8
+5
V
V
μA
V
SS
–
0.3
–
5
0<V
in
<V
DD3
2.5V Output High Voltage
2.5V Output Low Voltage
I
oh
= (
–
1 mA)
I
ol
= (1 mA)
2.0
V
V
0.4
3.3V Output High Voltage
3.3V Output Low Voltage
I
oh
= (
–
1 mA)
I
ol
= (1 mA)
2.4
V
V
0.4
PCI Bus Output High Voltage
PCI Bus Output Low Voltage
I
oh
= (
–
1 mA)
I
ol
= (1 mA)
2.4
V
V
0.55
C
in
C
xtal
C
out
L
pin
T
a
Input Pin Capacitance
Xtal Pin Capacitance
Output Pin Capacitance
Pin Inductance
Ambient Temperature
5
pF
pF
pF
nH
°
C
13.5
22.5
6
7
70
0
0
No Airflow
相关PDF资料 |
PDF描述 |
|---|---|
| W255 | Clocks and Buffers |
| W255H | 200-MPz 24-Output Buffer for 4DDR or 3 SDRAM DIMMS |
| W255HT | 200-MPz 24-Output Buffer for 4DDR or 3 SDRAM DIMMS |
| W25P010AD-8 | x32 Fast Synchronous SRAM |
| W25P010AF-6 | x32 Fast Synchronous SRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W254BX | 制造商:Cypress Semiconductor 功能描述: |
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| W255 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:200-MHz 24-Output Buffer for 4 DDR or 3 SDRAM DIMMS |
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