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参数资料
| 型号： | PI3B3251W |
| 厂商： | Pericom Semiconductor Corp. |
| 英文描述： | 3.3V 8:1 MUX /DEMUX BUS SWITCH |
| 中文描述： | 3.3 8:1复用/解复用器总线开关 |
| 文件页数： | 3/3页 |
| 文件大小： | 50K |
| 代理商： | PI3B3251W |
PI3B3251
3.3V, 8:1 Mux/Demux BusSwitch
3
PS8150D 05/15/01
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PI3B3251
Com.
Min.
Parameters Description
Conditions
(1)
Max.
Units
t
PD
Propagation Delay
(2,3)
In to Y
Bus Enable Time
Sn to Y
Bus Enable Time
E to Y
Bus Disable Time
E to Y
C
L
= 50pF
R
L
= 500
C
L
= 50pF R
L
= 500
0.25
t
SY
1
4.5
t
PZH
t
PZL
t
PHZ
t
PLZ
C
L
= 50pF R
L
= 500
1
3.5
C
L
= 50pF R
L
= 500
1
5.5
Power Supply Characteristics
Parameters Description
Test Conditions
(1)
Min.
Typ.
(2)
Max.
Units
I
CC
Quiescent Power
Supply Current
V
CC
= Max.
V
IN
= GND or V
CC
0.1
3
μA
I
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max.
V
IN
= 3.0V
(3)
750
μA
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at V
CC
= 3.3V, +25°C ambient.
3. Per TTL driven input (control input only); I and Y pins do not contribute to I
CC
.
Switching Characteristics over Operating Range
Notes:
1. See test circuit and waveforms.
2. This parameter is guaranteed but not tested on Propagation Delays.
3. The bus switch contributes no propagational delay other than the RC delay of the ON resistance
of the switch and the load capacitance. The time constant for the switch alone is of the order of 0.25ns
for 50pF load. Since this time constant is much smaller than the rise/fall times of typical driving
signals, it adds very little propagational delay to the system. Propagational delay of the bus switch
when used in a system is determined by the driving circuit on the driving side of the switch and its
interaction with the load on the driven side.
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
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Ordering Information
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