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參數(shù)資料
| 型號(hào)： | PI5C16233CV |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 16-Bit to 32-Bit Mux/Demux BusSwitch with Undershoot Protection |
| 中文描述： | 16位到32位復(fù)用/分離與下沖保護(hù)BusSwitch |
| 文件頁(yè)數(shù)： | 3/3頁(yè) |
| 文件大小： | 220K |
| 代理商： | PI5C16233CV |
PI5C16233C
16-Bit to 32-Bit Mux/Demux BusSwitch
with Undershoot Protection
3
PS8361A 06/28/99
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Power Supply Characteristics
Test Conditions
(1)
Com.
Parameters
Description
Conditions
(1)
Min. Max.
Units
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
(2,3)
Ax to Bx, Bx to Ax
Bus Enable Time
SEL to Ax or Bx
Bus Disable Time
SEL to Ax or Bx
0.25
C
L
= 50pF
R
L
= 500
0.5
5.2
ns
0.5
5.3
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
Parameters Description
Min.
Typ.
(2)
Max.
Units
I
CC
Quiescent Power
Supply Current
V
CC
= Max.
V
IN
= GND or V
CC
200
μA
I
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max.
V
IN
= 3.4V
(3)
2.5
mA
I
CCD
Supply Current per
Input per MHz
(4)
V
CC
= Max.
A and B Pins Open
Control Input Toggling
50% Duty Cycle
0.25
mA/
MHz
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
= 5.0V, +25°C ambient.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to I
CC
.
4. This current applies to the control inputs only and represent the current required to switch internal capacitance at the specified
frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is not tested, but is
guaranteed by design.
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.
t
a
P
e
g
a
k
c
a
P
-
n
h
W
A
C
3
3
2
6
1
C
5
)
5
A
(
P
O
S
S
T
-
5
l
m
-
4
2
V
C
3
3
2
6
1
C
5
)
5
V
(
P
O
S
S
-
5
l
m
-
0
3
Ordering Information
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