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參數資料
| 型號： | PI3B16245VE |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 3.3V, 16-Bit, 2-Port NanoSwitch⑩ |
| 中文描述： | 3.3伏，16位，2端口NanoSwitch⑩ |
| 文件頁數： | 3/3頁 |
| 文件大?。?/td> | 92K |
| 代理商： | PI3B16245VE |
3
PS8189C 09/13/99
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PI3B16245/PI3B162245
3.3V, Hot Insertion, 16-Bit, 2-Port BusSwitch
Com.
Min.
Parameters
Description
Conditions
(1)
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
BE to Ax or Bx
Bus Disable Time
BE to Ax or Bx
C
L
= 50pF 16245
R
L
= 500
162245
C
L
= 50pF, R
L
= 500
0.25
1.25
4.5
1
ns
C
L
= 50pF, R
L
= 500
1
5.0
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
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
10
μA
I
CC
Supply Current per
Input @ TTL HIGH
V
CC
= Max.
V
IN
= 3.0V
(3)
750
μA
I
CCD
Supply Current per
Input per MHz
(4)
V
CC =
Max
.
A and B Pins Open
BE = GND
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
= 3.3V, +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
e
u
e
p
m
e
T
A
5
4
2
6
1
B
3
)
4
A
(
P
O
S
S
T
-
4
C
°
8
+
o
C
°
4
V
5
4
2
6
1
B
3
)
4
V
(
P
O
S
S
-
4
C
°
8
+
o
C
°
4
Ordering Information
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