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參數(shù)資料
| 型號(hào)： | PI5C16234CA |
| 英文描述： | Bus Exchanger |
| 中文描述： | 總線交換 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大小： | 166K |
| 代理商： | PI5C16234CA |
PI5C16209/162209
18-BIT BUS-EXCHANGE SWITCH
3
PS7022A 03/13/96
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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
3.0
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
Sn = GND
Control Input Toggling
50% Duty Cycle
—
—
0.25
mA/
MHz
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Per TTL driven input (V
IN
= 3.4V, control inputs only); A and B pins do not contribute to Icc.
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.
PI5C16209 Switching Characteristics over Operating Range
PI5C16209
Com.
Min
Parameters
Description
Conditions
(1)
Max
Units
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
(2,3)
xAx to xBx, xBx to xAx
Bus Enable Time
S to xAx or xBx
Bus Disable Time
S to xAx or xBx
C
L
= 50pF
R
L
= 500
0.25
1.5
6.5
ns
1.5
5.5
PI5C162209 Switching Characteristics over Operating Range
PI5C162209
Com.
Min
Parameters
Description
Conditions
(1)
Max
Units
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
(2,3)
xAx to xBx, xBx to xAx
Bus Enable Time
S to xAx or xBx
Bus Disable Time
S to xAx or xBx
C
L
= 50pF
R
L
= 500
1.25
ns
1.5
6.5
ns
1.5
5.5
ns
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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