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PI3C32160 Datasheet, PDF (3/4 Pages) Pericom Semiconductor Corporation – 3.3V, High Bandwidth,16:32-Bit, PCI Hot-Plug Mux/Demux Bus Switch
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PI3C32160
3.3V, High Bandwidth, 16:32-Bit,
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Power Supply Characteristics
Parameters
Description
ICC
Quiescent Power Supply Current
∆ICC
Supply Current per Input @ TTL HIGH
Test Conditions(1)
VCC = Max.
VIN = GND or VCC
VCC = Max.
VIN = 3.0V(3)
Min.
—
—
Typ.(2) Max.
260
850
—
750
Units
µA
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input (control inputs only); A and B pins do not contribute to ICC.
Switching Characteristics over Operating Range
PI3C32160
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Description
Propagation Delay(2,3)
AX to BX, BX to AX
Bus Enable Time
BEX to AX or BX
Bus Disable Time
BEX to AX or BX
Conditions(1)
CL = 50pF
RL = 500Ω
CL = 50pF
RL = 500Ω
R = 500Ω
Min.
—
1.5
1.5
Com
Max.
0.50
6.5
5.5
Units
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.
3
PS8453F 03/09/01
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