PI5C3253QEX Просмотр технического описания (PDF) - Pericom Semiconductor
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PI5C3253QEX Datasheet PDF : 7 Pages
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Test Circuit
PI5C3253
Dual 4:1 Mux/DeMux Bus Switch
Switch Position
Test
Switch
Disable LOW
Closed
Enable LOW
Closed
tPD
Open
Definitions:
CL = Load Capacitance (includes jig and probe capacitance)
RT = Termination resistance (should be equal to ZOUT of
the pulse generator)
Enable and Disable Timing Diagram
Enable
Control
Input
t PZL
1.6V
Output
Normally
Low
Output
Normally
High
Switch
t PZH
Switch
GND
Disable
t PLZ
3V
1.5V
t PZH
1.5V
0V
3V
1.5V
0V
3V
0.3V VOL
0.3V VOH
0V
1. Input Control Enable = Low Input Control Device = High
2. Pulse Generator total pulses
Rate ≤1.0 MHz; Z OUT≤50-Ohms;tF, tR ≤2.5ns
Propagation Delay Diagram
Same Phase
Input Translation
tPLH
1.5V
Output
1.5V
tPLH
Opposite Phase
Input Transistion
tPHL
tPHL
3V
1.5V
0V
V OH
1.5V
V OL
3V
1.5V
0V
09-0120
4
PS7017H
06/11/09
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