PI49FCT3804 Ver la hoja de datos (PDF) - Pericom Semiconductor
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PI49FCT3804 Datasheet PDF : 7 Pages
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PI49FCT3804
3.3V Buffer/Clock Driver 1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788990011223344556677889900112233445566778899001122112233445566778899001122
Switching Characteristics over Operating Range
3804
Parameters Description
Com.
Conditions(1) Min. Max.
3804A
Com.
Min. Max.
Units
tPLH
tPHL
Propagation Delay
INA to OAN, INB to OBN
CL = 50pF 1.5 6.5 1.5 5.8 ns
RL = 500Ω
tPZH
tPZL
Output Enable Time
OEA to OAN, OEB to OBN
1.5 8.0 1.5 8.0 ns
tPHZ
tPLZ
tskew(o)(3)
Output Disable Time
OEA to OAN, OEB to OBN
Skew between two outputs
of same package
1.5 7.0 1.5 7.0 ns
— 0.8 — 0.7 ns
(same transition)
tskew(p)(3)
Skew between opposite
transitions (tPHL-tPLH) of
the same output
— 1.0 — 0.8 ns
tskew(t)(3) Skew between two outputs
of different package at
— 1.6 — 1.4 ns
same temperature
(same transition)
Notes:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Skew measured at worse cast temperature (max. temp).
Tests Circuits For All Outputs(1)
6.0V
VCC
VIN
Pulse
Generator
VOUT
D.U.T.
RT
500Ω
50pF
CL
500Ω
Switch Position
Test
Disable LOW
Enable LOW
Disable HIGH
Enable HIGH
All Other Inputs
Switch
6V
GND
Open
DEFINITIONS:
CL = Load capacitance: includes jig and probe
capacitance.
RT = Termination resistance: should be equal to
ZOUT of the Pulse Generator.
5
PS7043F 09/24/04
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