PI49FCT3804ASE datasheet(5/7 Pages) PERICOM

5 / 7 page

PS7043F

09/24/04

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PI49FCT3804

3.3V Buffer/Clock Driver

3804

3804A

Com.

Parameters Description

Conditions(1) Min. Max. Min. Max. Units

tPLH

Propagation Delay

CL = 50pF

1.5

6.5

1.5

5.8

tPHL

INA to OAN, INB to OBN

RL =500Ω

tPZH

Output Enable Time

1.5

8.0

1.5

8.0

tPZL

OEA to OAN, OEB to OBN

tPHZ

Output Disable Time

1.5

7.0

1.5

7.0

tPLZ

OEA to OAN, OEB to OBN

tskew(o)(3)

Skew between two outputs

—

0.8

—

0.7

of same package

(same transition)

tskew(p)(3)

Skew between opposite

—

1.0

—

0.8

transitions (tPHL-tPLH) of

the same output

tskew(t)(3)

Skew between two outputs

—

1.6

—

1.4

of different package at

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)

Switch Position

DEFINITIONS:

CL = Load capacitance: includes jig and probe

capacitance.

RT = Termination resistance: should be equal to

ZOUT of the Pulse Generator.

Test

Switch

Disable LOW

EnableLOW

DisableHIGH

GND

EnableHIGH

All Other Inputs

Open

Switching Characteristics over Operating Range

Pulse

Generator

D.U.T.

VIN

VOUT

500

Ω

500

Ω

50pF

VCC

6.0V

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