PI49FCT3805AH 查看數據表（PDF） - Pericom Semiconductor

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PI49FCT3805AH

3.3V Fast CMOS Buffer/Clock Driver

Pericom Semiconductor 

PI49FCT3805/3806

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Switching Characteristics over Operating Range

3805/3806

3805A/3806A

Parameters

Description

Condition(1)

Com.

Com.

Min. Max Min. Max

tPLH

Propagation Delay

tPHL

INA to OAN, INB to OBN

1.5

6.5

1.5

5.8

tPZH

Output Enable Time

tPZL

OEA to OAN, OEB to OBN

1.5

8.0

1.5

8.0

tPHZ

Output Disable Time

tPLZ

OEA to OAN, OEB to OBN

1.5

7.0

1.5

7.0

tS K (o)(3)

Skew between two outputs of

same package (Same transition)

CL = 50pF

RL = 500Ω



0.7



0.7

tS K (p)(3)

Skew between opposite

transition (tPHL-tPLH) of the

same output



1.0



0.7

tS K (t)(3)

Skew between two outputs of

different package at same

temperature (Same transition)



1.5



1.2

Note:

1. See test circuit and waveforms

2. Minimum limits are guaranteed but not tested on Propagation Delays.

3. Skew measured at worst cast temperature (max. temp).

3805B/3806B

Com.

Min. Max

1.5

5.0

1.5

6.5

1.5

6.0



0.5



0.5



1.0

3805C/3806C

Com.

Min. Max

1.5 4.5

1.5 6.2

1.5 5.0



0.5



0.5



0.8

Units

ns

Tests Circuits for All Outputs(1) , except for FIN >100 MHz

6.0V

VCC

Pulse

Generator

VIN

D.U.T.

VOUT

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

PS7007B 01/13/99

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