PI74FCT2244ATS datasheet(5/7 Pages) PERICOM

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PS2011D

09/22/04

PI74FCT244T/2244T

PI74FCT541T/2541T

Octal Buffer/Line Drivers

PI74FCT244/2244T Switching Characteristics over Operating Range

Param-

eters

Description

Condi-

tions(1)

244T/2244T

244AT/2244AT

244CT/2244CT

244DT

Units

Com.

Min

Max

Min

Max

Min

Max

Min

Max

tPLH

tPHL

Propagation Delay

CL = 50pF

1.5

6.5

1.5

4.8

1.5

4.1

1.5

3.6

tPZH

tPZL

Output Enable Time

OEX to ON

1.5

8.0

1.5

6.2

1.5

5.8

1.5

4.8

tPHZ

tPLZ

Output Disable

Time(3)

OEX to ON

1.5

7.0

1.5

5.6

1.5

5.2

1.5

4.0

Notes:

1. See test circuit and wave forms.

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

3. This parameter is guaranteed but not production tested.

PI74FCT541/2541T Switching Characteristics over Operating Range

Parameters

Description

Conditions(1)

541T/2541T

541AT/

2541AT

541CT/

2541CT

541DT

Units

Com.

Min

Max

Min

Max

Min

Max

Min

Max

tPLH

tPHL

Propagation Delay

DN to ON

CL = 50pF

RL = 500Ω

1.5

6.0

1.5

4.8

1.5

4.1

1.5

3.8

tPZH

tPZL

Output Enable Time

OEX to ON

1.5

9.5

1.5

6.2

1.5

5.8

1.5

5.2

tPHZ

tPLZ

Output Disable

Time(3)

OEX to ON

1.5

6.5

1.5

5.6

1.5

5.2

1.5

5.2

Notes:

1. See test circuit and wave forms.

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

3. This parameter is guaranteed but not production tested.

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