PI74FCT574CTLE datasheet(5/9 Pages) PERICOM

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PS2016C

10/01/04

PI74FCT374T

PI74FCT574T

Octal D Registers (3-State)

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PI74FCT374T Switching Characteristics over Operating Range

374TT

374AT

374CT

374DT

Com.

Parameters

Description

Conditions(1)

Min

Max

Min

Max

Min

Max

Min

Max Units

tPLH

Propagation Delay

CL = 50pF

2.0

10.0

2.0

6.5

2.0

5.2

2.0

4.5

tPHL

CP to ON

RL = 500

Ω

tPZH

Output Enable Time

1.5

12.5

1.5

6.5

1.5

5.5

1.5

5.5

tPZL

OE to ON

tPHZ

Output Disable Time(3)

1.5

8.0

1.5

5.5

1.5

5.0

1.5

5.0

tPLZ

OE to ON

tSU

Setup Time HIGH or

2.0

—

2.0

—

2.0

—

2.0

—

LOW, DN to CP

Hold Time HIGH or

1.5

—

1.5

—

1.5

—

1.0

—

LOW, DN to CP

CP Pulse Width(3)

7.0

—

5.0

—

5.0

—

3.0

—

HIGH or LOW

PI74FCT574T Switching Characteristics over Operating Range

574T

574AT

574T

574DT

Com.

Parameters

Description

Conditions(1)

Min

Max

Min

Max

Min

Max

Min

Max

Unit

tPLH

Propagation Delay

CL = 50 pF

2.0

8.5

2.0

6.5

2.0

5.2

2.0

4.5

tPHL

CP to ON

RL = 500

Ω

tPZH

Output Enable Time

1.5

10.0

1.5

6.5

1.5

5.5

1.5

5.5

tPZL

OE to ON

tPHZ

Output Disable Time(3)

1.5

6.5

1.5

5.5

1.5

5.0

1.5

5.0

tPLZ

OE to ON

tSU

Setup Time HIGH or

2.0

—

2.0

—

2.0

—

2.0

—

LOW, DN to CP

Hold Time HIGH or

1.5

—

1.5

—

1.5

—

1.0

—

LOW, DN to CP

CP Pulse Width(3)

7.0

—

5.0

—

5.0

—

3.0

—

HIGH or LOW

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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