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PI74ALVCH162260

12-Bit To 24-Bit Multiplexed D-Type Latch with 3-STATE Outputs

Pericom Semiconductor 

PI74ALVCH162260

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Timing Requirements over Operating Range

Parameters

Description

VCC = 2.5V ± 0.2V VCC = 2.7V VCC = 3.3V ± 0.3V

Units

Min. Max. Min. Max. Min. Max.

fCLOCK Clock Frequency

150

150

150 MHz

tW

Pulse duration, LE1B, LE2B,

LEA1B, or LEA2B High

3.3

3.3

3.3

tSU

Setup time, data before LE1B,

LE2B, LEA1B, or LEA2B

1.4

1.1

1.1

ns

tH

Hold time, data after LE1B,

LE2B, LEA1B or LEA2B

1.6

Dt/D(1) Input Transition Rise or Fall

1.9

1.5

0

10 ns/V

Note:

1. Unused control inputs must be held HIGH or LOW to prevent them from floating.

Switching Characteristics over Operating Range(1)

Parameters

From

To

VCC = 2.5V ± 0.2V

(INPUT) (OUTPUT) Min.(2) Max.

VCC = 2.7V

Min.(2) Max.

VCC = 3.3V ± 0.3V

Min.(2) Max.(2)

fMAX

150

150

150

A

B

1.2

6.5

5.8

1.2

4.9

B

A

1.2

6.0

5.1

1.2

4.3

tPD

LE

A

1.0

6.2

5.2

1.0

4.4

LE

B

1.0

6.7

5.9

1.0

5.0

SEL

A

1.2

7.5

6.6

1.1

5.6

OE

A

1.0

7.2

tEN

OE

B

1.0

7.7

6.4

1.0

5.4

7.1

1.0

6.0

OE

A

1.7

5.9

tDIS

OE

B

1.7

6.4

5.0

1.3

4.6

5.5

1.3

5.1

Notes:

1. See test circuit and wave forms.

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

Units

MHz

ns

Operating Characteristics, TA = 25ºC

Parameter

Test Conditions

CPD Power Dissipation Outputs Enabled

Capacitance

Outputs Disabled

CL = 50pF,

f = 10 MHz

VCC = 2.5V ± 0.2V VCC = 3.3V ± 0.3V

Typical

62

46

29

24

Units

pF

Pericom Semiconductor Corporation

2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com

5

PS8127 03/17/98

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