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PI74LCX245

Fast CMOS 3.3V 8-Bit Bidirectional Transceiver

Pericom Semiconductor Corporation 

PI74LCX245

3.3V 8-Bit Bi-Directional Transceiver

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Packaging Mechanical - 20-pin QSOP (Q-package)

20

1

.337 8.56

.344 8.74

.150 3.81

.157 3.99

Guage Plane

.010

0.254

Detail A

.008

0.20

MIN.

.008

.013

0.20

0.33

0˚-6˚

.016

.035

0.41

0.89

.041

1.04

REF

.058 REF

1.47

.053 1.35

.069 1.75

SEATING

PLANE

.025

BSC

0.635

.008 0.203

.012 0.305

.004 0.101

.010 0.254

.015 x 45˚

0.38

Detail A

.016 0.41

.050 1.27

.228

.244

5.79

6.19

.007 0.178

.010 0.254

X.XX DENOTES DIMENSIONS

X.XX IN MILLIMETERS

Packaging Mechanical - 20-pin SOIC (S-package)

20

1

.496 12.60

.511 12.99

.020

.030

0.508

0.762

REF

.2914 7.40

.2992 7.60

0-8˚

.0926 2.35

.1043 2.65

SEATING

PLANE

.010

.029

0.254

0.737

x 45˚

0.41 .016

1.27 .050

.394

.419

10.00

10.65

.0091 0.23

.0125 0.32

.050

BSC

1.27

.013

.020

0.33

0.51

.0040 0.10

.0118 0.30

X.XX DENOTES CONTROLLING

X.XX DIMENSIONS IN MILLIMETERS

Ordering Information

Ordering Code

PI74LCX245H

PI74LCX245L

PI74LCX245Q

PI74LCX245S

Description

20-Pin 209-mil wide Plastic SSOP (H)

20-Pin 173-mil wide Plastic TSSOP (L)

20-Pin 150-mil wide Plastic QSOP(Q)

20-Pin 300-mil wide Plastic SSOP(S)

Pericom Semiconductor Corporation

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

6

PS2099B 11/17/02

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