© 1995 Microchip Technology Inc.

Preliminary

DS21112B-page 7

MTE1122

Package Type: 18-Lead Plastic Surface Mount (SOIC - Wide, 300 mil Body)

Package Group: Plastic SOIC (SO)

Symbol

Millimeters

Inches

Min

Max

Notes

Min

Max

Notes

α

0

°

8

°

0

°

8

°

A

2.3622

2.6416

0.093

0.104

0.1016

0.29972

0.004

0.0118

B

0.3556

0.4826

0.014

0.019

C

0.2413

0.3175

0.0095

0.0125

D

11.3538

11.7348

0.447

0.462

E

7.4168

7.5946

0.292

0.299

e

1.270

1.270

Reference

0.050

0.050

Reference

H

10.0076

10.6426

0.394

0.419

h

0.381

0.762

0.015

0.030

L

0.4064

1.143

0.016

0.045

N

1818

1818

CP

—

0.1016

—

0.004

B

H

E

α

C

N

Chamfer

h x 45

°

Index

Area

e

1

2 3

Seating

Plane

Base

Plane

CP

A

D

h x 45

°

L