ST3917B 데이터 시트보기 (PDF) - STMicroelectronics

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ST3917B

SPEECH - TONE/PULSE DIALER - LED INDICATOR

STMicroelectronics 

PACKAGE MECHANICAL DATA

28 PINS - PLASTIC PACKAGE

ST3917A - ST3917B

Dimensions

a1

b

b1

b2

D

E

e

e3

F

I

L

Min.

0.23

15.2

Millimeters

Typ.

0.63

0.45

1.27

2.54

33.02

4.445

3.3

Max.

0.31

37.4

16.68

14.1

Min.

0.009

0.598

Inches

Typ.

0.025

0.018

0.050

0.100

1.300

0.175

0.130

Max.

0.012

1.470

0.657

0.555

15/16

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