HI-8444 データシートの表示（PDF） - Holt Integrated Circuits

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HI-8444

Quad / Octal ARINC 429 Line Receivers

Holt Integrated Circuits 

HI-8444, HI-8445, HI-8448 PACKAGE DIMENSIONS

20-PIN PLASTIC TSSOP

inches (millimeters)

Package Type: 20HS

.252 ± .006

(6.400 ± .150)

.2555 ± .0035

(6.500 ± .100)

Pin 1

.173 ± .004

(4.400 ± .100)

.0095 ± .0025

(.245 ± .055)

.006 ± .002

(.145 ± .055)

See Detail A

.036 ± .005

(.925 ± .125)

.026

(.650)

BSC

BSC = “Basic Spacing between Centers”

is theoretical true position dimension and

has no tolerance. (JEDEC Standard 95)

0° to 8°

.018 - .029

(.450 - .750)

.004 ± .002

(.100 ± .050)

Detail A

44-PIN PLASTIC QUAD FLAT PACK (PQFP)

.547 ± .010

(13.90 ± .25)

SQ.

.394 ± .004

(10.0 ± .10)

SQ.

inches (millimeters)

Package Type: 44PTQS

.006

(.15)

MAX.

.0315

(.80)

BSC

.014 ± .002

(.35 ± .05)

.035 ± .006

(.88 ± .15)

.063

(1.6)

MAX.

See Detail A

BSC = “Basic Spacing between Centers”

is theoretical true position dimension and

has no tolerance. (JEDEC Standard 95)

.055 ± .002

(1.4 ± .05)

.012

(.30)

R MAX.

.005

(.13)

R MIN.

Detail A

0° £ Q £ 7°

HOLT INTEGRATED CIRCUITS

8

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