UR5HCFJ8-FB Ver la hoja de datos (PDF) - Semtech Corporation

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UR5HCFJ8-FB

Low-Power Keyboard Encoder for Portable Systems

Semtech Corporation 

FUNCTIONAL DIAGRAM

Data Buffer

ORDERING CODE

Package options

40-pin Plastic DIP

44-pin, Plastic PLCC

44-pin, Plastic QFP

Pitch In mm’s

2 54 mm

1.27 mm

0.8 mm

TA = -40°C to +85°C

UR5HCFJ8-P

UR5HCFJ8-FN

UR5HCFJ8-FB

NL/CL/SL

3

Status LEDs

EKC1

Interrupt Control

KC

PC

Communication

KD

Channel

Row Data Inputs

Column Select

Ouputs

Keyboard Encoder

R0-

R7

8

C0-

C15

16

EKC

EKD

8042 Emulation

(External Keyboard)

Communication

Channel

Mode Control

Copyright Semtech, 1997-2001

2

DOC5-FJ8-DS-107

www.semtech.com

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