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UR5HCFJL Datasheet (HTML) - Semtech Corporation

Part No. UR5HCFJL
Description  Zero-PowerTM Keyboard Encoder for Portable Systems
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Maker  SEMTECH [Semtech Corporation]
Homepage  http://www.semtech.com
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FUNCTIONAL DIAGRAM
ORDERING CODE
Copyright Semtech, 1997-2001
DOC5-FJL-DS-106
www.semtech.com
2
XX = 16 for FKB7136,06 for FKB1406 matrix compatibility
Data Buffer
Interrupt Control
PC
Communication
Channel
8042 Emulation
(External Keyboard)
Communication
Channel
EKC1
KC
KD
EKC
EKD
Keyboard Encoder
Mode Control
Status LEDs
Row Data Inputs
Column Select
Ouputs
NL/CL/SL
3
8
16
DRV
16-Bit Timer
C0-C15
R0-R7
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
UR5HCFJL-XX-P
UR5HCFJL-XX-FN
UR5HCFJL-XX-FB



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