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HT9200B-14SOP Datasheet

  • HT9200B-14SOP

  • Telecommunication IC

  • 408.94KB

  • 9頁

  • ETC

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HT9200A/B
DTMF Generators
Features
路
路
路
路
Operating voltage: 2.0V~5.5V
Serial mode for the HT9200A
Serial/parallel mode for the HT9200B
Low standby current
路
路
路
Low total harmonic distortion
3.58MHz crystal or ceramic resonator
HT9200A: 8-pin DIP/SOP package
HT9200B: 14-pin SOP package
General Description
The HT9200A/B tone generators are designed
for
mC
interfaces. They can be instructed by a
mC
to generate 16 dual tones and 8 single tones
from the DTMF pin. The HT9200A provides a
serial mode whereas the HT9200B contains a
selectable serial/parallel mode interface for
various applications such as security systems,
home automation, remote control through tele-
phone lines, communication systems, etc.
Selection Table
Function
Part No.
HT9200A
HT9200B
Operating
Voltage
2V~5.5V
2V~5.5V
OSC
Frequency
3.58MHz
3.58MHz
Interface
Serial
Serial/Parallel
Package
8 DIP/SOP
14 SOP
Block Diagram
X 1
X 2
3 .5 8 M H z
C r y s ta l/R e s o n a to r
O s c illa to r
D T M F
G e n e ra to r
D T M F
D A T A
C L K
S e r ia l D a ta
In p u t C ir c u it
C o n tro l
C ir c u it
P a r a l l e lD a t a
I n p u tC ir c u it
C E
S /P
D 3
D 2
D 1
D 0
1
February 13, 2001

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