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HT9200A Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT9200A Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 14 page  HT9200A/HT9200B DTMF Generators Selection Table Function Part No. Operating Voltage OSC Frequency Interface Package HT9200A 2.5V~5.5V 3.58MHz Serial 8 DIP/SOP HT9200B 2.5V~5.5V 3.58MHz Serial/Parallel 14 SOP Block Diagram Pin Assignment Rev. 1.40 1 August 30, 2004 Features · Operating voltage: 2.5V~5.5V · Serial mode for the HT9200A · Serial/parallel mode for the HT9200B · Low standby current · 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 MCU interfaces. They can be instructed by a MCU to gener- ate 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 in- terface for various applications such as security sys- tems, home automation, remote control through telephone lines, communication systems, etc. S / P C o n t r o l C i r c u i t 3 . 5 8 M H z C r y s t a l / R e s o n a t o r O s c i l l a t o r S e r i a l D a t a I n p u t C i r c u i t D T M F G e n e r a t o r P a r a l l e lD a t a I n p u t C i r c u i t X 1 X 2 D A T A C L K C E D 0 D 3 D T M F D 2 D 1 C E C E 1 2 3 4 8 7 6 5 X 2 X 1 V S S V D D D T M F D A T A C L K H T 9 2 0 0 A 8 D I P - A / S O P - A S / P 1 4 1 3 1 2 1 1 1 0 9 8 1 2 3 4 5 6 7 H T 9 2 0 0 B 1 4 S O P - A X 2 X 1 V S S N C D 0 D 1 V D D D T M F D A T A C L K D 3 D 2 |
Similar Part No. - HT9200A |
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Similar Description - HT9200A |
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