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HT9200B, HT9200D, HT9201A

Table of contents:
Info of HT9200B
Info of HT9200D
Info of HT9201A

HT9200B, HT9200D, HT9201A Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:05+ D/C:10000

HT9200B, HT9200D, HT9201A Datasheet download

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Part Number: HT9200B

MFG: HOLTEK

Package Cooled: 05+

D/C: 10000

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HT9200B General Description

The HT9200A/B tone generators are designed for mC interfaces. They can be instructed by a C 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 telephone lines, communication systems, etc.

HT9200B Maximum Ratings

Supply Voltage .................................0.3V to 6V
Input Voltage.................... VSS0.3 to VDD+0.3V
Storage Temperature................. 50 to 125
Operating Temperature............... 20 to 75

*Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT9200B Features

· Operating voltage: 2.0V~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

HT9200B Connection Diagram

HT9201A General Description

The HT9201A/B tone dialers are CMOS LSIs designed for telecommunication systems. The HT9201A is for mute output whereas the HT9201B is for flash output. Both dialers provide good performance for regular DTMF dialing with low distortion output and minimal external components.

HT9201A Maximum Ratings

Supply Voltage ............................... 0.3V to 6V
Storage Temperature ............... 50 to 125
Input Voltage ............... V_SS0.3V to V_DD+0.3V
Operating Temperature ............. 20 to 75
*Note: Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only. Functional operation of this device at these or any other conditions above those indicated in the operational sections of this specification is not implied and exposure to absolute maximum rating conditions for extended periods may affect device reliability.

HT9201A Features

· Operating voltage: 2.0V~5.5V
· Low standby current
· 4´4 keyboard matrix
· 3.58MHz crystal or ceramic resonator
· Four flash key times selectable for the HT9201B

HT9201A Connection Diagram

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