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MFG:Holtek Package Cooled:DIP
Part Number: HT9302
MFG: Holtek
Package Cooled: DIP
Description: The HT9302 series tone/pulse dialers are CMOS LSIs for telecommunication systems. They are designed to...
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HT9302
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DataSheet
General Description
HT9302 General Description
The HT9302 series tone/pulse dialers are CMOS LSIs for telecommunication systems. They are designed to meet various dialing specifications through resistor option matrix.
The HT9302 series provide the pin-selected lock function, Hold-line, Hand-free and LCD dialing number display interface, all of which are suitable for feature phone applications. HT9302G is simpler than HT9302X version. It provides only a redialing memory for simple low-cost system applications.
HT9302 Maximum Ratings
Supply Voltage ...........................................-0.3V to 6V
Input Voltage ..............................VSS-0.3 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.
HT9302 Features
` Universal specification
` Operating voltage: 2.0V~5.5V
` Low standby current
` Low memory retention current: 0.1A (typ.)
` Tone/pulse switchable
` Interface with LCD driver
` 32 digits for redialing
` 32 digits for SA memory dialing
` One-key redialing
` Pause and PT key for PBX
` 4x4 keyboard matrix
` 3.58MHz crystal or ceramic resonator
` Hand-free control
` Hold-line control
` Pause, PT can be saved for redialing
` Lock function
` Resistor options
- M/B ratio
- Flash function and flash time
- Pause and PT duration
- Pulse number
` HT9302A: 18-pin DIP package
HT9302B: 22-pin SKDIP package
HT9302C: 20-pin DIP package
HT9302D: 24-pin SKDIP package
HT9302G: 16-pin DIP package
` Operating voltage: 2.0V~5.5V
` Low standby current
` Low memory retention current: 0.1A (typ.)
` Tone/pulse switchable
` Interface with LCD driver
` 32 digits for redialing
` 32 digits for SA memory dialing
` One-key redialing
` Pause and PT key for PBX
` 4x4 keyboard matrix
` 3.58MHz crystal or ceramic resonator
` Hand-free control
` Hold-line control
` Pause, PT can be saved for redialing
` Lock function
` Resistor options
- M/B ratio
- Flash function and flash time
- Pause and PT duration
- Pulse number
` HT9302A: 18-pin DIP package
HT9302B: 22-pin SKDIP package
HT9302C: 20-pin DIP package
HT9302D: 24-pin SKDIP package
HT9302G: 16-pin DIP package
HT9302 Connection Diagram
HT9302
PDF/DataSheet Download
- Datasheet: HT9302
- File Size: 291183 KB
- Manufacturer: HOLTEK [Holtek Semiconductor Inc]
- Click here to Download
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HT9302 Relative Products
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HT9200B
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 inte...
HT9200A
The HT9200A/B tone generators are designed for MCU interfaces. They can be instructed by a MCU 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 i...
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