HT9302D Series -- 1-Memory/2-Memory Tone/Pulse Dialer

General Description

series tone/pulse dialers are CMOS LSIs for telecommunication systems. They are designed to meet various dialing specifications through resistor option matrix. 

The HT9302D series provide the pin-selected lock function, Hold-line, HT9302DHand-free and LCD dialing number display interface, all of which are suitable for feature phone applications. HT9302DC is simpler than HT9302DX version. HT9302D provides only a redialing memory for simple low-cost system applications.

Features

• Universal specification
• Operating voltage: 2.0V~5.5V
• Low standby current
• Low memory retention current: 0.1µA (Typ.)
• Tone/pulse switchable
• Interface with LCD driver
• 32 digits for redialing
• 32 digits for SA memory dialing
• One-key redialing
• Pause and P->T key for PBX
• 4x4 keyboard matrix
• 3.58MHz crystal or ceramic resonator
• Hand-free control
• Hold-line control
• Pause, P->T can be saved for redialing
• Lock function
• Keytone function
• Resistor options:
  - M/B ratio
  - Flash function and flash time
  - Pause and P->T duration
  - Pulse number
• HT9302D: 24-pin SKDIP package
  HT9302G: 16-pin DIP packag
• Data Sheet
• Revision History
• 封装信息
  16-pin DIP 封装
  18-pin DIP 封装
  20-pin DIP 封装
  22-pin SKDIP 封装
  24-pin SK DIP 封装
• Selection Guide
• 产品型号索引

HT9302D_中文PDF(点击下载)