Part Pin to Pin Compatibility Function Features Package PDF
IL91531N UM91531

Parallel Input Tone/Pulse Dialer
  •  Vcc=2.5…5.5 V
  •  Quartz generator   3.58 MHz
  •  Output signal: pulse   10 Hz  or DTMF
  •  4-bit parallel data input from microcomputer
  •  Selectable Make/Break ratio
  • Inter digital pause   800 ms

DIP-16
IL91214AN UMS91214A

Tone/Pulse Dialer with Handfree Control and Flash Function
  • Vcc=2.0…5.5 V
  •  Quartz generator   3.58 MHz
  •  32-digit redial memory
  •  Tone/Pulse switchable
  •  Output signal: pulse 10 Hz(20Hz) or DTMF
  •  Flash Function
  •  4x4 keyboard

DIP-16
IL91214AD UMS91214A

Tone/Pulse Dialer with Handfree Control and Flash Function
  • Vcc=2.0…5.5 V
  •  Quartz generator   3.58 MHz
  •  32-digit redial memory
  •  Tone/Pulse switchable
  •  Output signal: pulse 10 Hz(20Hz) or DTMF
  •  Flash Function
  •  4x4 keyboard

SO-16