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Pulse Dialers

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Part number Pin to Pin Compatibility Function Features Package
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
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
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

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