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Pin to Pin Compatibility:
UMS91214A
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Function:
Tone/Pulse Dialer with Handfree Control and Flash Function
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Features:
<br /> Vcc=2.0…5.5 V<br /> Quartz generator 3.58 MHz<br /> 32-digit redial memory<br /> Tone/Pulse switchable<br /> Output signal: pulse 10 Hz(20Hz) or DTMF<br /> Flash Function<br /> 4x4 keyboard<br />
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Package:
SO-16
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Pin to Pin Compatibility:
UMS91214A
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Function:
Tone/Pulse Dialer with Handfree Control and Flash Function
-
Features:
<br /> Vcc=2.0…5.5 V<br /> Quartz generator 3.58 MHz<br /> 32-digit redial memory<br /> Tone/Pulse switchable<br /> Output signal: pulse 10 Hz(20Hz) or DTMF<br /> Flash Function<br /> 4x4 keyboard<br />
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Package:
DIP-16
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Pin to Pin Compatibility:
UM91531
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Function:
Parallel Input Tone/Pulse Dialer
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Features:
<br /> Vcc=2.5…5.5 V<br /> Quartz generator 3.58 MHz<br /> Output signal: pulse 10 Hz or DTMF<br /> 4-bit parallel data input from microcomputer<br /> Selectable Make/Break ratio<br /> Inter digital pause 800 ms<br />
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Package:
DIP-16
