Part Number
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IL91214B |
Manufacturer
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IK Semiconductor |
Description
|
Tone/pulse Dialer |
Published
|
Oct 12, 2010 |
Detailed Description
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TECHNICAL DATA
com
Tone/Pulse Dialer with Handsfree Control and Flash Function
IL91214A and IL91214B a...
|
Datasheet
|
IL91214B
|
Overview
TECHNICAL DATA
com
Tone/Pulse Dialer with Handsfree Control and Flash Function
IL91214A and IL91214B are tone/pulse dialers designed for providing standard DTMF or pulse signals.
The ICs enable to: - generate standard DTMF or pulse signals of dialing as well as “flash” pulses; - store and redial last number; - generate pause in the transmitted package of dial signals; ICs are designed to be used in telephone sets.
PIN DESCRIPTION
HK MODE IN OSCI
01 02
16 15
R4 R3 R2 R1 C3 C2 C1 DP
Pin # A B
Designation HK MODE IN
Description Hook switch input MODE IN = VDD: pulse mode, 10 Hz, М/В = 1/2, MODE IN = VSS: tone mode, MODE IN = floating mode, 20 Hz, М/В = 1/2 Oscillator i...
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