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IL91214B

Integral
Part Number IL91214B
Manufacturer Integral
Description Tone/Pulse Dialer
Published Mar 24, 2010
Detailed Description TECHNICAL DATA www.DataSheet4U.com IL91214A/B Tone/Pulse Dialer with Flash Function IL91214A and IL91214B are tone/pu...
Datasheet PDF File IL91214B PDF File

IL91214B
IL91214B

Overview
TECHNICAL DATA www.
DataSheet4U.
com IL91214A/B Tone/Pulse Dialer with 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.
D SUFFIX SOIC ORDERING INFORMATION IL91214A/BN Plastic IL91214A/BD SOIC TA = -20° to 70° C for all packages R1 KEYBOARD LOGIC R4 C1 C3 REDIAL MEMORY 32 DIGITS OUTPUT LOGIC DP KT XMIT MUTE MODE OUT VDD DTMF GENERATOR TONE MODE IN HK OSCI OSCO INPUT LOGIC CONTROL LOGIC OSC.
Fig.
1.
Block diagram.
IL91214 A, IL91214B www.
DataSheet4U.
com PIN DESCRIPITION Pin # HK M O D E IN 01 02 16 15 R4 R3 R2 R1 C3 C2 C1 DP 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 = floatin...


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