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IL91214 fiches techniques PDF

IK Semiconductor - Tone/Pulse Dialer with Handsfree control and Flash Function

Numéro de référence IL91214
Description Tone/Pulse Dialer with Handsfree control and Flash Function
Fabricant IK Semiconductor 
Logo IK Semiconductor 





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IL91214 fiche technique
Tone/Pulse Dialer with Flash Function
TECHNICAL DATA
IL91214A/B
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
www.DataSheet4U.comTA = -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
MODE IN
HK
INPUT
LOGIC
CONTROL
LOGIC
DTMF
GENERATOR
OSC.
VDD
TONE
OSCI
OSCO
Fig. 1. Block diagram.

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