IL91214A Datasheet, PDF (1/14 Pages) IK Semicon Co., Ltd – store and redial last number

TECHNICAL DATA
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.
IL91214A/B
Device
IL91214AN
IL91214AD
IL91214ADT
IL91214BN
IL91214BD
IL91214BDT
ORDERING INFORMATION
Operating
Temperature
Package
Range
DIP16
SOP16
TA = -20 to 70 C
SOP16
DIP18
SOP18
SOP18
Packing
Tube
Tube
Tape & Reel
Tube
Tube
Tape & Reel
D SUFFIX
SOIC
IL91214A/BN Plastic
IL91214A/BD SOIC
R1
KEYBOARD
LOGIC
R4
C1
C3
REDIAL MEMORY
32 DIGITS
MODE IN
HK
INPUT
LOGIC
CONTROL
LOGIC
OUTPUT
LOGIC
DP
KT
XMIT MUTE
MODE OUT
DTMF
GENERATOR
OSC.
VDD
TONE
OSCI
OSCO
Figure. BLOCK DIAGRAM
April 2013, Ver. 02