TECHNICAL DATA
IN5851
PULSE DIALER WITH REDIAL
The IN5851 is a monolithic CMOS integrated circuit which uses an
inexpensive RC oscillator for its frequency reference and provides all the
features required for implementing a pulse dialer with 32 digit redial.
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Wide operating voltage range (2.0~6.0V)
Low power dissipation
Use either a standard 2 of 7 matrix keyboard with negative true
common or the inexpensive form A-type keyboard
Make/Break ratio can be selected
Redial with * or #
ORDERING INFORMATION
IN5851N Plastic
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TA = -20° to 70° C
Continuous MUTE
Power up clear circuitry on chip
10 pps/20 pps can be selected
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 1 = VCC
PIN 6 = GND
1
INTEGRAL [ INTEGRAL CORP. ]
