GENERAL DESCRIPTION
The MSM6234 is a tone dialer LSI which is fabricated by Oki's low power consumption CMOS silicon gate technology. The MSM6234 can generate 16 DTMF (Dual Tone Multi Frequency) signals which consists of 4 higher group frequencies and 4 lower group frequencies.

FEATURES
• The standard 2 of 8 keyboard can be used.
• The low power consumption by use of CMOS silicon gate technology.
• Supply voltage 2.5 V to 8.5 V.
• Either single tone or dual tone output.
• 3.579545 MHz crystal oscillation.
• Interface with microcotroller.
• Package:
16-pin plastic DIP (DIP16-P-300-2.54) (Product name : MSM6234RS)