name:         HT9200B
function:     DTMF Generators
package:      DIP/SOP14,14
manufacturer: Holtek

    +--()--+
CEB | 1  14| VDD
 X2 | 2  13| DTMF
 X1 | 3  12| DATA
VSS | 4  11| CLK
 NC | 5  10| SB/P
 D0 | 6   9| D3
 D1 | 7   8| D2
    +------+


This pinout came from the Chipdir:
http://www.chipdir.org/