Part Number	CD22859
Manufacturer	Intersil
Overview	Semiconductor T UCT ROD ACEMEN 47 P E 7 T L OLE REP 00-442-7 OBS ENDED 8 M ns 1 .com COM pplicatio @harris E R NOSheet tapp ral A Data February 1999 Cent ail: cen l l a m C e or CD22859 File Number . * Mute Drivers On-Chip * Device Power can Either be Regulated DC or Telephone Loop Current * Use of an Inexpensive 3.579545MHz TV Crystal Provides High Accuracy and Stability for all Frequencies Applications * For Use In Dual-tone Telephone Dialing Systems Pinout CD22859 (PDIP) TOP VIEW VDD 1 TX .