General Description
The HT9032 calling line identification receiver is a low power CMOS integrated circuit designed for receiving physical layer signals transmitted according to Bellcore TR-NWT-000030 and ITU-T V.23 specifications. The primary application of this device is for products used to receive and display the calling number, or message waiting indicator sent to subscribers from the central office facilities. The device also provides a carrier detection circuit and a ring detection circuit for easier system applications.

FEATUREs
Operating voltage: 3.5V~5.5V
Bell 202 FSK and V.23 demodulation
Ring detection input and output
Carrier detection output
Power down mode
High input sensitivity

HT9032C: 16-pin DIP/SOP package
 HT9032D: 8-pin DIP/SOP package

Applications
Feature phones
Caller ID adjunct boxes
Fax and answering machines
Computer telephony interface products
ADSI products