The SM8220/SM8221 Calling Number Identification Receiver IC is a CMOS integrated circuit, which provides an interface to various calling information delivery services such as Calling Number Delivery (CND) and Calling Name Delivery (CNAM) compatible with the Bellcore GR-30-CORE. The device also contains a power down circuit, a ring detect circuit and a carrier detect circuit for easier system implementation.

FEATURES

?Compatible with Bellcore GR-30-CORE

?Integrated band pass filter

?FSK demodulator

Bell 202 and ITU-T V.23

?High input sensitivity: ?48 dBm typical

?Ring detect output

?Carrier Detect Output (SM8220)

?Power down mode: 1μA power down current

?Uses 3.579545 MHz crystal (SM8220) or external clock source

?Power supply voltage: 3V to 5.5V

?Low power consumption

?Molybdenum-gate CMOS process

?Package

SM8220: 16 pin SOP, 16 pin DIP

SM8221: 8 pin SOP, 8 pin DIP