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