E0C5250 Calling Number Identification Receiver Datasheet

E0C5250 CAS + FSK IC

• ITU V.23 & Bell 202 FSK Receiver
• Bellcore CPE Alerting Signal Detection
• BT Idle Tone Alert Signal Detection
• Low Voltage Operation

The CAS + FSK IC Calling Number Identification Receiver IC with Calling Waiting is a CMOS integrated circuit, which provides an interface to various calling information delivery services such as Calling Number Delivery (CND), Calling Name Delivery (CNAM) and Calling Identity on Call Waiting (CIDCW) compatible with the Bellcore GR-30-CORE, British Telecom Calling Line Identification Service (CLIP), the Cable Communications Association's Caller Display Services (CDS). The device also contains a power down circuit, a ring detect circuit, a carrier detect circuit, a synchronous receive data and clock output, 8051 like host interface for easier system implementation.

FEATURES
• Compatible with Bellcore GR-30-CORE, & SR-TSV-002476, BT SIN227 & SIN242
• Bellcore CPE Alerting Signal (CAS) and BT Idle Tone Alert Signal detection with programmable filter bandwidth
• ITU V.23 and Bell 202 FSK receiver
• Programmable CD level for each tone
• Ring detect or line reversal detection
• Carrier and ring detection output
• Users 3.579545 MHz crystal or external clock source
• Serial receive data output with clock
• Small pin count and low power consumption
• Power down mode
• Low voltage operation

APPLICATIONS
• Calling Number Delivery Service with Call Waiting
• Adjunct Boxes
• Telephone Answering Machines
• Feature Phones
• Fax Machines
• Computer Interface Products

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