GENERAL DESCRIPTION
The XRT72L53, 3 Channel DS3/E3 Framer IC is designed to accept User Data from the Terminal Equipment and insert this data into the Payload bit-fields within an Outbound DS3/E3 Data Stream. Further, the Framer IC is also designed to receive an Inbound DS3/E3 Data Stream (from the Remote Terminal Equipment) and extract out the User Data.

FEATURES
• Transmits, Receives and Processes data in the DS3-C-bit Parity, DS3-M13, E3-ITU-T G.751 and E3-ITU-T G.832 Framing Formats.
• 3 Channel HDLC Controller - Tx and Rx
• Interfaces to all Popular Microprocessors
• Integrated Framer Performance Monitor
• Available in a 272 Ball PBGA package
• 3.3V Power Supply, 5V Tolerant I/O
• Operating Temperature -40°C to +85°C

APPLICATIONS
• Network Interface Units
• CSU/DSU Equipment.
• PCM Test Equipment
• Fiber Optic Terminals
• DS3/E3 Frame Relay Equipment