CXD2131Q - Sony Corporation

CXD2131Q Video Aspect Ratio Identification Signal Encoder/Decoder

The CXD2131Q is an IC that encodes and decodes video aspect ratio identification signal (conforming to EIAJ Standard CPX-1204) in the vertical blanking interval of an NTSC video signal. Features • The processing formerly carried out by the two chips CXA1727Q and CXD2122AQ has been consolidated into this one chip. • Both microcomputer serial interface and I2C.

Features

• The processing formerly carried out by the two chips CXA1727Q and CXD2122AQ has been consolidated into this one chip.
• Both microcomputer serial interface and I2C interface functions are built in. Applications Wide-screen converters 32 pin QFP (Plastic) televisions, VCRs, MUSE-NTSC Structure Silicon gate CMOS IC Absolute Maximum Ratings
• Supply voltage VDD VSS
  – 0.5 to +7.0
• Input voltage VI VSS
  – 0.5 to VDD + 0.5
• Output voltage VO VSS
  – 0.5 to VDD + 0.5
• Storage temperature Tstg
  –55 to +150 Recommended Operating Conditions
• Supply voltage VDD 4.5 to 5.5
• Operating temperature To.