TW9903-MB Overview
Embedded in the LQFP package is the encoder.Surface Mount is the one that mounts it.
TW9903-MB Features
In LQFP package

TW9903-MB Applications
There are a lot of Intersil (Renesas Electronics America)
TW9903-MB Encoders, Decoders, Converters applications.

Industrial Automation
Remote Status Monitoring
Lighting Control
Low-voltage operation
Extended temperature range
Low power consumption
UART Interfacing
Infrared Data Communications
Audio
Automotive

Mount	Surface Mount
Package / Case	LQFP
RoHS Status	RoHS Compliant
Mounting Type	Surface Mount
Package / Case	100-LQFP
Packaging	Tray
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Type	NTSC/PAL/SECAM Video Decoder
Applications	Multimedia
Base Part Number	TW9903
Voltage - Supply, Analog	3.15V~3.45V
Voltage - Supply, Digital	3.15V~3.45V
RoHS Status	ROHS3 Compliant