STD8420C| Datasheet

STD8420C, STD8420C_ST-A

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STD8420C
10-bit, 420/414-output PPDS TFT-LCD TV column driver
Data Brief

Features

Compatible with PPDS interface specification 420/414 LCD column driver (CD) outputs Giga-color support (1,073,741,824 colors / 30bpp) Supports digital independent, RGB gamma 1024 gamma-corrected gray levels per color built from a 12-bit linear DAC PPDS clock speed: up to 210MHz Output dynamic voltage range: 12.6 to 17.6V (analog supply: 13.0 to 18.0V) Digital supply voltage: 2.25 to 2.75V In-line bump pitch: 38um Dot and N-Line inversion support Ambient operating temperature: 0 to 70 C Package: COF (Chip on Flex) HVG-LS (high-voltage gate - large size) 2.5/20V dual gate oxide process

Description
STD8420C is a 420/414-output column driver for large size, TFT-LCD panels using National Semiconductor's point-to-point differential signaling interface (PPDS ). A 10-bit gamma corrected output is achieved using an array of 12bit linear DACs. This scheme supports digital independent RGB gamma and minimizes the required PCB trace routing.

February 2007

Rev 1

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