TC90A18AF, TC90A18F, TC90A23F Selling Leads, Datasheet
MFG:QFP-100P Package Cooled:QFP D/C:06+
TC90A18AF, TC90A18F, TC90A23F Datasheet download
Part Number: TC90A18AF
MFG: QFP-100P
Package Cooled: QFP
D/C: 06+
TC90A18AF, TC90A18F, TC90A23F
- Table of contents:
Info of TC90A18AF
Info of TC90A18F
Info of TC90A23F
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About TC901
PDF/DataSheet Download
Datasheet: TC901
File Size: 52216 KB
Manufacturer: MICROCHIP [Microchip Technology]
Download : Click here to Download
About TC901
PDF/DataSheet Download
Datasheet: TC901
File Size: 52216 KB
Manufacturer: MICROCHIP [Microchip Technology]
Download : Click here to Download
About TC901
PDF/DataSheet Download
Datasheet: TC901
File Size: 52216 KB
Manufacturer: MICROCHIP [Microchip Technology]
Download : Click here to Download
TC90A18AF General Description
The TC90A18AF is a time-compression LSI for wide-screen TVs. With a compression ratio of 0.5 to 2, the device can display a 4:3 aspect ratio NTSC/PAL signal on a 16:9 aspect ratio TV screen. Using horizontal 16-point variable compression, this LSI can realize digital super live mode. Among the wide range of functions offered by the LSI are EDTV-II broadcast detection, letterbox detection, and caption detection.
The features of TC90A18AF can be summarized as (1)fixe ratio compression processing: 0.5 to 1 fixed ratio compression (64 steps), 1 to 1.5 x fixed ratio expansion (32 steps), 2 x expansion; (2)digital super live mode: compression and expansion with specified ratio within a horizontal period (16 points settable); (3)EDTV-II: NRZ pattern detection, DC offset detection, Top and bottom blank portion detection; (4)letterbox detection; (5)caption detection; (6)incorporates two 8-bit ADCs for Y/V and I/Q inputs; (7)incorporates three 8-bit DACs for Y, I, and Q outputs; (8) incorporates 1368fHVCO; (9)I2C bus control (slave address : 40H); (10)3.3V single power supply.
The functions of TC90A18AF can be summarized as (1)VDD: digital power supply: +3.3V; (2)VCOGND: VCO GND; (3)FIL11: external filter pin 1 for VCO1; (4)FIL12: external filter pin 2 for VCO1; (5) VSS:digital GND; (6)QIN: Q signal input; (7)VSSAD1: analog GND; (8)IIN: I signal input; (9)VRBC: I/O ADC reference voltage; (10)CLMPVC: I/O clamp pin and so on.
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