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MC44140

Part Number	MC44140
Manufacturer	Motorola
Published	Feb 26, 2007
Description	Chroma Delay Line HCMOS Technology
Detailed Description	www.DataSheet4U.com MOTOROLA SEMICONDUCTOR TECHNICAL DATA Orde
Datasheet	MC44140 PDF File

Overview

www.
DataSheet4U.
com MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by MC44140/D Chroma Delay Line HCMOS Technology The MC44140 is a monolithic 64 µ s delay line, intended for color TV applications.
It may be used as a baseband chroma correction circuit (with PAL), or as a chroma delay line (with SECAM).
The device has been designed for use with the MC44000 as part of CHROMA 4, or with the MC44011, but may also be used as a general purpose delay line for other applications.
• • • • • • • • Part of SYSTEM 4 Concept Works with Baseband Color Difference Signals PAL (4.
43 MHz)/SECAM/NTSC Capability Uses 17.
734475 MHz Clock with PAL/SECAM Signals 8–Bit Sampling at 1/6 Clock Frequency External Inputs (Satellite .
.
.
.
) Minimum Number of External Components Low Current (35 mA), + 5 V Supply MC44140 16 1 P SUFFIX PLASTIC PACKAGE CASE 648–08 16 1 DW SUFFIX PLASTIC PACKAGE CASE 751G–02 ORDERING INFORMATION MC44140P MC44140DW Plastic DIP SO–L PIN ASSIGNMENT CK VDD VSS SC SS IN1B OUT1 EXT1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 BIAS IN1A IN2A VDD VSS IN2B OUT2 EXT2 © Motorola, Inc.
1995 MOTOROLA REV 10 2/95 MC44140 2–1 BLOCK DIAGRAM ANALOG VDD ANALOG VSS DIGITAL VDD DIGITAL VSS EXT R–Y EXT B–Y BIAS 2 3 16 13 12 8 9 – CLOCK 1 + BLACK LEVEL VOLTAGE CL4 CL4 CLOCK GENERATOR BIAS SOURCE SAND– 4 CASTLE SYSTEM SELECT 5 SANDCASTLE AND SYSTEM SELECTION DECODER EXT CL1 CL3 SECAM SR A/D CL2 CL4 1 2 CLOCKS CONTROL PAL NTSC R–Y IN 6 CL1 CL3 BLACK LEVEL CURRENT CL1 R–Y IN 15 A D 166 CELLS 8–BIT SHIFT REGISTER D A NOT NTSC EXT EXT SECAM 2 7 NTSC PAL AND NTSC R–Y OUT SECAM 1 B–Y IN 11 CL2 CL3 BLACK LEVEL CURRENT CL2 10 NTSC PAL AND NTSC B–Y OUT SECAM 1 B–Y IN 14 A D 166 CELLS 8–BIT SHIFT REGISTER D A NOT NTSC SECAM 2 MC44140 2–2 MOTOROLA PIN DESCRIPTIONS Pin 2 3 1 5 4 Symbol VDD VSS CK SS SC Positive supply voltage.
Supply ground.
System clock.
Supplied from MC440XX master clock.
Either 17.
734475 MHz (PAL and SECAM) or 14.
31818 MHz (NTSC) sin...

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