MC44140 - Motorola

MC44140 Chroma Delay Line HCMOS Technology

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) sine wave. System selection. 4–level signal supplied by MC440XX to indicate whether color difference signals are PAL, NTSC, SECAM, or EXTERNAL. Sandcastle pulse. Periodic .

Features

B 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.