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LC89950

Features: • 5-V single-voltage power supply• Two input and output systems, one each for R-Y and BY signals• Takes a sandcastle pulse (SCP) as the input clock, and converts that to a burst gate pulse (BGP) signal internally.• Generates the CCD drive pulses (4 MHz) from the i...

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SeekIC No. : 004392674 Detail

LC89950: Features: • 5-V single-voltage power supply• Two input and output systems, one each for R-Y and BY signals• Takes a sandcastle pulse (SCP) as the input clock, and converts that to ...

LC89950 Data Sheet

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Part Number:
LC89950
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• 5-V single-voltage power supply
• Two input and output systems, one each for R-Y and BY signals
• Takes a sandcastle pulse (SCP) as the input clock, and converts that to a burst gate pulse (BGP) signal internally.
• Generates the CCD drive pulses (4 MHz) from the input clock using a PLL circuit.
• Uses BGP as clamp pulses and clamps the no signal section (back porch) once every horizontal scan period.
• The output signal is in-phase with the input signal


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VDD
0.3 to +6.0
V
Allowable power dissipation
Pd max
450
mW
Operating temperature
Topr
10 to +60
°C
Storage temperature
Tstg
55 to +125
°C



Description

The LC89950 is an IC that provides 1H delay processing for color difference signals used in PAL and SECAM format TV. The LC89950 has two CCD systems, one for the R-Y and one for the B-Y signal, and drives these CCDs with a 4-MHz clock generated within the IC. It uses a sandcastle-shaped three-value input clock with a 1 H (64 µs) period.




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