MK2745-21

Features: • Packaged in 16 pin narrow (150 mil) SOIC• Ideal for LuxSonor's DVD solutions• 3.3V upgrade to MK2744• Patented zero ppm audio clock error for 256X and 384X sampling rates• Selectable audio sampling frequencies support 32 kHz, 44.1 kHz, and 48 kHz in most D...

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SeekIC No. : 004421694 Detail

MK2745-21: Features: • Packaged in 16 pin narrow (150 mil) SOIC• Ideal for LuxSonor's DVD solutions• 3.3V upgrade to MK2744• Patented zero ppm audio clock error for 256X and 384X sampli...

floor Price/Ceiling Price

Part Number:
MK2745-21
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Packaged in 16 pin narrow (150 mil) SOIC
• Ideal for LuxSonor's DVD solutions
• 3.3V upgrade to MK2744
• Patented zero ppm audio clock error for 256X and 384X sampling rates
• Selectable audio sampling frequencies support 32 kHz, 44.1 kHz, and 48 kHz in most DACs
• 27.00 MHz fundamental crystal or clock input
• Eight selectable processor frequencies
• Fixed clocks of 27 and 24.576 MHz
• Zero ppm error in all clocks
• Full CMOS outputs with 25mA output drive capability at TTL levels
• Advanced, low power, sub-micron CMOS process
• 3.0V to 5.5V operating voltage
• See also the MK2712 for NTSC/PAL clocks



Pinout

  Connection Diagram


Specifications

Parameter
Conditions
Minimum
Typical
Maximum
Units
Supply Voltage, VDD Referenced to GND
7
V
Inputs Clock Outputs Referenced to GND
-0.5
VDD+0.5V
V
Ambient Operating Temperature  
0
70
Soldering Temperature Max of 20 seconds
260
Storage temperature  
-65
150



Description

The MK2745-21 is a low cost, low jitter, high performance clock synthesizer for DVD and other MPEG 2 based applications. Using analog Phase- Locked Loop (PLL) techniques, MK2745-21 accepts a 27.00MHz fundamental mode crystal or clock input to produce multiple output clocks including the processor clock, the processor clock divided by two, 27 MHz, 24.576 MHz, and a selectable audio clock. The audio clocks of MK2745-21 are frequency locked to the 27.00MHz input using our patented zero ppm error techniques, allowing audio and video to track exactly, thereby eliminating the need for large buffer memory.

MicroClock MK2745-21 manufactures the largest variety of DVD, Set-Top Box, and multimedia clock synthesizers for all applications. Consult MicroClock to eliminate crystals and oscillators from your board.




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