NTSC/PAL Clock
MK2712 NTSC/PAL Clock Source
Description
The MK2712 is the ideal way to generate clocks for NTSC/PAL video encoders and ...
Description
MK2712 NTSC/PAL Clock Source
Description
The MK2712 is the ideal way to generate clocks for NTSC/PAL video encoders and decoders. Stored in the device are two sets of popular frequencies for NTSC and PAL. In an 8 pin SOIC, the chip can save component count, board space, and cost over surface mount crystals and oscillators, and increase reliability by eliminating one or two mechanical devices from the board. The power down pin turns off the device, drawing less than 20µA. ICS/MicroClock offers many other clocks for computers and computer peripherals. Consult us when you need to remove crystals and oscillators from your board.
Features
Packaged in 8 pin SOIC Ideal for chips such as Analog Devices AD722 and Brooktree BT819 Input clock frequency of 27.0000 MHz Power down turns off chip Output enable tri-states output for system testing Frequencies are within 1 ppm with accurate input clock Low jitter Output clock frequencies of 14.31818MHz, 17.7345MHz, 28.6364MHz, or 35.46896MHz 25mA drive capability at TTL levels 3.3V or 5V supply voltage Advanced, low power CMOS process Insensitive to input clock duty cycle
Block Diagram
VDD
GND
FS0, 1 PD 27.00 MHz clock input
2 PLL Clock Synthesis Circuitry Output Buffer NTSC/PALCL OCK
OE
MDS 2712 C
1
Revision 061401
Integrated Circuit Systems 525 Race Street San Jose CA 95126 (408)295-9800tel www.icst.com
MK2712 NTSC/PAL Clock Source
Pin Assignment
ICLK VDD GND NPCLK 1 2 3 4 8 pin SOIC 8 7 6 5 F...
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