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MN67603NS
For Video Equipment MN67603NS NTSC Color Camera Synchronizing Signal Generator LSI Overview The MN67603NS is a CMOS LSI that generates NTSC color camera synchronizing signals as defined by the EIA RS-170A standard. It features a built-in 4fSC (14.31818 MHz) crystal oscillator circuit and divides that frequency to generate the horizontal synchronizing signal fH (15.7 kHz), the vertical synchronizing signal fV (60 Hz), and the composite synchronizing signal. It also divides the 4fSC clock signal frequency by four to generate the color subcarrier frequency signals SC1 and SC2. It includes a vertical reset (VR) input pin for resetting the leading edge of the V-SERATION (3H) signal with the falling edge of the input signal. It also includes separate clock input pins for the color subcarrier frequency signal circuits and the synchronizing signal circuits to permit synchronization with such external synchronization LSIs as the MN6761S. Pin Assignment VDD1 1 22 VDD2 VSS1 2 21 VSS2 EX4fSCI 3 20 SYNC 4fSCOSCI 4 19 VD 4fSCOSCO 5 18 WHD SC1 6 17 BLK SC2 7 16 HD EXT/INT 8 15 CP2 VR 9 14 WBLK TEST2 10 13 BF EX910fHI 11 12 TEST1 (TOP VIEW) SOP022-P-0375 Features Power-saving CMOS synchronization signal generator (conformed to EIA RS-170A standard) Built-in 14.31818 MHz clock generator 10 signal outputs including horizontal and vertical synchronization signals and color subcarrier frequency signals Applications Color video cameras SDB00062BEM 1
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