M66238FP

MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉 M66238FP M66238FP STANDARD CLOCK GENERATOR WITH PLL FREQUENCY SYNTHESIZER STANDARD CLOCK GENERATOR WITH PLL FREQUENCY SYNTHESIZER DESCRIPTION The M66238 is a LSI that incorporates a PLL synthesizer and a sync clock generator in it. The PLL synthesizer covers the range of 25MHz to 50MHz at the minimum steps of 3kHz. The sync circuit outputs a clock and a one-shot pulse which are synchronized with an external trigger signal. Setting a dividing ratio allows acquisition of sync clock outputs within the range of 0.78MHz to 25MHz. FEATURES Sync clock output frequency range: 1/1, 1/2, 1/4, 1/8, 1/16, 1/32 of 25 to 50MHz Sync accuracy (jitter): ±3ns Trigger input: Polarity selectable One-shot pulse output: Polarity and width selectable 5V power supply APPLICATION Pixel clock generator PIN CONFIGURATION (TOP VIEW) DIGITAL GND PIN DGND 1 32 31 30 RESET INPUT RESET → 2 CHIP SELECT INPUT SERIAL DATA INPUT CS → 3 SIN → 4 AGND ANALOG GND PIN ANALOG POWER AVCC SUPPLY PIN AGND ANALOG GND PIN 29 → RV 28 27 SERIAL CLOCK INPUT SCLK → 5 CLOCK OUTPUT XOUT ← 6 CLOCK INPUT VCO LOAD OUTPUT ANALOG POWER AVCC SUPPLY PIN AGND ANALOG GND PIN FILTER CONNECT PIN AGND ANALOG GND PIN XIN → 7 8 26 ← CPIN 25 M66238FP DIGITAL GND PIN DGND DIGITAL POWER DVCC 9 SUPPLY PIN → 10  TCKI TEST PIN  TCKO ← 11 PLL OUTPUT CKO/PLLO ← 12 CLOCK OUTPUT CKOB ← 13 ONE-SHOT PULSE OUTPUT PULSE ← 14 24 → CPOUT FILTER CONNECT PIN 23 22 21 20 19 1...