HD151TS301RP

www.DataSheet4U.com HD151TS301RP Clock Generator for Printer ADE-205-603D (Z) Rev. 4 Sep. 2001 Description The HD151TS301RP is a high-performance clock generator. It is specifically designed for printer. Features Supports 20 MHz to 50 MHz operation. (Designed for 24 MHz and 48 MHz) 1 copy of clock out with spread spectrum modulation @3.3 V 1 copy of reference clock @3.3 V Programmable spread spectrum modulation (–0.5%, –1.0%, –2.0% and –3.0% down spread modulation.) SOP-8pin Key Specifications Supply voltages : VDD = 3.3 V±0.165 V Ta = 0 to 70°C operating range Clock output duty cycle = 50±5% HD151TS301RP Pin Arrangement SSCCLKOUT 1 8 SEL1 VDD 2 7 CLKOUT GND 3 6 SEL0 XIN 4 5 XOUT (Top view) SSC Function Table SEL1 :0 00 01 10 11 Spread Percentage –1.0% –3.0% –2.0% –0.5% Note: –3.0% spread percentage is selected @ default. Rev.4, Sep. 2001, page 2 of 8 HD151TS301RP Pin Descriptions Pin name GND VDD CLKOUT SSCCLKOUT XIN XOUT SEL0 SEL1 No. 3 2 7 1 4 5 6 8 Type Ground Power Output Output Input Output Input Input Description GND pins Power supplies pins. Nominal 3.3 V. Normal 3.3 V reference clock output. Spread spectrum modulated clock output. Oscillator input. Oscillator output. SSC mode select pin. LVCMOS level input. Internal pull–up resistors (typically 100 kΩ). SSC mode select pin. LVCMOS level input. Internal pull–down resistors (typically 100 kΩ). Block Diagram VDD GND CLKOUT XIN OSC XOUT 1/n SSC Modulator SEL0 Mode Control SEL1 ...