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| CMOS Low Power Consumption Built-in Crystal Oscillator Circuit Reference Oscillation Frequencies : 5MHz to 35MHz Divider Ratios : 1 to 2047 divisions (laser trimming) Multiplier Ratios : 20 to 2047 multiplications (laser trimming) Comparative Frequencies : 14KHz to 500KHz Output Frequencies : 10MHz to 100MHz Mini Mold SOT-26 Package General Description The XC25BS1 series are high frequency, low power consumption PLL clock generator ICs with built-in crystal oscillator circuits, divider circuits & multiplier PLL circuits. Laser trimming gives the option of being able to select from divider ratios (M) of 1 to 2047 and multiplier ratios (N) of 20 to 2047. Output frequency (Qo) is equal to reference oscillation (f0) multiplied by N/M, within a range of 10MHz to 100MHz. Further, comparative frequencies, within a range of 14KHz to 500KHz, can be obtained by dividing the reference oscillation. By halting oscillation via the CE pin, consumption current can be controlled. Output will be one of high impedance. Applications Crystal Oscillation Modules Personal Computers PDAs Portable Audio Systems Various System Clocks Features Output Frequencies : 10MHz to 100MHz (Qo = f0 x N/M) Reference Oscillation (f0) : 5MHz to 35MHz Divider Ratios (M) : Selectable from divisions of 1 to 2047 Multiplier Ratios (N) : Selectable from multiplications of 20 to 2047 Output : 3 State Operating Voltage Range : 3.0V to 5.5V Low Power Consumption : CMOS ( standby function included) * Ultra Small Package : SOT - 26 mini mold * High output impedance during standby Pin Configuration Pin Assignment 6 5 4 /X T V SS Q0 1 2 3 XT V DD CE PIN NUMBER 1 2 3 4 5 6 PIN NAME /XT Vss Qo CE V DD XT FUNCTION Crystal Oscillator Connection (Output) GND PLL Output Chip Enable Power Supply Crystal Oscillator Connection (Input) or Standard Clock Input SOT-26 (TOP VIEW) CE, Q0 Pin Function Block Diagram VDD CE H L Open FUNCTION Clock output. Qo = PLL output (N/M) Standby. Output pin = high impedance Standby. Output pin = high impedance (VSS pin pull down due to IC's internal resistance) /X T 11 b it 1/M C o u n te r 11 b it P L L (xN ) Q0 CE XT VSS Absolute Maximum Ratings PARAMETER Supply Voltage XT Pin Voltage /XT Pin Voltage CE Pin Voltage Qo Pin Voltage Qo Output Current Power Dissipation Ambient Temp. Storage Temp. SYMBOL V DD V XT V /XT V CE V QO IQO PD Topr Tstg CONDITIONS VSS - 0.3 to VSS + 7.0 VSS - 0.3 to VDD + 0.3 VSS - 0.3 to VDD + 0.3 VSS - 0.3 to VDD + 0.3 VSS - 0.3 to VDD + 0.3 +/- 50 150 -30 to +80 -40 to +125 Ta=25 OC UNITS V V V V V mA mW O C O C B B |
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