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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 XC25BS2 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. Q1 output is selectable from reference oscillation, comparative frequencies, PLL output frequencies /2, comparative frequencies/2. Further, comparative frequencies, within a range of 14KHz to 500KHz, can be obtained by dividing the reference oscillation. 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 : Q1 output selectable from reference oscillation, compar ative frequencies, PLL output frequencies/2, comparative frequencies/2. Operating Voltage Range : 3.0V to 5.5V Low Power Consumption : CMOS Ultra Small Package : SOT - 26 mini mold Pin Configuration Pin Assignment PIN NUMBER 1 2 3 4 5 SOT-26 (TOP VIEW) 6 PIN NAME /XT Vss Qo Q1 V DD XT FUNCTION Crystal Oscillator Connection (Output) GND PLL Output Reference Oscillation, PLL Output/2, Comparative Frequencies, Comparative Frequencies/2 Output Power Supply Crystal Oscillator Connection (Input) or Standard Clock Input /X T VSS Q0 1 2 3 6 5 4 XT VDD Q1 Block Diagram VD D 11 bit PL L (xN ) Q0 1 1 b i t 1 /M C ounter 1 2 1 2 XT F u se S e le c t VS S Q1 Absolute Maximum Ratings B PARAMETER Supply Voltage XT Pin Voltage /XT Pin Voltage Qo Pin Voltage Q1 Pin Voltage Qo Output Current Q1 Output Current Power Dissipation Ambient Temp. Storage Temp. SYMBOL V DD V XT V /XT V QO V Q1 IQO IQ1 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 +/- 50 150 -30 to +80 -40 to +125 Ta=25 OC UNITS V V V V V mA mA mW O C O C B |
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