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XC25BS7
PLL Clock Generator ICs with Built-In Divider/Multiplier Circuits

General Description

The XC25BS7 series are high frequency, low power consumption PLL clock generator ICs with divider circuit & multiplier PLL circuit. Laser trimming gives the option of being able to select from input divider ratios (M) of 1 to 256 and output divider ratios (N) of 1 to 256. Output frequency (fQ0) is equal to reference clock oscillation (fCLKin) multiplied by N/M, within a range of 1MHz to 100MHz. Further, frequency within a range of 32kHz to 36MHz can be inputted as a reference clock. The IC stops operation when L level signal is inputted to the CE pin. For this, consumption current can be reduced and output will be one of high-impedance. Because the series is semi-custom, please ask Torex sales contacts for your requested specifications such as input/output frequency, supply voltage. However, the series has the limit of specifications; therefore, your request may not be fully satisfied with your requested frequency range.

Features

  • Input Frequency : 32kHz ~ 36MHz *1
  • Output Frequency : 1MHz ~ 100MHz (fQ0=fCLKin×N/M) *1
  • Output Divider (N) : Selectable from divisions from 1 to 256 (*1)
  • Input Divider (M) : Selectable from divisions from 1 to 256 (*1)
  • Operating Voltage Range : 2.50V ~ 5.50V *1
  • Low Power Consumption : CMOS with stand-by function (*2)(10μA, MAX. when stand-by)
  • Ultra Small Packages : SOT-25, USP-6C
*1: The series are semi-custom products. Specifications for each product are limited within the above range. The input frequency range is set within ±5% of customer’s designated typical frequency.
 

*2: When the IC is in stand-by mode, the output becomes high impedance and the IC stops operation.

 

Applications

  • Clock for controlling a Imaging dot
  • Microcomputer and HDD drives
  • Cordless phones
  • Wireless communication equipment
  • PDAs
  • Cameras, VCRs
  • Various system clocks

Typical Application Circuit

 
 
 

 

 
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