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CGS3311 - CMOS Crystal Clock Generators

General Description

CD port (CGSTM) applications up to 110 MHz.

enC") requiring a minimum of external components.

Key Features

  • National's CGSTM family of devices for high frequency.
  • Output has high speed short circuit protection.
  • Basic oscillator type: Pierce.
  • Hysteresis inputs to improve noise margin . ~ clock source.

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.a..'.). C") enC") ~National U C.o...!.J.. Semiconductor .c..o.. PRELIMINARY C") enC") CMOS Crystal Clock Generators oC..........!...J.... CGS3311/CGS3312/CGS3313/CGS3314/CGS33151 CGS3316/CGS3317/CGS3318/CGS3319 C") enC") C.o...!.J.. General Description These devices are designed for Clock Generation and Sup- .....CD port (CGSTM) applications up to 110 MHz. The CGS331 x C") series of devices are crystal controlled CMOS oscillators enC") requiring a minimum of external components. The 331 x de- oC!J vices provide selectable output divide ratio (and selectable ....... crystal drive level). The circuit is designed to operate over a .....LI) wide frequency range using fundamental model or overtone C") crystals.