■ General Description

The XC2151 series are a group of high frequency, CMOS low power crystal oscillators with oscillator & divider circuitry, oscillator capacitors and amplifier feedback resistors built-in.

An oscillator circuit can be created from just an external crystal.

Output frequency can be selected from four frequencies : Fundamental f0/1, Divided f0/2, f0/4, f0/8.

The output buffer is 3-State and has a fanout of 10 - TTL.

■ Features

High Precision : Built-in oscillator capacitors

16pF TYP (or selectable from 10 ~ 20pF)

: On-chip amplifier feedback resistor

5M? TYP (or selectable from 1.6k? ~

8.4k?)

Oscillator Frequency : 4MHz ~ 70MHz

Divider Ratio : Selectable from f0/1, f0/2, f0/4, f0/8

Output : 3-State, 10 - TTL fanout

Operating Voltage Range

: 4.0V ~ 6.0V

Small Quiescent Current

Stand-By Function

Low Cost : Oscillator circuit can be created from just an external crystal

Ultra Small Package : SOT-26 (150mW) mini mold

■ Applications

● Crystal Oscillator Modules

● Communication Equipment

● Microcomputers

● Clock Units in Motor Control

● System Clocks on Boards

● Timers

● Palmtops