■ 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
                               5MΩ TYP (or selectable from 1.6kΩ ~
    8.4kΩ)
    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