High stability quartz oscillator (XO)
Statek

For those applications requiring a 32.768 kHz oscillator with high
frequency stability over temperature or fast start-up, Statek offers
the AT-crystal based 32.768 kHz CXO3M oscillator. A frequency
stability of ±20 ppm over -40OC to 85OC is possible, compared to
hundreds of parts-per-million for tuning-fork based 32.768 kHz oscillators.
Whereas tuning-fork based oscillators start in hundreds
of milliseconds, Statek's 32.768 kHz CXO3M oscillators start in
0.8 ms (typically).

FEATURES
High frequency stability over temperature
Fast start-up
High shock resistance
Surface mount
CMOS and TTL compatible
Optional Output Enable/Disable with Tri-State
Low EMI emission
Hermetically sealed ceramic package
Full military testing available