Microchip's VT-840 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output, analog temperature compensated oscillator, operating off a 1.8, 2.5, 2.8, 3.0 or 3.3 volt supply in a hermetically sealed 2.5x2.0 ceramic package. ***The VT-840 is EOL and the alternate product family is our VT-841A series. Please contact your local sales office for more information***