This part is a kind of semiconductor called CTX128.

Function of this product has Clock Oscillator.

Manufacturers : Digikey

Image and pinout :

Some of the text within the PDF file :

ç Prev Page MXO45 Clock Oscillators Standard Output • Frequency Tolerance: ±100ppm, 0°C ~ 70°C • CMOS compatible • Fully hermetically-sealed package • 8/14-pin compatible • Drives up to 10 standard TTL Loads • Input Voltage: +5V DC ± .5V V0H 1 Next Page è Parameter Supply Voltage Supply Current Output Load Output Current Test A Symbol VCC ICC IOH IOH Duty Tr/Tf Tr/Tf VIH VIL Cin Iz Condition 1.0 ~ 7.0MHz >7.0 ~ 25MHz >25 ~ 50MHz VOH= 3.9V VOH= 0.4V 1.0 ~ 50MHz >50 ~ 70MHz 1.0 ~ 25MHz >25 ~ 70MHz VIL= 0.8V Peak-Peak Minimum Typical 4.5 45 40 2 0°C ~ 70°C 5 5 15 30 5 3 30 Maximum Units 5.5 12 25 40 10 -16 16 55 60 8 5 0.8 10 0.05 50 V mA mA mA T [ ... ]

CTX128 PDF Datasheet Download