The ECX-L23CM-77.760 from ECS Inc. International is a General Crystal Oscillator with Frequency 77.76 MHz, Supply Voltage 2.5 V, Current 18 mA, Frequency Stability ±25 ppm, Operating Temperature -20 to 70 Degree C. Tags: Surface Mount. More details for ECX-L23CM-77.760 can be seen below.