The ECS-TXO-20CSMV-384-AY-TR from ECS Inc. International is a TCXO with Frequency 38.4 MHz, Supply Voltage 2.7 to 3.465 V, Current 2.5 mA, Frequency Stability ±500 ppb, Operating Temperature -30 to 85 Degree C. Tags: Surface Mount. More details for ECS-TXO-20CSMV-384-AY-TR can be seen below.