Citizen Finedevice Hc49Us6.144Mabj-Ub of Pins:2Pins; Operating Temperature Range:-10°C to +60°C; Output Frequency:6.144MHz; Temperature Stabilty:±50ppm.
Vishay Xt9Mnlana8M of Pins:2Pins; Operating Temperature Range:-20°C to +70°C; Output Frequency:8MHz; Temperature Stability + @:50ppm; Temperature Stability - @:50ppm; Temperature Stabilty:± 50ppm.