5X7 6M OSC 5X7 7.5M 3.3V 20PPM 5X7 7.6M OSC 5X7 70.656M OSC 5X7 75M OSC TXC 5X7 77.76M OSC 5X7 8.192M 3.3V 20PPM 5X7 80M OSC 5X7 8M 18PF 20PPM 5X7 8M OSC