Mura bhfuil do shuíomh liostaithe, roghnaigh ceann amháin díobh seo a leanas le do thoil:
IDT, Integrated Device Technology Inc
IC OSC CLOCK PROG 8-TSSOP. Standard Clock Oscillators 2 LVCMOS 3RD OVERTONE
STMicroelectronics
IC OSC SINGLE TIMER 500KHZ 8-DIP.
ON Semiconductor
IC OSC SINGLE TIMER 8-DIP.
IC DIVIDER/TIMER PROGR 16-SOIC.