M74HC273M1R M74HC273B1R M74HC266M1R M74HC266B1R M74HC259TTR

M74HC298B1R M74HC280M1R M74HC280B1R M74HC27RM13 M74HC273TTR

贴插BA7078AF-E2 STTH20P03SW M74HC273M1R EUP2561JIR1 N

贴插74LS241APC-74HC125M1R-74HC05FPEL-74HC273M1R

原THS6002IDWP PE-68026NLT MB8516=2716 M74HC273M1R原装