关注微信公众号查券更方便
PC74LVC273D PC74HT4351P PC74HCT688T PC74HCT670P PC74HCT648P
PC74LVC08AD PC74HT4351P PC74HCVT245 PC74HCT688T PC74HCT688P
丝印PC74HCT00P PC74HC702T PC74HC688T PC74HC688P PC74HC688J