关注微信公众号查券更方便
SN74LS02N/03N/06N/09N SN74HC04N/09N/11N/14N DIP14 IC 芯片
NXP74HC21D,653两路4输入逻辑IC
SN74HC00N02040832N逻辑IC
SN74HC11N逆变器逻辑芯片