制造商:Freescale Semiconductor
功能描述:Logic Circuit, Quad 2-Input NOR, LS-TTL, 14 Pin, Plastic, DIP
制造商:Texas Instruments
功能描述:
74LS02SJX
74LS03
74LS03DR
74LS03DR2
74LS03N
74LS03P
74LS04
74LS04D
74LS04DC
74LS04DR