SN74LS169 175P 190 191 192 193N芯片集成电路IC 封装DIP-16直插
SN74LS165 169 175P 190 191 192 193N直插芯片集成电路IC DIP-16
SN74LS00 74LS20 74LS151 74LS138 74LS153 74LS74 74LS191 芯片
SN74LS190N 191 193 194 196 240 243 244 245 247 248 273 直插
SN74LS138DR 148 156 157 191 SN74LS139ADR SOP16 编码器IC
全新现货|直插 74LS191 SN74LS191N HD74LS191P DIP-16 逻辑IC
SN74LS169 175P 190 191 192 193N芯片集成电路IC 直插DIP-16封装
全新国产 直插 74LS191 SN74LS191N HD74LS191P DIP-16 逻辑IC
SN74LS191N HD74LS191P 74LS191 逻辑计数器芯片 直插DIP16
全新进口原装 SN74LS191N 74LS191同步可逆计数器 现货可直拍
SN74LS191N 数字电路IC直插集成数字电路芯片全新原装正品74LS191
DM74LS191MX『BINARY COUNTER』 现货
SN74LS191NSR『IC SYNC 4-BIT UP/DN CNTR 16SO』 现货
DM74LS191N『IC COUNTER BINARY UP/DOWN 16-DIP』 现货
SN74LS191DR『IC SYNC 4-BIT UP/DN CNTR 16-SOIC』 现货
SN74LS191N『IC SYNC UP/DOWN COUNTER 16-DIP』 现货
SN74LS191DR/SN74LS191N/SN74LS191NSR
DM74LS174M/DM74LS175N/DM74LS191N
SN74LS190N/SN74LS191D/SN74LS191DE4