型號 廠商 描述
dn74ls173
2		 Quad D-Type Flip-Flop
dn74ls173s
2		 Quad D-Type Flip-Flop
dn74ls174
2		 Hex D-Type Flip-Flop
dn74ls174s
2		 Hex D-Type Flip-Flop
dn74ls175
2		 Quad D-Type Flip-Flop
dn74ls175s
2		 Quad D-Type Flip-Flop
dn74ls22
2		 Dual 4-input NAND Gate
dn74ls221
2		 Logic IC
dn74ls221d
2		 Logic IC
dn74ls221s
2		 Logic IC
dn74ls221sd
2		 Logic IC
dn74ls22s
2		 Dual 4-input NAND Gate
dn74ls24
2		 Logic IC
dn74ls240
2		 Dual 4-Bit Inverting Buffer/Driver
dn74ls240s
2		 Dual 4-Bit Inverting Buffer/Driver
dn74ls241
2		 Dual 4-Bit Non-Inverting Buffer/Driver
dn74ls241s
2		 Dual 4-Bit Non-Inverting Buffer/Driver
dn74ls242
2		 Logic IC
dn74ls242d
2		 Logic IC
dn74ls242s
2		 Logic IC
dn74ls242sd
2		 Logic IC
dn74ls243
2		 Logic IC
dn74ls243d
2		 Logic IC
dn74ls243s
2		 Logic IC
dn74ls243sd
2		 Logic IC
dn74ls244
2		 Dual 4-Bit Non-Inverting Buffer/Driver
dn74ls244s
2		 Dual 4-Bit Non-Inverting Buffer/Driver
dn74ls245
2		 Single 8-bit Bus Transceiver
dn74ls245s
2		 Single 8-bit Bus Transceiver
dn74ls247
2		 Logic IC
dn74ls247d
2		 Logic IC
dn74ls247s
2		 Logic IC
dn74ls247sd
2		 Logic IC
dn74ls249
2		 Logic IC
dn74ls249d
2		 Logic IC
dn74ls249s
2		 Logic IC
dn74ls249sd
2		 Logic IC
dn74ls24d
2		 Logic IC
dn74ls24s
2		 Logic IC
dn74ls24sd
2		 Logic IC
dn74ls251
2		 8-Input Digital Multiplexer
dn74ls273
2		 Logic IC
dn74ls273d
2		 Logic IC
dn74ls273s
2		 Logic IC
dn74ls273sd
2		 Logic IC
dn74ls279
2		 S-R-Type Latch
dn74ls279s
2		 S-R-Type Latch
dn74ls27s
2		 Triple 3-input NOR Gate
dn74ls28
2		 Quad 2-input NOR Gate
dn74ls280
2		 Logic IC