型號 廠商 描述
dn74ls156
2		 2-To-4-Line Demultiplexer
dn74ls156s
2		 2-To-4-Line Demultiplexer
dn74ls157
2		 2-Input Digital Multiplexer
dn74ls157s
2		 2-Input Digital Multiplexer
dn74ls158
2		 2-Input Digital Multiplexer
dn74ls158s
2		 2-Input Digital Multiplexer
dn74ls15s
2		 Triple 3-input AND Gate
dn74ls160a
2		 Synchronous Up Counter
dn74ls160as
2		 Synchronous Up Counter
dn74ls16-1
2		 Logic IC
dn74ls161a
2		 Synchronous Up Counter
dn74ls161as
2		 Synchronous Up Counter
dn74ls181
2		 Logic IC
dn74ls181d
2		 Logic IC
dn74ls181s
2		 Logic IC
dn74ls181sd
2		 Logic IC
dn74ls190
2		 Synchronous Up/Down Counter
dn74ls191
2		 Synchronous Up/Down Counter
dn74ls191s
2		 Synchronous Up/Down Counter
dn74ls192
2		 Synchronous Up/Down Counter
dn74ls192s
2		 Synchronous Up/Down Counter
dn74ls193
2		 Synchronous Up/Down Counter
dn74ls193s
2		 Synchronous Up/Down Counter
dn74ls196
2		 Asynchronous Up Counter
dn74ls197
2		 Asynchronous Up Counter
dn74ls197s
2		 Asynchronous Up Counter
dn74ls20
2		 Dual 4-input NAND Gate
dn74ls20s
2		 Dual 4-input NAND Gate
dn74ls21
2		 Dual 4-input AND Gate
dn74ls21s
2		 Dual 4-input AND Gate
dn74ls251s
2		 8-Input Digital Multiplexer
dn74ls253
2		 4-Input Digital Multiplexer
dn74ls253s
2		 4-Input Digital Multiplexer
dn74ls257a
2		 2-Input Digital Multiplexer
dn74ls257as
2		 2-Input Digital Multiplexer
dn74ls258a
2		 2-Input Digital Multiplexer
dn74ls258as
2		 2-Input Digital Multiplexer
dn74ls26
2		 Quad 2-input NAND Gate
dn74ls260
2		 Dual 5-input NOR Gate
dn74ls260s
2		 Dual 5-input NOR Gate
dn74ls261
2		 Logic IC
dn74ls261d
2		 Logic IC
dn74ls261s
2		 Logic IC
dn74ls261sd
2		 Logic IC
dn74ls266
2		 Quad 2-input Exclusive NOR (XNOR) Gate
dn74ls266s
2		 Quad 2-input Exclusive NOR (XNOR) Gate
dn74ls26s
2		 Quad 2-input NAND Gate
dn74ls27
2		 Triple 3-input NOR Gate
dn74ls293s
2		 Asynchronous Up Counter
dn74ls298
2		 Logic IC