型號(hào) 廠商 描述
dn74ls280d
2		 Logic IC
dn74ls280s
2		 Logic IC
dn74ls280sd
2		 Logic IC
dn74ls283
2		 Binary Adder
dn74ls283s
2		 Binary Adder
dn74ls28s
2		 Quad 2-input NOR Gate
dn74ls290
2		 Asynchronous Up Counter
dn74ls290s
2		 Asynchronous Up Counter
dn74ls293
2		 Asynchronous Up Counter
dn74ls375sd
2		 Logic IC
dn74ls377
2		 Logic IC
dn74ls377d
2		 Logic IC
dn74ls377s
2		 Logic IC
dn74ls377sd
2		 Logic IC
dn74ls378
2		 Logic IC
dn74ls378d
2		 Logic IC
dn74ls378s
2		 Logic IC
dn74ls378sd
2		 Logic IC
dn74ls37s
2		 Quad 2-input NAND Gate
dn74ls38
2		 Quad 2-input NAND Gate
dn74ls386
2		 Quad 2-input Exclusive OR (XOR) Gate
dn74ls386s
2		 Quad 2-input Exclusive OR (XOR) Gate
dn74ls38s
2		 Quad 2-input NAND Gate
dn74ls390
2		 Asynchronous Up Counter
dn74ls390s
2		 Asynchronous Up Counter
dn74ls393
2		 Asynchronous Up/Down Counter
dn74ls393s
2		 Asynchronous Up/Down Counter
dn74ls40
2		 Dual 4-input NAND Gate
dn74ls42s
2		 BCD-To-Decimal Decoder
dn74ls445d
2		 Logic IC
dn74ls445sd
2		 Logic IC
dn74ls490
2		 Asynchronous Up Counter
dn74ls51
2		 2/2-input and 3/3-input AND-NOR Gate
dn74ls51s
2		 2/2-input and 3/3-input AND-NOR Gate
dn74ls54
2		 2/2/3/3-input AND-NOR Gate
dn74ls540
2		 Logic IC
dn74ls540d
2		 Logic IC
dn74ls540s
2		 Logic IC
dn74ls540sd
2		 Logic IC
dn74ls541
2		 Logic IC
dn74ls541d
2		 Logic IC
dn74ls541s
2		 Logic IC
dn74ls541sd
2		 Logic IC
dn74ls74as
2		 Dual D-Type Flip-Flop
dn74ls75
2		 4-Bit D-Type Latch
dn74ls75s
2		 4-Bit D-Type Latch
dn74ls76
2		 J-K-Type Flip-Flop
dn74ls76s
2		 J-K-Type Flip-Flop
dn74ls78
2		 J-K-Type Flip-Flop
dn74ls78s
2		 J-K-Type Flip-Flop