74HC20A

74HC20ANSR

74HC20D,652

逻辑门 DUAL 4-INPUT NAND GATE

74HC20D,653

逻辑门 DUAL 4-INPUT NAND GATE

74HC20DB

逻辑门 DUAL 4-INPUT NAND GATE

74HC20DB,112

逻辑门 DUAL 4-INPUT NAND

74HC20DB,118

逻辑门 DUAL 4-INPUT NAND

74HC20DB-T

逻辑门 DUAL 4-INPUT NAND GATE

74HC20N,652

逻辑门 DUAL 4-IN NAND GATE

74HC20PW

逻辑门 DUAL 4-INPUT NAND GATE

74HC20PW,112

逻辑门 DUAL 4-INPUT NAND

74HC20PW,118

逻辑门 DUAL 4-INPUT NAND

74HC20PW-T

逻辑门 DUAL 4-INPUT NAND GATE