74HC20D,652

邏輯門 DUAL 4-INPUT NAND GATE

74HC20D,653

邏輯門 DUAL 4-INPUT NAND GATE

74HC20DB

邏輯門 DUAL 4-INPUT NAND GATE

74HC20DB,112

邏輯門 DUAL 4-INPUT NAND

74HC20DB,118

邏輯門 DUAL 4-INPUT NAND

74HC20DB-T

邏輯門 DUAL 4-INPUT NAND GATE

74HC20N,652

邏輯門 DUAL 4-IN NAND GATE

74HC20PW

邏輯門 DUAL 4-INPUT NAND GATE

74HC20PW,112

邏輯門 DUAL 4-INPUT NAND

74HC20PW,118

邏輯門 DUAL 4-INPUT NAND

74HC20PW-T

邏輯門 DUAL 4-INPUT NAND GATE

74HC21