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1 KK74AC21 Dual 4-Input AND Gate High-Speed Silicon-Gate CMOS 227K KODENSHI 2078600
2 KK74AC21D Dual 4-Input AND Gate High-Speed Silicon-Gate CMOS 227K KODENSHI 2078599
3 KK74AC21N Dual 4-Input AND Gate High-Speed Silicon-Gate CMOS 227K KODENSHI 2078598