74HCT20 Dual 4-input NAND gate
74HCT20D Dual 4-input NAND gate
74HCT20D-T Dual 4-input NAND Gate
74HCT20DB Dual 4-input NAND gate
74HCT20N Dual 4-input NAND gate
74HCT20U Dual 4-input NAND gate
74HCT21 Dual 4-input gate
74HCT21D Dual 4-input AND Gate
74HCT21D-T Dual 4-input AND Gate
74HCT21DB Dual 4-input AND gate
74HCT21N IC HIGH SPEED CMOS LOGIK N/DIP14
74HCT21NB Dual 4-input AND gate
74HCT21U Dual 4-input AND gate
74HCT221 Dual non-retriggerable monostable multivibrator with reset
74HCT221D Dual non-retriggerable monostable multivibrator with reset