| CD4082B | Texas Instruments | CMOS Dual 4-Input AND Gate |
| CD54HC21 | Texas Instruments | High Speed CMOS Logic Dual 4-Input AND Gates |
| CD74HC21 | Texas Instruments | High Speed CMOS Logic Dual 4-Input AND Gates |
| CD74HCT21 | Texas Instruments | High Speed CMOS Logic Dual 4-Input AND Gate |
| HEF4082B | Philips Semiconductors | Dual 4-input AND gate |
| MC100E104 | ON Semiconductor | Quint 2-Input AND/NAND Gate |