54LS20 Description
This device contains two independent gates each of which performs the logic NAND function.
54LS20 is Dual 4-Input NAND Gates manufactured by National Semiconductor.
| Part Number | Description |
|---|---|
| 54LS21 | Dual 4-Input AND Gates |
| 54LS22 | Dual 4-Input NAND Gates |
| 54LS240 | Octal TRI-STATE Buffer / Line Drivers / Line Receivers |
| 54LS244 | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| 54LS256 | Dual 4-Bit Addressable Latch |
This device contains two independent gates each of which performs the logic NAND function.