DM74AS21 Description
This device contains two independent 4-input gates, each of which performs the logic AND function.
DM74AS21 is Dual 4-Input AND Gate manufactured by Fairchild.
| Part Number | Description |
|---|---|
| DM74AS240 | 3-STATE Bus Driver/Receiver |
| DM74AS244 | 3-STATE Bus Driver/Receiver |
| DM74AS245 | Octal Bus Transceiver with 3-STATE Outputs |
| DM74AS257 | 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers |
| DM74AS258 | 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers |
This device contains two independent 4-input gates, each of which performs the logic AND function.