These devices contain two independent 4-input positive-AND gates. They perform the Boolean functions
or
in positive logic.
The SN54ALS21A and SN54AS21 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS21A and SN74AS21 are characterized for operation from 0°C to 70°C.
Products containing the "SN74AS21" keyword are: SN74AS21D , SN74AS21D , SN74AS21DR , SN74AS21DRG4 , SN74AS21N , SN74AS21N , SN74AS21N-J , SN74AS21NS , SN74AS21NS , SN74AS21NS-EL10 , SN74AS21NS-EL2 , SN74AS21NSR , SN74AS21NSR , SN74AS21NSRG4 , SN74AS21NST-EL
| Status | ACTIVE |
| SubFamily | AND gate |
| Technology Family | AS |
| VCC | 5.5 |
| Channels | 2 |
| Inputs per channel | 4 |
| ICC @ nom voltage | 0.0014 |
| IOL | 20 |
| IOH | -2 |
| Input type | Bipolar |
| Output type | Push-Pull |
| Features | High Speed (tpd 10-50ns) |
| Data rate | 125 |
| Rating | Catalog |
| Operating temperature range | 0 to 70 |
| Package Group | PDIP|14 |
| Package size: mm2:W x L (PKG) | See datasheet (PDIP) |
| Approx. price | 0.78 | 1ku |