These devices contain two independent 4-input AND gates.
The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C.
Products containing the "SN74LS21" keyword are: SN74LS219AN , SN74LS219N , SN74LS21D , SN74LS21D , SN74LS21DR , SN74LS21DR , SN74LS21DR2 , SN74LS21DRG4 , SN74LS21N , SN74LS21N , SN74LS21N3 , SN74LS21ND , SN74LS21NE4 , SN74LS21NE4 , SN74LS21NG4 , SN74LS21NQST , SN74LS21NS , SN74LS21NS , SN74LS21NSR , SN74LS21NSR
| Status | ACTIVE |
| SubFamily | AND gate |
| Technology Family | LS |
| VCC | 5.25 |
| Channels | 2 |
| Inputs per channel | 4 |
| ICC @ nom voltage | 0.0025 |
| IOL | 8 |
| IOH | -0.4 |
| Input type | Bipolar |
| Output type | Push-Pull |
| Features | High Speed (tpd 10-50ns) |
| Data rate | 35 |
| Rating | Catalog |
| Operating temperature range | 0 to 70 |
| Package Group | PDIP|14 |
| Package size: mm2:W x L (PKG) | See datasheet (PDIP) |
| Approx. price | 0.20 | 1ku |