| PartNumber | DM74ALS21AM | DM74ALS21AMX | DM74ALS21AN |
| Description | IC GATE AND 2CH 4-INP 14SOIC | IC GATE AND 2CH 4-INP 14SOIC | IC GATE AND 2CH 4-INP 14DIP |
| Manufacturer | - | Fairchild Semiconductor | - |
| Product Category | - | Logic - Gates and Inverters | - |
| Series | - | 74ALS | - |
| Packaging | - | Tape & Reel (TR) | - |
| Package Case | - | 14-SOIC (0.154", 3.90mm Width) | - |
| Operating Temperature | - | 0°C ~ 70°C | - |
| Mounting Type | - | Surface Mount | - |
| Features | - | - | - |
| Voltage Supply | - | 4.5 V ~ 5.5 V | - |
| Supplier Device Package | - | 14-SOIC | - |
| Number of Circuits | - | 2 | - |
| Number of Inputs | - | 4 | - |
| Current Quiescent Max | - | - | - |
| Current Output High Low | - | 400μA, 8mA | - |
| Max Propagation Delay V Max CL | - | 15ns @ 5V, 50pF | - |
| Logic Type | - | AND Gate | - |
| Logic Level Low | - | 0.8V | - |
| Logic Level High | - | 2V | - |