| Part Number | 74LS21 |
| Manufacturer | Hitachi Semiconductor |
| Title | Dual 4-input Positive AND Gates |
| Description | Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39 Max 1.30 7 7.62 0.51 Min 2.54 Min 5.06 Max 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° ... |
| Features |
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| Datasheet |
 74LS21 Datasheet
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