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| Part Number | 74LS21 |
| Description | DUAL 4-INPUT AND GATE |
| Info | DUAL 4-INPUT AND GATE SN54/74LS21 VCC 14 13 12 1. |
| Manufacture | Motorola |
| for PC | Download 74LS21 Datasheet |
| Part Number | 74LS21 |
| Description | Dual 4-input Positive AND Gates |
| Info | Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39. |
| Manufacture | Hitachi Semiconductor |
| for PC | Download 74LS21 Datasheet |