| Part Number | EN21 |
| Manufacturer | AMI |
| Title | CMOS Gate Array |
| Description | EN2x is a family of 2-input gates which perform the logical exclusive NOR (XNOR) function. Logic Symbol Truth Table EN2x A Q B ABQ L LH LHL HL... |
| Features |
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| Datasheet |
 EN21 Datasheet
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