https://docs.amd.com/r/2022.1-English/ug953-vivado-7series-libraries/RAM64X1S?contentId=0Sxb3oE8GVqzygSYkfaZ5g
RAM64X1S - RAM64X1S - 2022.1 English - Primitive: 64-Deep by 1-Wide Static Synchronous RAM - UG953
Primitive: 64-Deep by 1-Wide Static Synchronous RAM
https://docs.amd.com/r/2020.2-English/ug953-vivado-7series-libraries/RAM64X1S_1?contentId=Ekfep2daLAHEDzvTOvMO4Q
RAM64X1S_1 - RAM64X1S_1 - 2020.2 English - Primitive: 64-Deep by 1-Wide Static Synchronous RAM with...
Primitive: 64-Deep by 1-Wide Static Synchronous RAM with Negative-Edge Clock