Dual-port ternary content addressable memory, layout pattern thereof and memory device

The invention provides a dual-port ternary content addressable memory, a layout pattern thereof and a memory device. The dual-port ternary content addressable memory comprises a first storage unit, asecond storage unit, a group of first search terminals, a group of second search terminals, a first comparison circuit, a second comparison circuit, a first matching terminal and a second matching terminal, wherein the first comparison circuit is respectively coupled to the first storage unit, the second storage unit, the group of first search terminals and the first matching terminal, and the second comparison circuit is respectively coupled to the first storage unit, the second storage unit, the group of second search terminals and the second matching terminal. In addition, the first searchdata and the second search data can be input into the dual-port ternary content addressable memory at the same time so as to judge whether the first search data and the second search data are matchedwith content data in the du