| 摘要 |
A semiconductor memory device includes a memory cell, a sense amplifier connected to the memory cell, a first data latch that is connected to the sense amplifier and stores data of the memory cell, a second data latch that is connected to the sense amplifier and stores data of the memory cell, a third data latch that is connected to an input/output circuit, a fourth data latch that is connected to the input/output circuit, a first data bus of n-bit width that connects the sense amplifier, the first data latch, and the second data latch, and a second data bus of m-bit width that connects the third data latch and the fourth data latch to the first data bus, where m<n. |
