Microelectronic devices including a control circuitry structure bonded to a memory array structure

Abstract

A microelectronic device includes a memory array structure and a control circuitry structure overlying and bonded to the memory array structure. The memory array structure includes memory cells, digit lines, and word lines. The control circuitry structure includes a control circuitry region, digit line contact sections, and word line contact sections. The control circuitry region includes sense amplifier sections including sense amplifiers, and sub-word line driver sections including sub-word line drivers. The digit line contact sections are horizontally adjacent to the sense amplifier sections in a first direction and include contact structures coupled to the sense amplifiers and the digit lines. The word line contact sections are horizontally adjacent to the sub-word line driver sections in a second direction orthogonal to the first direction and include additional contact structures coupled to the sub-word line drivers and the word lines. Additional microelectronic devices, memory devices, and electronic systems are also described.