Taiwan Semiconductor Manufacturing Comp. Ltd.

Po-Chun Wang

Hui-Zhong Zhuang

Chih-Liang Chen

Li-Chun Tien

Jerry Chang-Jui Kao

Guo-Huei Wu

Tzu-Ying Lin

Shao-Lun Chien

An integrated circuit provided here includes a N-bit flip-flop and a first clock cell. The N-bit flip-flop includes first cell of a first bit and a second cell of a second bit. An output signal from the first cell is inputted into the second cell in response to a first clock signal. The first and second cells have different widths and are arranged in a first row of multiple first cell rows and a first row of multiple second cell rows respectively. The first cell rows and the second cell rows have different row heights. The first clock cell outputs the first clock signal and is arranged in the first row of the second cell rows to abut the first cell.

Footprint for multi-bit flip flop

An integrated circuit includes first bit cells, second bit cells, and clock cells. Each of first bit cells is arranged in one of multiple first cell rows having a first row height. Each of the second bit cells is arranged in one of multiple second cells rows having a second row height different from the first row height. The second bit cells extend to pass the first bit cells in a first direction. The clock cells are arranged in peripheral regions of a multi-bit flip flop cell in the first cell rows. The first and second bit cells and the clock cells are included in the multi-bit flip flop cell.

An integrated circuit is provided and includes a multi-bit cell having multiple bit cells disposed in multiple cell rows. The bit cells include M bit cells, M being positive integers. A first bit cell of the bit cells and a M-th bit cell of the bit cells are arranged diagonally in different cell rows in the multi-bit cell. The multi-bit cell includes first to fourth cell boundaries. The first and second boundaries extend in a first direction and the third and fourth boundaries extend in a second direction different from the first direction. The first bit cell and a second bit cell of the bit cells abut the third cell boundary, and the first bit cell and a (M/2+1)-th bit cell of the bit cells abut the first cell boundary.

Multi-bit structure

An integrated circuit is provided and includes first and second gates arranged in first and second layers, wherein the first and second gates extend in a first direction; a first insulating layer interposed between the first and second gates, wherein the first insulating layer, a first portion of the first gate, and a first portion of the second gate overlap with each other in a layout view; a cut layer, different from the first insulating layer, disposed on a second portion of the first gate; a first via passing through the cut layer and coupled to the second portion of the first gate; and a second via overlapping the first portion of the first gate and the first portion of the second gate, and coupled to the second gate. The first and second vias are configured to transmit different control signals to the first and second gates.

Integrated circuit

A method is provided and includes operations below: forming a multilayer stack, wherein the multilayer stack includes multiple first semiconductor layers and multiple second semiconductor layers that are alternately stacked; forming a first source region and a first drain region on opposing sides of a first portion of the multilayer stack and forming a second source region and a second drain region on opposing sides of a second portion of the multilayer stack; removing the second semiconductor layers in the multilayer stack; forming a first gate region, corresponding to a first transistor, over the first portion of the multilayer stack; forming a first insulating layer above the first gate region; and forming a second gate region, corresponding to a second transistor, above the first insulating layer and over the second portion of the multilayer stack.

An integrated circuit disclosed here includes a first plurality of cell rows, a second plurality of cell rows, first and second clock inverters, and a plurality of flip-flops. The second plurality of cell rows are arranged abutting the first plurality of cell rows. A first number of fins in the first plurality of cell rows is different from a second number of fins in the second plurality of cell rows. The first and second clock inverters are arranged in the second plurality of cell rows. The plurality of flip-flops are arranged in the first plurality of cell rows and the second plurality of cell rows. The plurality of flip-flops include a first plurality of flip-flops configured to operate in response to the first clock and second clock signals.

An integrated circuit disclosed here includes several cell rows extending in a first direction and a multi-bit cell having several bit cells included in the cell rows. The bit cells include M bit cells, and an output signal of a N-th bit cell of the M bit cells is an input signal of a (N+1)-th bit cell of the M bit cells, N and M being positive integers. A first bit cell of the bit cells and a M-th bit cell of the bit cells are arranged diagonally in different cell rows in the multi-bit cell, and the N-th bit cell and the (N+1)-th bit cell are arranged diagonally in different cell rows in the multi-bit cell.

An integrated circuit includes a first transistor, a second transistor, and a first insulating layer. The first transistor is disposed in a first layer and comprises a first gate. The second transistor is disposed in a second layer above the first layer and comprises a second gate. The first gate and second gate are separated from each other in a first direction. The first insulating layer is disposed between the first gate of the first transistor and the second gate of the second transistor. The first insulating layer is configured to electrically insulate the first gate of the first transistor from the second gate of the second transistor.

Growing community of inventors

Hsinchu, Taiwan

Po-Chun Wang