Semiconductor memory device with power gating circuit for data input/output control block and data input/output block and semiconductor system including the same

A semiconductor system, comprising:

• a control device suitable for generating a system control signal;
• and
• a semiconductor device including first to third power gating circuits, and suitable for minimizing a leakage current by disabling the first power gating circuit based on the system control signal, and
• wherein the semiconductor device, includes:
• a data input/output control block having a first type of power gating structure, the data input/output control block suitable for generating a input/output control signal using the first and second voltages;
• a data input/output block having a second type of power gating structure different from the first type of power gating structure, the data input/output block suitable for inputting and outputting a data signal using the first and second voltages based on the input/output control signal;
• and
• a memory block, coupled to the data input/output block, suitable for writing or reading the data signal,
• wherein the data input/output control block includes a read path control block,
• wherein the read path control block includes the first and second power gating circuits and generates a read control signal using first and second voltages in a read mode;
• and
• wherein the data input/output block includes a pipe latch block,
• wherein the pipe latch block includes the third power gating circuit and latches a data signal, which is transmitted through the data input/output line, using the first and second voltages based on the read control signal.

A semiconductor device, comprising:

• a memory block coupled to a data input/output line;
• a read path control block having a first type of power gating structure, the read path control block suitable for generating a read control signal using first and second voltages in a read mode;
• and
• a pipe latch block having a second type of power gating structure different from the first type of power gating structure, the pipe latch block suitable for latching a data signal, which is transmitted through the data input/output line, using the first and second voltages based on the read control signal.