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Patent

Pulsed state retention power gating flip-flop

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TLDR
In this paper, a flip-flop includes a functional latch and a retention latch, and the retention latch is selectively coupled to the functional latch to maintain the logic state in the power-down mode irrespective of a level of an associated clock signal when the powerdown mode is entered.
Abstract
A flip-flop includes a functional latch and a retention latch. The functional latch is configured to maintain a logic state of the flip-flop in a power-up mode and the retention latch is configured to maintain the logic state of the flip-flop in a power-down mode. The retention latch is selectively coupled to the functional latch and the retention latch is configured to maintain the logic state in the power-down mode irrespective of a level of an associated clock signal when the power-down mode is entered. A clock pulse that clocks the flip-flop is derived from the associated clock signal.

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Citations
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Patent

Semiconductor integrated circuit

TL;DR: In this paper, the output signals of the first and second data hold circuits are the same as each other, and the output signal of the second and third data hold circuit is the same for each other.
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Electronic circuit and method for state retention power gating

TL;DR: In this paper, a state retention power gating (SRPG) circuit should operate in a functional mode and to a first power source a control signal indicating that the SRPG circuit should be switched off.
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TL;DR: In this paper, an integrated circuit is disclosed for data retention with data migration, which includes a logic block, a memory block, and retention control circuitry coupled to the logic and memory blocks.
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Semiconductor device and method of driving semiconductor device

Takuro Ohmaru
TL;DR: In this article, a novel semiconductor device and a method of driving the semiconductor devices is described. But the method is based on arithmetic processing, where data that is rewritten as appropriate by arithmetic processing is held and a node in which the data is stored are electrically connected to each other via a source and a drain of a transistor in which a channel is formed.
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Semiconductor device and a method of operating the same

TL;DR: In this paper, a power gating circuit is activated to signal entry to a power reduction mode and the power management circuit is configured to complete a reset operation of the Gating circuit before signaling the retention circuit to cancel a retention state and restore the states of the semiconductor device.
References
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Patent

Low standby power using shadow storage

TL;DR: An integrated circuit having CMOS transistors processed with different gate-oxide thicknesses may be used to generate data values that may be stored by the transistors having the thicker gate-oxides.
Patent

Retention register with normal functionality independent of retention power supply

TL;DR: In this paper, a state retention register for low-power standby modes of digital IC operation is provided, where a differential circuit (M 1 -M 3 ) is used to load the shadow latch from the normal functional latch.
Patent

High speed pulse based flip-flop with a scan function and a data retention function

TL;DR: In this article, a multi-threshold CMOS (MTCMOS) flip-flop is proposed for latching a data input signal in response to a clock signal and converting the latched signal to a data output signal.
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Digital storage element architecture comprising integrated multiplexer and reset functionality

TL;DR: In this article, a digital storage element comprises a master transparent latch coupled to a slave transparent latch and comprising dedicated functional and scan data output ports, where the first and second clock signals are non-overlapping.
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Control signal generator, latch circuit, flip flop and method for controlling operations of the flip-flop

TL;DR: In this paper, a control signal generator, latch circuit, flip-flop and method for controlling operations in the flipflop are configured so as to efficiently perform latching and scanning operations.