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Reducing glitch power in digital circuits

專利號(hào)
US11177805B1
公開日期
2021-11-16
申請(qǐng)人
QUALCOMM Incorporated(US CA San Diego)
發(fā)明人
Harshat Pant; Ravindraraj Ramaraju; Luis Filipe Brochado Reis; Tuck Boon Chan; Mayank Sen Sharma
IPC分類
H03K5/00; H03K19/003
技術(shù)領(lǐng)域
glitch,glitches,logic,signal,delay,in,input,absorbing,disclosure,may
地域: CA CA San Diego

摘要

A glitch absorbing buffer reduces glitch power in digital circuits. The glitch absorbing buffer includes a logic element configured to identify a digital logic glitch and a delay circuit configured to selectively delay one input to a logic element. The amount of delay imposed is equivalent to a pulse width of the glitch. A Schmitt trigger may amplify the low pass behavior on the input.

說(shuō)明書

The wireless device 110 may be referred to as a mobile equipment, a user equipment (UE), a mobile station, a terminal, an access terminal, a subscriber unit, a station, etc. The wireless device 110 may also be a cellular phone, a smartphone, a tablet, a wireless modem, a personal digital assistant (PDA), a handheld device, a laptop computer, a Smartbook, a netbook, a cordless phone, a wireless local loop (WLL) station, a Bluetooth? device, etc. The wireless device 110 may be capable of communicating with the wireless communications system 120. The wireless device 110 may also be capable of receiving signals from broadcast stations (e.g., a broadcast station 134), signals from satellites (e.g., a satellite 150) in one or more global navigation satellite systems (GNSS), etc. The wireless device 110 may support one or more radio technologies for wireless communications, such as 5G NR, LTE, CDMA2000, WCDMA, TD-SCDMA, GSM, 802.11, etc.

FIG. 2 is a block diagram illustrating an example implementation of a system-on-chip (SoC) in accordance with certain aspects of the present disclosure. The SoC 200 includes processing blocks tailored to specific functions, such as a connectivity block 210. The connectivity block 210 may include fifth generation (5G) connectivity, fourth generation long term evolution (4G LTE) connectivity, Wi-Fi connectivity, USB connectivity, Bluetooth? connectivity, Secure Digital (SD) connectivity, and the like.

權(quán)利要求

1
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