Patents by Inventor Che Yuan Jao
Che Yuan Jao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230138324Abstract: The present invention provides a package including a first pad, a die and at least one package ESD component is disclosed. The first pad is configured to receive a signal from a device external to the package. The die comprises a second pad and an internal circuit, wherein the internal circuit is configured to receive the signal from the first pad via the second pad. The at least one ESD component is positioned outside the die.Type: ApplicationFiled: September 5, 2022Publication date: May 4, 2023Applicant: MEDIATEK INC.Inventors: Yu-Cheng Liao, Bo-Shih Huang, Che-Yuan Jao, Yi-Chieh Lin
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Patent number: 11258252Abstract: The present invention provides an on-chip surge protection circuit, including a low voltage rail, a negative transmitter differential output, a positive transmitter differential output, and a surge protection component. The surge protection component includes a first end, a second end, and a control end. The first end is connected to the transmitter differential output N. The second end is connected to the transmitter differential output P. The control end is connected to the low voltage rail.Type: GrantFiled: January 31, 2020Date of Patent: February 22, 2022Assignee: ECONET (HK) LIMITEDInventors: Cheng-Hsu Wu, Cheng-Chieh Hsu, Che-Yuan Jao, Hung-Wei Chen, Tsung-Hsien Hsieh
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Publication number: 20210159693Abstract: The present invention provides an on-chip surge protection circuit, including a low voltage rail, a negative transmitter differential output, a positive transmitter differential output, and a surge protection component. The surge protection component includes a first end, a second end, and a control end. The first end is connected to the transmitter differential output N. The second end is connected to the transmitter differential output P. The control end is connected to the low voltage rail.Type: ApplicationFiled: January 31, 2020Publication date: May 27, 2021Inventors: Cheng-Hsu WU, Cheng-Chieh HSU, Che-Yuan JAO, Hung-Wei CHEN, Tsung-Hsien HSIEH
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Publication number: 20170315577Abstract: A control circuit comprising a driving circuit, which comprises a voltage adjusting circuit for generating a control voltage, and comprises a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. The control circuit further comprises: a candidate voltage selecting circuit, for outputting one of a plurality of candidate voltages; and a voltage selecting circuit, for outputting one of the candidate voltage output from the candidate voltage selecting circuit and a ground voltage as the bias voltage.Type: ApplicationFiled: July 19, 2017Publication date: November 2, 2017Inventors: Che-Yuan Jao, Chen-Feng Chiang
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Patent number: 9798345Abstract: A control circuit comprising a driving circuit, which comprises a voltage adjusting circuit for generating a control voltage, and comprises a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. The control circuit further comprises: a candidate voltage selecting circuit, for outputting one of a plurality of candidate voltages; and a voltage selecting circuit, for outputting one of the candidate voltage output from the candidate voltage selecting circuit and a ground voltage as the bias voltage.Type: GrantFiled: July 19, 2017Date of Patent: October 24, 2017Assignee: MEDIATEK INC.Inventors: Che-Yuan Jao, Chen-Feng Chiang
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Patent number: 9746866Abstract: One embodiment of the present application discloses a control circuit comprising a driving circuit which comprises a voltage adjusting circuit, a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. A control system comprising the control circuit is also disclosed.Type: GrantFiled: January 19, 2015Date of Patent: August 29, 2017Assignee: MEDIATEK INC.Inventors: Che-Yuan Jao, Chen-Feng Chiang
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Publication number: 20170093152Abstract: An ESD protected IC includes: at least one functional circuitry, coupled to a first voltage supply and a second voltage supply, the functional circuitry including at least one functional package ball; and at least one ESD detection circuit, coupled to the second voltage supply, the ESD detection circuit free of being coupled to the first voltage supply, and further free of being coupled to the functional package ball of the functional circuitry.Type: ApplicationFiled: September 21, 2016Publication date: March 30, 2017Inventors: Che-Yuan Jao, Bo-Shih Huang
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Patent number: 9344086Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.Type: GrantFiled: February 5, 2014Date of Patent: May 17, 2016Assignee: MEDIATEK INCInventor: Che-Yuan Jao
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Publication number: 20150338870Abstract: One embodiment of the present application discloses a control circuit comprising a driving circuit which comprises a voltage adjusting circuit, a first transistor and a second transistor. The first transistor comprises: a first terminal; a second terminal; and a control terminal, for receiving a bias voltage generated from at least operating voltage of the control circuit. The second transistor comprises: a first terminal, coupled to a second terminal of the first transistor; a second terminal, for receiving a first predetermined voltage; and a control terminal, for receiving the control voltage. A control system comprising the control circuit is also disclosed.Type: ApplicationFiled: January 19, 2015Publication date: November 26, 2015Inventors: Che-Yuan Jao, Chen-Feng Chiang
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Publication number: 20140152368Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.Type: ApplicationFiled: February 5, 2014Publication date: June 5, 2014Applicant: MediaTek Inc.Inventor: Che-Yuan JAO
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Patent number: 8692605Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.Type: GrantFiled: June 27, 2011Date of Patent: April 8, 2014Assignee: Mediatek Inc.Inventor: Che-Yuan Jao
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Patent number: 8525310Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.Type: GrantFiled: April 12, 2011Date of Patent: September 3, 2013Assignee: Mediatek Inc.Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
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Publication number: 20120326753Abstract: A receiving circuit for a core circuit is provided and includes a first receiving-path unit. The first receiving-path unit is capable of receiving an input signal and outputting an output signal to the core circuit according to the input signal. The first receiving-path unit includes an input buffer which is capable of operating in a core power domain of the core circuit and receiving a first clamped signal. When a level of the input signal is substantially equal to or lower than a first predetermined voltage level, the input signal is passed to the input buffer to serve as the first clamped signal, and the input buffer is capable of outputting the output signal in the core power domain according to the first clamped signal. When the level of the input signal is higher than the first predetermined voltage level, the input signal is not passed to the input buffer.Type: ApplicationFiled: June 27, 2011Publication date: December 27, 2012Applicant: MEDIATEK INC.Inventor: Che-Yuan Jao
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Patent number: 8258615Abstract: The present invention provides a semiconductor device capable of eliminating voltage (IR) drop of a semiconductor die inside the semiconductor device and a fabricating method of the semiconductor device. The semiconductor device comprises the semiconductor die, and the semiconductor die comprises a first surface area, a plurality of first pads potentially equivalent to each other, a passivation layer, a plurality of first openings, and a first conducting medium layer. The passivation layer is disposed on the plurality of first pads. The plurality of first openings is formed on the passivation layer, and utilized for exposing the plurality of first pads. The first conducting medium layer is formed on the first surface area, and utilized for fulfilling the plurality of first openings to connect the plurality of first pads.Type: GrantFiled: February 20, 2009Date of Patent: September 4, 2012Assignee: Mediatek Inc.Inventors: Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li
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Patent number: 8050129Abstract: An electrically programmable fuse (e-fuse) apparatus includes an e-fuse macro and a switch device. The e-fuse macro is disposed in an integrated circuit, and has a plurality of e-fuse units. The switch device is disposed in the integrated circuit, and has an output node coupled to the e-fuse units and a first input node coupled to a first power source which supplies a first reference voltage acting as a programming voltage of the e-fuse macro. The switch device connects the first power source to the e-fuse units when the e-fuse macro is operated under a programming mode.Type: GrantFiled: June 25, 2009Date of Patent: November 1, 2011Assignee: Mediatek Inc.Inventors: Chia-Hsien Liu, Rei-Fu Huang, Chien-Chung Chen, Che-Yuan Jao
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Publication number: 20110248394Abstract: A semiconductor package includes a die pad; a semiconductor die mounted on the die pad; a plurality of leads disposed along peripheral edges of the die pad; a ground bar between the leads and the die pad; and a plurality of bridges connecting the ground bar with the die pad, wherein a gap between two adjacent bridges has a length that is equal to or less than 3 mm.Type: ApplicationFiled: April 12, 2011Publication date: October 13, 2011Inventors: Nan-Jang Chen, Chun-Wei Chang, Sheng-Ming Chang, Che-Yuan Jao, Ching-Chih Li, Nan-Cheng Chen
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Publication number: 20110241206Abstract: A semiconductor device is provided by the present invention. The semiconductor device includes a first semiconductor die comprising at least a first bond pad; and a second semiconductor die comprising at least a second bond pad with voltage level equivalent to the first bond pad of the first semiconductor die; wherein the first bond pad of the first semiconductor die is electrically connected to the second bond pad of the second semiconductor die via at least a bond wire. The semiconductor device of the present invention is capable of solving the IR drop of the semiconductor die with low cost.Type: ApplicationFiled: June 21, 2011Publication date: October 6, 2011Inventors: Che-Yuan Jao, Sheng-Ming Chang
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Patent number: 7880297Abstract: A semiconductor chip includes a die mounted on a packaging substrate. The die includes a semiconductor substrate; inter-metal dielectric layers on the semiconductor substrate; levels of metal interconnection, wherein at least two potential equivalent metal traces are formed in a level of the metal interconnection; a passivation layer disposed over the two metal traces, wherein two openings are formed in the passivation layer to expose portions of the two metal traces; a conductive member externally mounted on the passivation layer between the two openings; and a redistribution layer formed over the conductive member.Type: GrantFiled: May 8, 2008Date of Patent: February 1, 2011Assignee: Mediatek Inc.Inventors: Che-Yuan Jao, Sheng-Ming Chang, Ching-Chih Li
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Publication number: 20100328987Abstract: An electrically programmable fuse (e-fuse) apparatus includes an e-fuse macro and a switch device. The e-fuse macro is disposed in an integrated circuit, and has a plurality of e-fuse units. The switch device is disposed in the integrated circuit, and has an output node coupled to the e-fuse units and a first input node coupled to a first power source which supplies a first reference voltage acting as a programming voltage of the e-fuse macro. The switch device connects the first power source to the e-fuse units when the e-fuse macro is operated under a programming mode.Type: ApplicationFiled: June 25, 2009Publication date: December 30, 2010Inventors: Chia-Hsien Liu, Rei-Fu Huang, Chien-Chung Chen, Che-Yuan Jao
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Patent number: 7830005Abstract: An integrated circuit includes: a substrate; and a bond pad array on the substrate. The bond pad array includes: a row of inner bond pads, each inner bond pad positioned with respect to a plurality of inner pad openings; a plurality of first inner metal layers respectively coupled to the inner bond pads for transmitting signals between the inner pads and an internal circuit, where at least one first inner metal layer has a width less than a width of a corresponding inner bond pad; a row of outer bond pads, staggered with respect to the row of inner bond pads; and a plurality of first outer metal layers respectively coupled to the outer bond pads for transmitting signals between the outer pads and the internal circuit, where at least one inner bond pad overlaps adjacent first outer metal layers.Type: GrantFiled: November 12, 2008Date of Patent: November 9, 2010Assignee: Mediatek Inc.Inventors: Chuan-Cheng Hsiao, Hung-Sung Li, I-Cheng Lin, Che-Yuan Jao