公开(公告)号：US20180011757A1

公开(公告)日：2018-01-11

申请号：US15678315

申请日：2017-08-16

Applicant: Texas Instruments Incorporated

Inventor： Sai ZHANG ,  Yumin ZHU ,  Clive BITTLESTONE ,  Srinath RAMASWAMY

IPC: G06F11/08 ,  G06F3/06 ,  G06F12/02 ,  G06F11/10 ,  H03M13/13 ,  G11C29/52

CPC classification number: G06F11/08 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/0673 ,  G06F11/1004 ,  G06F11/1016 ,  G06F11/1048 ,  G06F11/1072 ,  G06F11/1076 ,  G06F12/0246 ,  G11C29/52 ,  H03M13/13

Abstract: Disclosed embodiments include an electronic device having a write-once memory (WOM) and a memory controller. The memory controller includes a host interface receiving a data word including first and second symbols, each having at least two bits, a WOM controller that encodes the first and second symbols and outputs a WOM-encoded word including first and second WOM codes corresponding to the first and second symbols, respectively, an error correction code (ECC) controller that encodes the WOM-encoded word and outputs an ECC-encoded word including the first and second WOM codes and a first set of ECC bits corresponding to a first write operation, and a memory device interface that writes the ECC-encoded word the WOM device in the first write operation. Each of the first and second WOM codes include at least three bits with at least two of the at least three bits having the same logic value.

公开(公告)号：US20170155398A1

公开(公告)日：2017-06-01

申请号：US14954577

申请日：2015-11-30

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Sriram NARAYANAN ,  Srinath RAMASWAMY ,  Arup POLLEY ,  Ajit SHARMA

IPC: H03M1/06 ,  H03M1/00

CPC classification number: H03M1/0609 ,  H03M1/001 ,  H03M1/002 ,  H03M1/1295 ,  H03M1/162

Abstract: An analog to digital converter (ADC) system that includes a first amplifier configured to amplify an analog input signal to produce an amplified direct current (DC) signal, an ADC configured to receive the amplified DC signal and convert the amplified DC signal into a digital DC signal, a digital to analog converter configured to receive the digital DC signal and convert the digital DC signal into an analog DC signal, and a second amplifier configured to receive an analog alternating current (AC) signal comprising the analog DC signal subtracted from the analog input signal and amplify the analog AC signal to produce an amplified AC signal. The ADC is further configured to receive the amplified AC signal and produce a digital AC signal. The second amplifier has a gain greater than a gain of the first amplifier.

公开(公告)号：US20220413106A1

公开(公告)日：2022-12-29

申请号：US17897164

申请日：2022-08-28

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Baher HAROUN ,  Rahmi HEZAR ,  Srinath RAMASWAMY ,  Nirmal C. WARKE ,  David MAGEE ,  Ting LI

IPC: G01S7/481 ,  G01S17/10 ,  G01S7/4865 ,  G01S7/484

Abstract: A pulsed light source illuminates a scene with a virtual array of points. Light reflected by the scene is detected by a small pixel array, allowing generation of a three-dimensional map of the scene. A processing element processing data output by the small pixel array uses a multipath resolution algorithm to resolve individual objects in the scene.

公开(公告)号：US20220037540A1

公开(公告)日：2022-02-03

申请号：US17347822

申请日：2021-06-15

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Gerd SCHUPPENER ,  Miaad ALIROTEH ,  Srinath RAMASWAMY ,  Baher HAROUN

IPC: H01L31/02 ,  H01L31/107 ,  H03F3/08 ,  H04B10/69

Abstract: An avalanche photo-diode (APD) circuit includes a first APD and a bias circuit. The first APD is configured to detect light. The bias circuit is configured to control a gain of the first APD. The bias circuit includes a second APD, a reference voltage source, a bias voltage generation circuit, and a metal layer configured to shield the second APD from the light. The reference voltage source is configured to bias the second APD. The bias voltage generation circuit is configured to generate a bias voltage for biasing the first APD based on dark current output by the second APD.

公开(公告)号：US20200209359A1

公开(公告)日：2020-07-02

申请号：US16287411

申请日：2019-02-27

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Baher HAROUN ,  Rahmi HEZAR ,  Srinath RAMASWAMY ,  Nirmal C. WARKE ,  David MAGEE ,  Ting LI

IPC: G01S7/481 ,  G01S7/484 ,  G01S7/486 ,  G01S17/10

Abstract: A pulsed light source illuminates a scene with a virtual array of points. Light reflected by the scene is detected by a small pixel array, allowing generation of a three-dimensional map of the scene. A processing element processing data output by the small pixel array uses a multipath resolution algorithm to resolve individual objects in the scene.