Title:
ZQ RESISTOR CALIBRATION CIRCUIT IN MEMORY DEVICE AND CALIBRATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/205027
Kind Code:
A1
Abstract:
The circuit for ZQ resistor calibration includes: a first input configured to receive a first default configuration, a second input configured to receive a first calibration value based on a first comparison, a first output configured to provide a first resistor code for a first resistor category, a second output configured to provide a second resistor code for a second resistor category different from the first resistor category, a first logic circuit configured to receive a signal from the first input and a signal from the second input, and provide a signal to the first output, the signal to the first output can include the first resistor code, the first resistor code can be different from the second resistor code.
Inventors:
ZHANG HUANGPENG (CN)
YANG SHIYANG (CN)
YANG SHIYANG (CN)
Application Number:
PCT/CN2021/084259
Publication Date:
October 06, 2022
Filing Date:
March 31, 2021
Export Citation:
Assignee:
YANGTZE MEMORY TECH CO LTD (CN)
International Classes:
G11C13/00
Foreign References:
| CN112562768A | 2021-03-26 | |||
| US20190348096A1 | 2019-11-14 | |||
| US20190198066A1 | 2019-06-27 | |||
| US20190080784A1 | 2019-03-14 | |||
| US20180114586A1 | 2018-04-26 |
Attorney, Agent or Firm:
NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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