Internal voltage generation circuits

Patent metadata

Field	Value
Publication number	US-9136018-B2
Application number	US-201313846691-A
Country	US
Kind code	B2
Filing date	Mar 18, 2013
Priority date	Nov 28, 2012
Publication date	Sep 15, 2015
Grant date	Sep 15, 2015

Abstract

An internal voltage generation circuit includes a reference voltage generator and an internal voltage generator. The reference voltage generator is configured to adjust resistance values according to test signals and to generate an upper limit reference voltage and a lower limit reference voltage whose levels are determined according to the resistance values. The internal voltage generator is configured to generate an internal voltage which is driven according to the levels of the upper and lower limit reference voltages.

First claim

What is claimed is:

1. An internal voltage generation circuit, the circuit comprising:
a test signal generator configured to generate voltage control test signals for adjusting resistance values used in division of a power supply voltage and to generate dead zone control test signals for setting a dead zone window that an internal voltage is not driven;
a voltage divider configured to divide the power supply voltage using the resistance values which are set by the voltage contro…

Assignees

• Sk Hynix Inc

Inventors

• Lee Jae Wook
• Do Chang Ho

Classifications

• G11C29/021

  Physics · mapped topic

• G11C29/028 Primary

  Physics · mapped topic

• G11C5/147

  Physics · mapped topic

• G11C5/14 Primary

  Physics · mapped topic