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Publication

Reference current generator, and method of programming, adjusting and/or operating same

Maher Kayal, Michel Declercq, Marc Pastre, Marija Blagojevic
2005
Patents

Abstract

There are many inventions described and illustrated herein. In a first aspect, the present invention is a technique and circuitry for reading data that is stored in memory cells. In one embodiment of this aspect, the present invention is a technique and circuitry for generating a reference current that is used, in conjunction with a sense amplifier, to read data that is stored in memory cells of a DRAM device. The technique and circuitry for generating a reference current may be implemented using an analog configuration, a digital configuration, and/or combinations of analog and digital configurations.

Official source

https://infoscience.epfl.ch/entities/publication/f8a157db-7321-4181-aede-5bd7c36afe60

About this result

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Maher Kayal, Michel Declercq, Marc Pastre, Marija Blagojevic
2005
Patents

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f8a157db-7321-4181-aede-5bd7c36afe60

About this result

Related concepts (32)

Memory cell (computing)

The memory cell is the fundamental building block of computer memory. The memory cell is an electronic circuit that stores one bit of binary information and it must be set to store a logic 1 (high voltage level) and reset to store a logic 0 (low voltage level). Its value is maintained/stored until it is changed by the set/reset process. The value in the memory cell can be accessed by reading it. Over the history of computing, different memory cell architectures have been used, including core memory and bubble memory.

Random-access memory

Random-access memory (RAM; ræm) is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory, in contrast with other direct-access data storage media (such as hard disks, CD-RWs, DVD-RWs and the older magnetic tapes and drum memory), where the time required to read and write data items varies significantly depending on their physical locations on the recording medium, due to mechanical limitations such as media rotation speeds and arm movement.

Dynamic random-access memory

Dynamic random-access memory (dynamic RAM or DRAM) is a type of random-access semiconductor memory that stores each bit of data in a memory cell, usually consisting of a tiny capacitor and a transistor, both typically based on metal–oxide–semiconductor (MOS) technology. While most DRAM memory cell designs use a capacitor and transistor, some only use two transistors. In the designs where a capacitor is used, the capacitor can either be charged or discharged; these two states are taken to represent the two values of a bit, conventionally called 0 and 1.

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