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Current Sense Amplifiers for Embedded SRAM in High-Performance System-on-a-Chip Designs: Springer Series in Advanced Microelectronics, cartea 12

Autor Bernhard Wicht
en Limba Engleză Hardback – 14 apr 2003
System-on-a-chip (SoC) designs result in a wide range of high-complexity, high-value semiconductor products. As the technology scales towards smaller feature sizes and chips grow larger, a speed limitation arises due to an in­ creased RC delay associated with interconnection wires. Innovative circuit techniques are required to achieve the speed needed for high-performance signal processing. Current sensing is considered as a promising circuit class since it is inherently faster than conventional voltage sense amplifiers. How­ ever, especially in SRAM, current sensing has rarely been used so far. Practi­ cal implementations are challenging because they require sophisticated analog circuit techniques in a digital environment. The objective of this book is to provide a systematic and comprehen­ sive insight into current sensing techniques. Both theoretical and practical aspects are covered. Design guidelines are derived by systematic analysis of different circuit principles. Innovative concepts like compensation of the bit­ line multiplexer and auto-power-down will be explained based on theory and experimental results. The material will be interesting for design engineers in industry as well as researchers who want to learn about and apply current sensing techniques. The focus is on embedded SRAM but the material presented can be adapted to single-chip SRAM and to any other current-providing memory type as well. This includes emerging memory technologies like magnetic RAM (MRAM) and Ovonic Unified Memory (OUM). Moreover, it is also applicable to array­ like structures such as CMOS camera chips and to circuits for signal trans­ mission along highly capacitive busses.
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Specificații

ISBN-13: 9783540002987
ISBN-10: 3540002987
Pagini: 184
Ilustrații: XV, 164 p. 24 illus.
Dimensiuni: 155 x 235 x 17 mm
Greutate: 0.44 kg
Ediția:2003
Editura: Springer Berlin, Heidelberg
Colecția Springer
Seria Springer Series in Advanced Microelectronics

Locul publicării:Berlin, Heidelberg, Germany

Public țintă

Research

Cuprins

1. Introduction.- 2. Fundamentals of SRAM and Sensing.- 3. Voltage Sense Amplifiers.- 4. Circuit Principles for Current Sensing.- 5. Analysis and Compensation of the Bitline Multiplexer.- 6. Interaction with the Memory Cell.- 7. Implementation Aspects.- 8. Outlook.- A. Two-Pole Transfer Function.- B. Step Response.- C. Common-Mode Stability.- D. Delay Versus Supply Voltage.- E. Experimental Results: Current Sensing.- F. Experimental Results: Voltage Sensing.

Textul de pe ultima copertă

This book provides a systematic and comprehensive insight into current sensing techniques. In addition to describing theoretical and practical aspects of current sensing, the author derives practical design guidelines for achieving an optimal performance through a systematic analysis of different circuit principles. Voltage sense amplifiers are also considered, since they are used as a final comparator in a current sense amplifier. Innovative concepts, such as compensation of the bitline multiplexer and auto-power-down, are elucidated. Although the focus is on embedded static random access memory (SRAM), the material presented applies to any current-providing memory type, e.g. also to emerging memory technologies such as MRAM. The book will appeal to design engineers in industry and also to researchers wishing to learn about, and apply, current sensing techniques.

Caracteristici

Comprehensive theoretical and practical information on current sensing for SRAM is provided in this book for the first time Includes supplementary material: sn.pub/extras