Low-Area and Low-Power Latch-Based Thermometer-Code Shift-Register

This brief proposes unidirectional and bidirectional latch-based thermometer-code shift-registers. They reduce both the area and the power consumption by replacing the D flip-flops with the proposed unidirectional and bidirectional thermometer-code latches. The proposed unidirectional and bidirectio...

Full description

Saved in:
Bibliographic Details
Published inIEEE transactions on circuits and systems. II, Express briefs Vol. 67; no. 10; pp. 2119 - 2123
Main Authors Woo, Ki-Chan, Kang, Hyeong-Ju, Yang, Byung-Do
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Bidirectional shift-register
Clocks
CMOS
CMOS process
Latches
Layout
low-area
low-power
Power consumption
Power demand
Registers
shift-register
thermometer-code
Transistors
Online AccessGet full text

Cover

More Information
Summary:This brief proposes unidirectional and bidirectional latch-based thermometer-code shift-registers. They reduce both the area and the power consumption by replacing the D flip-flops with the proposed unidirectional and bidirectional thermometer-code latches. The proposed unidirectional and bidirectional 64-bit thermometer-code shift-registers were simulated using a 65nm CMOS process. They occupy 167μm 2 and 226μm 2 . They consume 5.4μW and 6.5μW at a 100MHz clock frequency with V DD = 1.2V. They reduce the areas by 71% and 76% and the power consumptions by 83% and 85% compared to the conventional unidirectional and bidirectional 64-bit shift-registers, respectively.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2019.2943004