Presentation 1995/5/25
Low Power Circuit Technologies for GaAs DCFL SRAMs
Haruya Iwata, Atsunori Hirobe, Tadayoshi Enomoto,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) A 4kbit(256word×16bit)SRAM has been designed using 0.5μm GaAs MESFET technology. With a 1V power supply, SPICE calculation results showed that its access time and power dissipation were 1nsec and 1,037mW, respectively. Two effective methods to reduce power dissipation were proposed and applied to the above mentioned 4kb SRAM. They are (1) reduction of MESFET threshold voltages along with power supply voltages, and (2) the use of lower voltage in memory cells than the power supply voltage. These two technologies have been simultaneously applied to the 4kb SRAM. With a 0.5V power supply, the caluculated access time and power dissipation were 1.85nsec and 74mW, respectively. This power dissipation is one forteenth that of the 1V 4kbit SRAM.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) GaAs MESFET / SRAM / through drain current / low voltage / low power dissipation
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Conference Date 1995/5/25(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Low Power Circuit Technologies for GaAs DCFL SRAMs
Sub Title (in English)
Keyword(1) GaAs MESFET
Keyword(2) SRAM
Keyword(3) through drain current
Keyword(4) low voltage
Keyword(5) low power dissipation
1st Author's Name Haruya Iwata
1st Author's Affiliation Institute of Science and Engineering, Chuo University()
2nd Author's Name Atsunori Hirobe
2nd Author's Affiliation Institute of Science and Engineering, Chuo University
3rd Author's Name Tadayoshi Enomoto
3rd Author's Affiliation Institute of Science and Engineering, Chuo University
Date 1995/5/25
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Volume (vol) vol.95
Number (no) 71
Page pp.pp.-
#Pages 8
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