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pro vyhledávání: '"Tokuya Osawa"'
A Continuous-Adaptive DDRx Interface with Flexible Round-Trip-Time and Full Self Loop-Backed AC Test
Autor:
Akira Yamazaki, Kazutami Arimoto, Masaru Haraguchi, Y. Okuno, Toshinori Morihara, Yoshikazu Morooka, Tokuya Osawa, Chikayoshi Morishima
Publikováno v:
IEICE Transactions on Electronics. :453-459
This paper describes new DDRx SDRAM interface architecture suitable for system-on-chip (SOC) implementation. Our test chip fabricated in a 90-nm CMOS process adopts three key schemes and achieves 960 Mb/s/pin operations with 32 bits width. One of new
Publikováno v:
Nishi Nihon Hifuka. 61:294-297
Publikováno v:
IEEE Journal of Solid-State Circuits. 30:316-320
A novel memory cell circuit for multiport RAM on CMOS Sea-of-Gates (SOG) has been proposed. It contributes to the operation both at high speed and at low voltage. In addition, a fourfold read bit line technique is also proposed to reduce the access t
A Continuous-Adaptive DDR2 Interface with Flexible Round-Trip-Time and Full Self Loop-Backed AC Test
Autor:
Masaru Haraguchi, Akira Yamazaki, Tokuya Osawa, Toshinori Morihara, Y. Morooka, Kazutami Arimoto, Y. Okuno, Chikayoshi Morishima
Publikováno v:
ISSCC
An experimental chip for a 32b wide DDR2 SDRAM interface for SoC is fabricated in a 90nm CMOS process and achieves 960Mb/s/pin operation. Impedance-calibration circuits and flexible round-trip circuits in a continuous-adaptive DDR2 interface are used
Publikováno v:
Proceedings of IEEE Custom Integrated Circuits Conference - CICC '94.
A multi-port RAM generator for 0.5 /spl mu/m CMOS Sea-of-Gates (SOG) has been developed. 2-port or 3-port RAMs with flexible bit-word configurations are available. In order to operate either at a low supply voltage or at high speed, a novel memory ce
Conference
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