Electronicdesign 3934 Xl 61828 Tab
Electronicdesign 3934 Xl 61828 Tab
Electronicdesign 3934 Xl 61828 Tab
Electronicdesign 3934 Xl 61828 Tab
Electronicdesign 3934 Xl 61828 Tab

40nm Read Channel Chip Targets for Notebook, Desktop and Enterprise Hard Disk Drives

Nov. 30, 2010
LSI's RC9700 Read Channel handles data rates over 4.0Gbits/s with a 10% power reduction in active mode.

RC9700 system block diagram

RC9700 read channel chip

LSI's 40nm RC9700 Read Channel chip handles data rates over 4.0Gbits/s with a 10% power reduction in active mode. The chip will find a home in high density, low power hard drives for notebooks, desktop and the enterprise. There is also improved power reduction in sleep mode.

The chip improves signal-to-noise ratio (SNR) in both 512-byte and 4K-byte sector sizes by more than 1.0dB. This is enabled by the full Low Density Parity Check (LDPC) architecture that improves SNR for both sector sizes. It is pin compatible with previous generation chips providing a low risk growth path as areal densities increase. The firmware interface is the same as well. Two versions of the chip are available. One is optimized for low power and targets mobile devices. The other for high speed.

The RC9700 also supports next generation technology for higher storage densities such as Shingled Magnetic Recording and Bit Patterned Media. Shingled Magnetic Recording places the tracks closer together providing higher density. It uses shingled writing with two dimensional read-back. Bit Patterned Media uses special media with magnetic regions that requires higher read/write precision.

Sponsored Recommendations

Highly Integrated 20A Digital Power Module for High Current Applications

March 20, 2024
Renesas latest power module delivers the highest efficiency (up to 94% peak) and fast time-to-market solution in an extremely small footprint. The RRM12120 is ideal for space...

Empowering Innovation: Your Power Partner for Tomorrow's Challenges

March 20, 2024
Discover how innovation, quality, and reliability are embedded into every aspect of Renesas' power products.

Article: Meeting the challenges of power conversion in e-bikes

March 18, 2024
Managing electrical noise in a compact and lightweight vehicle is a perpetual obstacle

Power modules provide high-efficiency conversion between 400V and 800V systems for electric vehicles

March 18, 2024
Porsche, Hyundai and GMC all are converting 400 – 800V today in very different ways. Learn more about how power modules stack up to these discrete designs.

Comments

To join the conversation, and become an exclusive member of Electronic Design, create an account today!