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參數(shù)資料
| 型號(hào)： | L6363 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | PRML READ/WRITE CHANNEL |
| 中文描述： | PRML讀/寫通道 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 86K |
| 代理商： | L6363 |
1/4
L6363
June 2001
This is preliminary information on a new product now in development. Details are subject to change without notice.
I
SIGNAL PROCESSING
– PR4 signal equalization and loops
– 8th order optimized low pass filter with program-
mable cut-off frequency and boost
– single flash 6-bit ADC
– 5-TAP programmable/self-adaptive digital FIR
for signal equalization
– Programmable/self-adaptive Offset and MR
Head Asymmetry compensation for signal
equalization
– Timing and Gain loops for optimum data recov-
ery
– Encoder scheme:
– Rate 304/338 with Local ECC (16/17 without
Local ECC)
– Detector scheme:
– Media Noise TerminatorTM Detector
– Optional Local ECC Post Processing scheme
– 8-bit NRZ interface to disk controller
– Thermal Asperity detection/compensation and
Erasure Flag
I
WRITE
– 2 level Write Precomp for Non Linear Transition
Shift compensation
– Asynchronous and Synchronous Direct Write
for disk/head characterization
I
SERVO
– Digital Synchronous Servo with data rates up to
75MHz (8x Ovsersampling)
– Internal Burst and Grey Code detection
– Repeatable Run Out Support
I
CHANNEL QUALITY MONITOR
– Fast read parameters optimization for minimum
BER
– Advanced Disk Surface Defect Scan
I
QUALITY AND RELIABILITY
– BIST for analog front-end and digital back-end
– Iddq and I/O pins mapping
I
POWER SUPPLY AND CONTROL
– 2.5V Analog and 1.8V Digital supply; 1.8V to
3.3V supply for I/O pins
– Advanced Power Management features
DESCRIPTION
L6363 is a 0.18
μ
m CMOS PRML R/W channel sup-
porting data rates up to 750Mb/sec with Servo De-
modulation, Clock Synthesis, Channel Quality
Monitor for channel optimization and Disk Surface
Defect Scan capability
TQFP100
ORDERING NUMBER: L6363
PRODUCT PREVIEW
PRML READ/WRITE CHANNEL
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