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5.0 V, 200 M-Bit/Sec PR-IV Hard Disk Drive Read Channel
The Motorola MC34250 is a fully integrated partial response maximum likelihood disk drive read/write channel for use in zoned recording applications. This device integrates the AGC, active filter, 7 tap equalizer, Viterbi detector, frequency synthesizer, servo demodulator, 8/9 rate (0,4/4) Encoder/Decoder with write precompensation and power management in a single 64 pin 10 mm x 10 mm TQFP package.
MC34250
HARD DISK DRIVE READ CHANNEL
SEMICONDUCTOR TECHNICAL DATA
FEATURES:
* * * * * * * * * * * * * * * * * * * * * * * * *
50 to 200 MBPS Programmable Data Rate 800 mW at 200 MBPS and 5.0 V Channel Monitor Output Programmable AGC Charge Pump Currents with Different Values for Data and Servo Envelope Modes and Gain Gradient Mode Programmable AGC Peak Detector Droop Currents with Different Values for Data and Servo Envelope Modes Separate AGC Charge Pump Outputs for Data and Servo Modes Programmable Dual Threshold Qualifier or Hysteresis Comparator Type Pulse Detector for Servo Data Detection. ERD and Polarity Outputs for Servo Timing and Raw Encoded Data Integrated 7 pole 0.05 Equiripple Linear Phase Filter with Programmable Bandwidth from 5.0 MHz to 80 MHz and Different Values for Both Data and Servo Modes Programmable Symmetrical Boost from 0 to 10 dB and Different Values for Data and Servo Modes Programmable Asymmetrical Boost of Up to 40% of Nominal Filter Group Delay in Both Data and Servo Modes 7 Tap Continuous Time Transversal Equalizer with 8 Bit Programmable Tap Weights and Integrated Decision Directed Sign-Sign Least Mean Squared Adaptation Internal Offset Cancellation Loops Fast Acquisition Data Phase Locked Loop with Zero Phase Restart Programmable Data Phase Locked Loop Charge Pump Current Integrated Soft Decision Viterbi Detectors with Programmable Merge References Integrated 8/9 Rate (0,4/4) Encoder and Decoder with Code Scrambler and Descrambler Programmable 2/4/8 Bit NRZ Data Interface Programmable Write Precompensation Delays Locked to the Frequency Synthesizer Differential PECL Write Data Outputs External Write Data Path for DC Erase or Other Non-Encoded Data Integrated Write Current DAC Programmable Power Management Bi-Directional Serial Microprocessor Interface Various Test Modes Controlled Via the Serial Microprocessor Interface
64 1
FTA SUFFIX PLASTIC PACKAGE CASE 840F (Thin QFP)
ORDERING INFORMATION
Device MC34250FTA Operating Temperature Range TA = 0 to +70C Package TQFP-64
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice. MOTOROLA ANALOG IC DEVICE DATA
(c) Motorola, Inc. 1996
Issue 0
1
BRSTA/DTP1
BRSTB/DTP2
BRSTD/DTP4
BRSTC/DTP3
SLEEPB
Power Manager Mode
AAA AAA AAA AAA
2
SRVOUT SRVREF SRVRSTB DPLLFP SRVSMPLB DPLLFM GND(7) SPOL SERD Servo Demodulator Thresholds VCO Servo Pulse Detector Clk Estimator Viterbi Detector Path Memory Viterbi Margin 7-Tap Equalizer Samplers Auto-Adapt FC FWR Peak Detector Q Pump Gain Gradient Coefficients Estimator Mux Q Pump BST ATP1P/CM ATP1M ATP2P ATP2M Q Pump Time Gradient VCC(6) Clamp VGA 7-Pole Filter SYNCDET NRZ (7:0) NRZCLK 8/9 (0,4/4) ENDEC Synchronization Byte Detect READGT WRITEGT WRITECLK Thresholds WDATAP Write Precompensation Coefficients SLATCH MCU Interface Zone Clk WCDAC Data DAC SDATA SCLK Frequency Synthesizer WDATAM Offset Cancel IWRITE WCINHB SYNTHFP SYNTHFM WCSENSE
CLAMPB
VINP
VINM
HOLDB
CDATA
MC34250
CSRVO
Simplified Block Diagram
SRVOGT
RBIAS
This device contains 80,000 active transistors.
CREG
CFILT
MOTOROLA ANALOG IC DEVICE DATA
FREF
MC34250
OUTLINE DIMENSIONS
FTA SUFFIX PLASTIC PACKAGE CASE 840F-01 (Thin QFP) ISSUE O L -Z64 1 49 48 S
T-U
T-U
S
-T-, -U-, -ZP
S
AB Z
L -TDETAIL AA -U-
B
V
0.20 (0.008) M 0.050 (0.002)
M
AC Z
S
0.20 (0.008)
Z
AE AE DETAIL AA G
16 17 32
33
0.20 (0.008)
M
S AC T-U
S
Z
S
M C E -ABH Y
J
0.10
-AC(0.004) DETAIL AD
SECTION AE-AE
NOTES: 1 DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2 CONTROLLING DIMENSION: MILLIMETER. 3 DATUM PLANE -AB- IS LOCATED AT BOTTOM OF LEAD AND IS COINCIDENT WITH THE LEAD WHERE THE LEAD EXITS THE PLASTIC BODY AT THE BOTTOM OF THE PARTING LINE. 4 DATUMS -T-, -U- AND -Z- TO BE DETERMINED AT DATUM PLANE -AC-. 5 DIMENSIONS S AND V TO BE DETERMINED AT SEATING PLANE -AC-. 6 DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. ALLOWABLE PROTRUSION IS 0.25 (0.010 ) PER SIDE. DIMENSIONS A AND B DO INCLUDE MOLD MISMATCH AND ARE DETERMINED AT DATUM PLANE -AB-. 7 DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. DAMBAR PROTRUSION SHALL NOT CAUSE THE D DIMENSION TO EXCEED 0.350 (0.014).
Q R K W X DETAIL AD
MILLIMETERS DIM MIN MAX 9.950 10.050 A B 9.950 10.050 C 1.400 1.600 D 0.170 0.270 E 1.350 1.450 F 0.170 0.230 G 0.500 BSC H 0.050 0.150 J 0.090 0.200 K 0.450 0.550 L 7.500 BSC M 12 REF N 0.090 0.160 0.250 BSC P Q 1 5 R 0.100 0.200 S 11.900 12.100 V 11.900 12.100 0.200 REF W 1.000 REF X 12 REF Y
INCHES MIN MAX 0.392 0.396 0.392 0.396 0.055 0.063 0.007 0.011 0.053 0.057 0.007 0.009 0.020 BSC 0.002 0.006 0.004 0.008 0.018 0.022 0.295 BSC 12 REF 0.004 0.006 0.010 BSC 5 1 0.004 0.008 0.469 0.476 0.469 0.476 0.008 REF 0.039 REF 12 REF
0.20 (0.008)
M
F
D
AC T-U
MOTOROLA ANALOG IC DEVICE DATA
CCC EEE CCC EEE CCC EEE CCC EEE
A 0.20 (0.008) M AB T-U 0.050 (0.002) T-U
S
S
Z
S
BASE METAL
N
Z
S
3
MC34250
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. 1-800-441-2447 or 602-303-5454 MFAX: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 INTERNET: http://Design-NET.com
JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-81-3521-8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298
4
MOTOROLA ANALOG IC DEVICE DATA
*MC34250/D*
MC34250/D

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