L6000 ST Microelectronics, Inc., L6000 Datasheet
L6000
Manufacturer Part Number
L6000
Description
Single Chip Read & Write Channel
Manufacturer
ST Microelectronics, Inc.
Datasheet
1.L6000.pdf
(24 pages)
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This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
DESCRIPTION
The L6000 is a 5V single chip read channel IC. It
contains all the functions needed to implement a
high performance read channel including the
PIN CONNECTION (Top view)
August 1993
SUPPORTS 9-32Mbit/s DATA RATE OPERA-
TION IN RLL [1,7] CONSTRAINT
- Data Rate is Programmable
SUPPORTS ZONED BIT RECORDING AP-
PLICATIONS
LOW POWER OPERATION (500mW TYPI-
CAL @ 5V @ 32Mbits/Sec
PROVIDES PROGRAMMABILITY THROUGH
SERIAL MICROPROCESSOR INTERFACE
AND INTERNAL REGISTERS
- Bi-directional access to internal registers of
PROGRAMMABLE POWER DOWN MODES
Full power-down mode (5mW max.)
POWER SUPPLY RANGE 4.3 to 5.5V
pulse detector, filter, servo demodulator,
frequency synthesizer and data separator.
VCC PULSE DET
FILT NORM OUT
FILT NORM OUT
FILT DIFF OUT
FILT DIFF OUT
LEVEL REF V
CLOCK PATH
CLOCK PATH
DATA PATH
DATA PATH
FILTER IN
FILTER IN
AGC OUT
AGC OUT
PTAT R
LEVEL
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
48 47 46 45 44
1
SINGLE CHIP READ & WRITE CHANNEL
2
3
4
5
43 42 41 40 39
6
7
8
9
10
pulse detector, programmable active filter, servo
demodulator, frequency sinthesizer, and data
separator, at data rates up to 32 Mbit/s. A single
external resistor sets the reference current for the
internal DAC which, in turn, fixes the data rate.
This device is programmed through a serial port
and banks of internal registers. It is fully compat-
ible with zoned bit recording applications. Exter-
nal components do not need to be changed when
switching between zones. The L6000 is manufac-
tured using an advanced BiCMOS technology.
38 37 36 35 34
11 12 13 14 15
OPERATING TEMPERATURE: 0 C to 70 C
ORDERING NUMBER: L6000
33
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
M92L6000-01
DATA SEP FLT
DATA SEP FLT
VCC DATA SEP
READ DATA I/O
ADDR MARK DET
READ REF CLOCK
WRITE CLOCK
MULT TP1
MULT TP2
GND I/O
WRITE DATA NR2 IN
READ NR2 OUTPUT
WRITE DATA
VCC I/O
WRITE GATE
READ GATE
TQFP64
(10 x 10)
ADVANCE DATA
L6000
1/24
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