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ML4663CQ Single Chip 10BASE-FL Transceiver
型号:   ML4663CQ
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描述:   Single Chip 10BASE-FL Transceiver
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品牌   MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
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100%
March 1997
ML4663
Single Chip 10BASE-FL Transceiver
GENERAL DESCRIPTION
The ML4663 single-chip 10BASE-FL transceiver integrates
both a ML4662 10BASE-FL transceiver with a ML4622
fiber optic data quantizer to implement a highly integrated
solution for 10BASE-FL transceivers. The ML4663 offers a
standard IEEE 802.3 AU interface that allows it to be
directly connected to industry standard manchester
encoder/decoder chips or an AUI connector.
The ML4663 provides a highly integrated solution that
requires a minimal number of external components, and is
compliant to the IEEE 802.3 10BASE-FL standard. The
transmitter offers a current drive output that directly drives
a fiber optic LED transmitter. The receiver offers a highly
stable fiber optic data quantizer capable of accepting
input signals as low as 2mV
P-P
with a 55dB dynamic
range.
The transmitter automatically inserts 1MHz signal during
idle time and removes this signal on reception. Low Light
is continuously monitored for both activity as well as
power level. Five LED status indicators monitor error
conditions as well as transmissions, receptions and
collisions.
FEATURES
s
s
s
s
s
s
s
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Single chip solution for 10BASE-FL internal or external
Medium Attachment Units (MAUs)
Incorporates an AU interface
Highly stable data quantizer with 55dB input
dynamic range
Input sensitivity as low as 2mV
P-P
Current driven fiber optic LED driver for accurate
launch power
Single +5 volt supply
No crystal or clock required
Five network status LED outputs
BLOCK DIAGRAM
ase
Ple
Tx+
10
Tx–
11
AUI
RECEIVER
ML
See
SQEN/JABD
5
8 fo
466
wD
Ne
r
+5V
V
CC
Tx
(+5V)
17
gns
esi
AV
CC
27
20
RTSET
12
GND
FIBER OPTIC
LED
DRIVER
18
TxOUT
15
XMT
Tx
SQUELCH
1MHz IDLE
SIGNAL
JABBER
LED
DRIVERS
16
RCV
1
CLSN
28
JAB
14
LMON
SQE
RECEIVE SQUELCH
COL+
2
COL–
3
AUI
DRIVER
10MHz GATED
OSCILLATOR
AMP
Tx
Rx+
6
Rx–
7
AUI
DRIVER
LOOPBACK
MUX
Rx
CMP
BIAS
26
V
IN
+
25
V
IN
V
REF
LINK DETECT
21
V
DC
22
V
REF
23
V
THADJ
19
9
13
8
24
4
GND
V
CC
(+5V)
RRSET LBDIS
+5V
AGND
C
TIMER
1
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