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ML4644 bảng dữ liệu(PDF) 3 Page - Micro Linear Corporation

tên linh kiện ML4644
Giải thích chi tiết về linh kiện  4 Port AUI Multiplexer
PDF  11 Pages
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nhà sản xuất  MICRO-LINEAR [Micro Linear Corporation]
Trang chủ  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4644 bảng dữ liệu(HTML) 3 Page - Micro Linear Corporation

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3
ML4644
PIN DESCRIPTION (Continued)
PIN #
NAME
FUNC.
DESCRIPTION
23
RxOUT2P Output
Receive signal pair for
DTE port 2.
24
RxOUT2N Output
Receive signal pair for
DTE port 2.
25
VCC
Power
+5V power supply.
26
VCC
Power
+5V power supply.
27
NC
No connection.
28
NC
No connection.
29
RxINP
Input
Receive signal pair for
MAU port.
30
RxINN
Input
Receive signal pair for
MAU port.
31
SQEN2
Input
Active low. This pin is
used to enable the SQE
function of DTE port 2.
32
SQEN3
Input
Active low. This pin is
used to enable the SQE
function of DTE port 3.
33
RxOUT3P Output
Receive signal pair for
DTE port 3.
34
RxOUT3N Output
Receive signal pair for
DTE port 3.
35
NC
No connection.
36
RxOUT4P Output
Receive signal pair for
DTE port 4.
37
RxOUT4N Output
Receive signal pair for
DTE port 4.
38
NC
No connection.
39
JAB3
Output
Open collector jabber
LED driver for Jabber of
DTE port 3.
40
NC
No connection.
41
JAB4
Output
Open collector jabber
LED driver for Jabber of
DTE port 4.
42
NC
No connection.
43
NC
No connection.
44
SQEN4
Input
Active low. This pin is
used to enable the SQE
function of DTE port 4.
45
JAB1
Output
Open collector jabber
LED driver for Jabber of
DTE port 1.
46
TxIN4N
Input
Transmit signal pair for
DTE port 4.
47
TxIN4P
Input
Transmit signal pair for
DTE port 4.
PIN #
NAME
FUNC.
DESCRIPTION
48
Tx4
Output
Open collector transmit
LED driver for Jabber of
DTE port 4.
49
Tx3
Output
Open collector transmit
LED driver for Jabber of
DTE port 3.
50
Tx2
Output
Open collector transmit
LED driver for Jabber of
DTE port 2.
51
Tx1
Output
Open collector transmit
LED driver for Jabber of
DTE port 1.
52
GND
Ground
Ground.
53
CDOUT1P
Output
Collision signal pair for
DTE port 1.
54
CDOUT1N
Output
Collision signal pair for
DTE port 1.
55
TxIN1N
Input
Transmit signal pair for
DTE port 1.
56
TxIN1P
Input
Transmit signal pair for
DTE port 1.
57
NC
No connection.
58
CDOUT4P
Output
Collision signal pair for
DTE port 4.
59
CDOUT4N
Output
Collision signal pair for
DTE port 4.
60
CDINN
Input
Collision signal pair for
MAU port.
61
X3
Output
ECL output driven by
crystal. Can drive X1
inputs on other
ML4644S.
62
NC
No connection.
63
CDINP
Input
Collision signal pair for
MAU port.
64
SQEN1
Input
Active low. This pin is
used to enable the SQE
function of DTE port 1.
65
NC
No connection.
66
X1
Input
10MHz Crystal input pin.
This pin can also be used
as a 10MHz clock input
pin, or can connect to X3
of another that is driven
by a crystal or 10MHz
clock.
67
X2
Input
10 MHz Crystal input pin.
68
NC
No connection.



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