ML4644CQ 데이터 시트보기 (PDF) - Micro Linear Corporation
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ML4644CQ Datasheet PDF : 11 Pages
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PIN DESCRIPTION (Continued)
PIN # NAME
FUNC.
23 RxOUT2P Output
24 RxOUT2N Output
25 VCC
26 VCC
27 NC
28 NC
29 RxINP
Power
Power
Input
30 RxINN Input
31 SQEN2 Input
32 SQEN3 Input
33 RxOUT3P Output
34 RxOUT3N Output
35 NC
36 RxOUT4P Output
37 RxOUT4N Output
38 NC
39 JAB3
Output
40 NC
41 JAB4
Output
42 NC
43 NC
44 SQEN4 Input
45 JAB1
Output
46 TxIN4N Input
47 TxIN4P Input
DESCRIPTION
Receive signal pair for
DTE port 2.
Receive signal pair for
DTE port 2.
+5V power supply.
+5V power supply.
No connection.
No connection.
Receive signal pair for
MAU port.
Receive signal pair for
MAU port.
Active low. This pin is
used to enable the SQE
function of DTE port 2.
Active low. This pin is
used to enable the SQE
function of DTE port 3.
Receive signal pair for
DTE port 3.
Receive signal pair for
DTE port 3.
No connection.
Receive signal pair for
DTE port 4.
Receive signal pair for
DTE port 4.
No connection.
Open collector jabber
LED driver for Jabber of
DTE port 3.
No connection.
Open collector jabber
LED driver for Jabber of
DTE port 4.
No connection.
No connection.
Active low. This pin is
used to enable the SQE
function of DTE port 4.
Open collector jabber
LED driver for Jabber of
DTE port 1.
Transmit signal pair for
DTE port 4.
Transmit signal pair for
DTE port 4.
ML4644
PIN # NAME
48 Tx4
FUNC.
Output
49 Tx3
Output
50 Tx2
Output
51 Tx1
Output
52 GND
Ground
53 CDOUT1P Output
54 CDOUT1N Output
55 TxIN1N Input
56 TxIN1P Input
57 NC
58 CDOUT4P Output
59 CDOUT4N Output
60 CDINN Input
61 X3
Output
62 NC
63 CDINP Input
64 SQEN1 Input
65 NC
66 X1
Input
67 X2
68 NC
Input
DESCRIPTION
Open collector transmit
LED driver for Jabber of
DTE port 4.
Open collector transmit
LED driver for Jabber of
DTE port 3.
Open collector transmit
LED driver for Jabber of
DTE port 2.
Open collector transmit
LED driver for Jabber of
DTE port 1.
Ground.
Collision signal pair for
DTE port 1.
Collision signal pair for
DTE port 1.
Transmit signal pair for
DTE port 1.
Transmit signal pair for
DTE port 1.
No connection.
Collision signal pair for
DTE port 4.
Collision signal pair for
DTE port 4.
Collision signal pair for
MAU port.
ECL output driven by
crystal. Can drive X1
inputs on other
ML4644S.
No connection.
Collision signal pair for
MAU port.
Active low. This pin is
used to enable the SQE
function of DTE port 1.
No connection.
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.
10 MHz Crystal input pin.
No connection.
3
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