ML4642CQ データシートの表示（PDF） - Micro Linear Corporation
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ML4642CQ Datasheet PDF : 15 Pages
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PIN DESCRIPTIONS
ML4642
PIN NO.
1
NAME
RXLED/LPBK/SQE
2
RXINP
3
RXINN
4
JAB1/JDIS
5
RRSET
6
VCC
7
TXOUTP
8
TXOUTN
9
TXLED1
10
TXLED2
11
TXIN2P
12
TXIN2N
13
TXIN1P
14
TXIN1N
15
VCC
16
CDOUT2N
17
CDOUT2P
18
CDLED
19
CDINN
20
CDINP
21
JAB2
22
CDOUT1P
23
CDOUT1N
24
GND
25
RXOUT2P
26
RXOUT2N
27
RXOUT1N
28
RXOUT1P
FUNCTION
I/O
Input
Onput
I/O
Input
Power
Output
Output
Output
Output
Input
Input
Input
Input
Power
Output
Output
Output
Input
Input
Output
Output
Output
Ground
Output
Output
Output
Output
DESCRIPTION
Active low receive LED driver for MAU port. If tied to ground, this pin
enables internal loopback of the active TXIN pair to the RXOUT pairs
and enables SQE test. If tied to 0.6 volts internal loopback is enable but
SQE test is disabled. SQE and loopback are disabled when this pin is
pulled high.
Receive signal pair for MAU port.
Receive signal pair for MAU port.
Active low jabber LED driver for DTE port 1. If tied to ground, the
jabber function is disabled at TXIN1 and TXIN2.
Bias setting external resistor, 61.9Ký.
+5 volt power supply
Transmit signal pair for MAU port.
Transmit signal pair for MAU port.
Open collector, active low transmit LED driver for DTE AUI port 1.
Open collector, active low transmit LED driver for DTE AUI port 2.
Transmit signal pair for DTE port 2.
Transmit signal pair for DTE port 2.
Transmit signal pair for DTE port 1.
Transmit signal pair for DTE port 1.
+5 volt power supply
Collision signal pair for DTE port 2.
Collision signal pair for DTE port 2.
Open collector, active low collision LED driver.
Collision signal pair for MAU port.
Collision signal pair for MAU port.
Open collector, active low jabber LED driver for DTE port 2.
Collision signal pair for DTE port 1.
Collision signal pair for DTE port 1.
GND.
Receive signal pair for DTE port 2.
Receive signal pair for DTE port 2.
Receive signal pair for DTE port 1.
Receive signal pair for DTE port 1.
3
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