Philips Semiconductors
Product specification
Low-power coaxial Ethernet transceiver
NE83C92
DESCRIPTION
The NE83C92 is a low power BiCMOS coaxial transceiver interface
(CTI) for Ethernet (10base5) and Thin Ethernet (10base2) local area
networks. The CTI is connected between the coaxial cable and the
Data Terminal Equipment (DTE) and consists of a receiver,
transmitter, receive-mode collision detector, heartbeat generator and
jabber timer (see Block Diagram). The transmitter output connects
directly to a doubly terminated 50鈩?cable, while the receiver output,
collision detector output and transmitter input are connected to the
DTE through isolation transformers. Isolation between the CTI and
the DTE is an IEEE 802.3 requirement that can be met on signal
lines by using a set of pulse transformers. Power isolation for the
CTI is achieved using DC-to-DC conversion through a power
transformer.
The part is fully pin compatible with the industry standard 8392, but
has substantially lower current consumption, is fully compliant with
the IEEE802.3 standard, and has additional features such as
automatic selection between AUI and coaxial connections, and
requires no external pull-down resistors for local integrated MAU
application.
The NE83C92 is manufactured on an advanced BiCMOS process
and is available with PLCC package which make it ideally suited to
lap-top personal computers or systems where low power
consumption, limited board space and jumperless design is
required. Refer to selection flow chart for optimal application.
PIN CONFIGURATION
N Packages
CD+
CD鈥?/div>
RX+
V
EE
V
EE
RX鈥?/div>
TX+
TX鈥?/div>
1
2
3
4
5
6
7
8
16 CDS
15 TXO
14
RXI
13 V
EE
12 RR鈥?/div>
11 RR+
10 GND
9
HBE
A PACKAGE
CDS
TXO
CD+
CD鈥?/div>
RX+
N/C
RXI
25
24
23
22
21
20
19
12 13
RX鈥?/div>
TX+
14 15 16 17 18
GND
GND
HBE
RR+
TX鈥?/div>
4
V
EE
5
V
EE
6
V
EE
7
V
EE
8
V
EE
9
V
EE
10
V
EE
11
3
2
1
28 27 26
V
EE
V
EE
V
EE
V
EE
V
EE
V
EE
RR鈥?/div>
FEATURES
鈥?/div>
Fully compliant with Ethernet II, IEEE 802.3 10BASE-5 and
10BASE-2, and ISO 8802/3 interface specifications
鈥?/div>
100% drop-in compatible with
industry standard 8392 sockets
鈥?/div>
Optimal implementation can use 1 Watt DC-DC converter and
reduces external part count (local/integrated MAU requires no
external pull-down resistors).
鈥?/div>
High efficiency AUI drivers automatically power-down under idle
conditions to minimize current consumption
SD00308
鈥?/div>
Automatically disabling AUI drivers when disconnecting coax
cable, allowing hardwiring of AUI connection and local/integrated
CTI connection
鈥?/div>
Available in 16-pin DIP, and 28-pin PLCC packages
鈥?/div>
Expanded version (NE83Q93) with 5 LED status drivers is
鈥?/div>
Full ESD protection
鈥?/div>
Power-on reset prevents glitches on coaxial cable during
power-up
available for repeater and advanced system applications
鈥?/div>
Smart squelch on data inputs eliminates false activations
鈥?/div>
Advanced BiCMOS process for extremely low power operation
ORDERING INFORMATION
DESCRIPTION
16-Pin Plastic Dual In-Line Package
28-Pin Plastic Leaded Chip Carrier
TEMPERATURE RANGE
0 to +70
擄
C
0 to +70
擄
C
ORDER CODE
NE83C92N
NE83C92A
DWG #
SOT28-4
SOT261-3
1995 May 1
1
853-1736 15180
NE83C92A相關(guān)型號PDF文件下載
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英文版
Coaxial transceiver interface for Ethernet/Thin Ethernet
PHILIPS
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英文版
Coaxial transceiver interface for Ethernet/Thin Ethernet
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Low-power coaxial Ethernet transceiver
PHILIPS
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