NE8392C NXP Semiconductors, NE8392C Datasheet - Page 7

• Manufacturer Part Number: NE8392C
• Description: Coaxial Transceiver Interface For Ethernet/thin Ethernet
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1995 May 1
Coaxial transceiver interface for Ethernet/Thin Ethernet
12 TO 15V DC
COLLISION
TRANSMIT
RECEIVE
COAX
NOTES:
1. T1 is a 1:1 pulse transformer, with an inductance of 30 to 100µH.
2. IN916 or equivalent for Ethernet, not required for Thin Ethernet.
3. 78Ω resistors not required if AUI cable not present.
4. Resistor value can be higher to reduce current consumption if AUI cable is not used.
PAIR
PAIR
PAIR
MAU = Medium Attachment Unit
AUI Cable = Attachment Unit Interface Cable (not used in Thin Ethernet applications)
78Ω
78Ω
(NOTE 3)
TRANSCEIVER
INTERFACE
NE8392C
COAX
CABLE
AUI
Figure 2. Interface Diagram for Ethernet/Thin Ethernet Local Area Network
MAU
T1 (NOTE 1)
CONVERTER
1
2
4
5
7
8
DC TO DC
S
O
L
A
T
O
N
I
I
16
15
13
12
10
9
Figure 1. Connection Diagram
(OPTIONAL)
(AUI CABLE)
78Ω
7
INTERFACE
V
V
NETWORK
CD+
CD–
RX+
EE1
EE2
TX+
RX–
SERIAL
TX–
1
2
3
4
5
6
7
8
9V (ISOLATED)
NE8392C
CTI
+
–
16
15
14
13
12
11
10
500Ω
500Ω
500Ω
500Ω
9
DTE
CDS
TXO
RXI
V
RR–
RR+
GND
HBE
CONTROLLER
EE3
INTERFACE
NETWORK
(NOTE 4)
(NOTE 2)
1K 1%
Product specification
NE8392C
B
U
S
SD00284
SD00289
COAX