Philips Semiconductors

Product specification

NE83C92

Low-power coaxial Ethernet transceiver

1995 May 1

8

SERIAL

NETWORK

INTERFACE

NETWORK

INTERFACE

CONTROLLER

I

S

O

L

A

T

I

O

N

DTE

COAX

B

U

S

NE83C92

COAX

TRANSCEIVER

INTERFACE

MAU

(OPTIONAL)

(AUI CABLE)

MAU = Medium Attachment Unit

AUI Cable = Attachment Unit Interface Cable (not used in Thin Ethernet applications)

SD00310

Figure 2. Interface Diagram for Ethernet/Thin Ethernet Local Area Network

10%

tRD

tRR

90%

tRON+2

tRON

PHASE VIOLATION

ALLOWED

VALID

TIMING

RXI

RX

+

1

2

3

4

5

6

7

8

9

10

11

5

6

7

8

9

10

11

tTR

tRF

tTF

SD00306

Figure 3. Receiver Timing

tOS

RXI

RX

+

tRHI

SD00279

Figure 4. Receiver End-of-Packet Timing

10%

90%

tTD

tTON

tTST+2

tTST

tTOFF

TX

+

TXO

100ns

1

2

3

4

5

6

7

8

9

10

11

1

2

3

4

5

6

7

8

9

10

11

tRR

tTR

tRF

tTF

SD00305

Figure 5. Transmitter Timing