MTD394N 데이터 시트보기 (PDF) - Unspecified

부품명

상세내역

일치하는 목록

MTD394N

Coaxial Transceiver Interface

Unspecified 

MYSON

TECHNOLOGY

MTD492

Collision Frequency (CD+)

Collision Pulse Width (CD+)

Extended Collision Detection Time (Note 6)

CD Heartbeat Delay (TX+ to CD+)

CD Heartbeat Duration(CD+)

Jabber Activation Delay(TX+ to CD+)

Jabber Reset Time-out (TX+ to TXO and CD+)

Fcp

Tcp

Tcxd

Thon

Thw

Tja

Tjr

8.5 10 12.5 MHz

40 50

60

ns

100 200 300 ms

0.6 1.1 1.6

µs

0.5 1.0 1.5

µs

20 26 32 ms

300 420 550 ms

Notes: 4. For a minimum pulse amplitude of > -300 mV.

5. IDL detection precedes the transmission turn-off by transmission propagation delay.

6. Time needed to detect an extended period of collision in order to turn off the reception path.

7.0 TIMING DIAGRAM

INPUT

TO RXI

RX+

RX-

T ron

50%

T rd 90%

50%

10%

T rf

T rr

T roff

Figure 1. Reception Timing

TX+

TX-

TXO

OUTPUT

V ts

T ton

T tst

50%

T td 90%

50%

10%

T tf

T tr

T tidl

T toff

Figure 2. Transmission Timing

TX+

TX-

CD+

CD-

T hon

T hw

Figure 3. Heartbeat Timing

INPUT

to RXI

CD+

CD-

0V

-1.75V

Vcd (max)

T con

1/Fcp

Vcd (min)

T cp

-6.8V

T coff

Figure 4. Collision Timing

-1.2V

MTD492 Revision 3.5 01/07/1997

7/8

Share Link: