78Q8392L/A03
Low Power Ethernet
Coaxial Transceiver
AC OPERATING CHARACTERISTICS
0°C < T(ambient) < +70°C, VEE = 9V ± 5%
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
tRON
tRd
tRr
Receiver startup delay
400
500
ns
(RXI to RX±)
Receiver propagation delay
(RXI to RX±)
Differential outputs rise time
(RX± , CD±)
10
4
50
5
ns
ns
ns
tRf
Differential outputs fall time
(RX± , CD±)
4
5
tRJ
tTST
Receiver & cable total jitter
Transmitter startup delay
(TX± to TXO)
2
100
4
200
ns
ns
tTd
tTr
tTf
Transmitter propagation
delay (TX± to TXO)
Transmitter rise time –
10% to 90% (TXO)
Transmitter fall time-
90% to 10% (TXO)
tTr and tTf mismatch
35
25
25
50
30
30
ns
ns
ns
20
20
tTM
tTON
0.5
20
2
30
ns
ns
Transmit turn-on pulse
width at VTS (TX±)
8
tTOFF
Transmit turn-off pulse
width at VTS (TX±)
Collision turn-on delay
Collision turn-off delay
140
160
700
180
ns
tCON
tCOFF
fCD
900
2000
11.5
60
ns
ns
MHz
ns
Collision frequency (CD±)
Collision pulse width (CD±)
8.5
40
10
tCP
tHON
CD Heartbeat delay
(TX± to CD±)
CD Heartbeat duration
(CD±)
0.6
1.0
1.0
1.6
µs
tHW
tJA
0.6
20
1.5
60
µs
ms
ms
ns
Jabber activation delay
(TX± to TXO off and CD±)
Jabber reset unjab time
(TX± to TXO and CD±)
Receive Off Pulse Width
(RX+ to RX-)
tJR
250
200
500
650
tRO
Page: 7 of 14
© 2008 Teridian Semiconductor Corporation
Rev 1.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
