78Q8392L/A03
Low Power Ethernet
Coaxial Transceiver
AC OPERATING CHARACTERISTICS
0°C < T(ambient) < +70°C, VEE = 9V ± 5%
PARAMETER
t
RON
Receiver startup delay
(RXI to RX±)
t
Rd
Receiver propagation delay
(RXI to RX±)
t
Rr
Differential outputs rise time
(RX± , CD±)
t
Rf
Differential outputs fall time
(RX± , CD±)
t
RJ
Receiver & cable total jitter
t
TST
t
Td
t
Tr
t
Tf
t
TM
t
TON
t
TOFF
t
CON
t
COFF
f
CD
t
CP
t
HON
t
HW
t
JA
t
JR
t
RO
Transmitter startup delay
(TX± to TXO)
Transmitter propagation
delay (TX± to TXO)
Transmitter rise time –
10% to 90% (TXO)
Transmitter fall time-
90% to 10% (TXO)
t
Tr
and t
Tf
mismatch
Transmit turn-on pulse
width at V
TS
(TX±)
Transmit turn-off pulse
width at V
TS
(TX±)
Collision turn-on delay
Collision turn-off delay
Collision frequency (CD±)
Collision pulse width (CD±)
CD Heartbeat delay
(TX± to CD±)
CD Heartbeat duration
(CD±)
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-)
8.5
40
0.6
0.6
20
250
200
500
1.0
1.0
10
CONDITION
MIN
NOM
400
10
4
4
2
100
35
20
20
25
25
0.5
8
140
20
160
700
MAX
500
50
5
5
4
200
50
30
30
2
30
180
900
2000
11.5
60
1.6
1.5
60
650
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
ns
µs
µs
ms
ms
ns
Page: 7 of 14
©
2008 Teridian Semiconductor Corporation
Rev 1.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
