參數(shù)資料
型號: 78Q8392L-CP
廠商: Electronic Theatre Controls, Inc.
英文描述: Low Power Ethernet Coaxial Transceiver
中文描述: 低功率以太網同軸收發(fā)器
文件頁數(shù): 7/12頁
文件大?。?/td> 54K
代理商: 78Q8392L-CP
78Q8392L
Low Power Ethernet
Coaxial Transceiver
7
AC OPERATING CHARACTERISTICS
0
°
C < T(ambient) < +70
°
C, VEE = 9V ± 5%
PARAMETER
t
RON
CONDITION
MIN
NOM
400
MAX
500
UNIT
ns
Receiver startup delay
(RXI to RX±)
Receiver propagation delay
t
Rd
(RXI to RX±)
10
50
ns
t
Rr
Differential outputs rise time
(RX± , CD±)
4
5
ns
t
Rf
Differential outputs fall time
(RX± , CD±)
4
5
ns
t
RJ
t
TST
Receiver & cable total jitter
2
4
ns
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
100
200
ns
t
Td
35
50
ns
t
Tr
20
25
30
ns
t
Tf
20
25
30
ns
t
TM
t
TON
0.5
2
ns
8
20
30
ns
t
TOFF
140
160
180
ns
t
CON
t
COFF
f
CD
t
CP
t
HON
700
900
ns
Collision turn-off delay
2000
ns
Collision frequency (CD±)
8.5
10
11.5
MHz
Collision pulse width (CD±)
40
60
ns
CD Heartbeat delay
(TX± to CD±)
CD Heartbeat duration
0.6
1.0
1.6
μs
t
HW
(CD±)
0.6
1.0
1.5
μ
s
t
JA
Jabber activation delay
(TX± to TXO off and CD±)
Jabber reset unjab time
(TX± to TXO and CD±)
Receive Off Pulse Width
20
60
ms
t
JR
250
500
650
ms
t
RO
(RX+ to RX-)
200
ns
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