74740-0001 Datasheet, PDF (8/11 Pages) Molex Electronics Ltd. – 1000Base-T RJ-45 Gigabit Ethernet GBIC Copper Transceiver

ACTIVE PERFORMANCE SPECIFICATIONS
Module Specifications – Recommended Operating Conditions
PARAM ETERS
SYMBOL MIN TYP MAX
Storage Temperature
Tstg
-40
85
Ambient Operating Temperature
Ta
0
70
UNITS
ºC
ºC
1000Base-T RJ-45 Gigabit
Ethernet GBIC Copper
Transceiver
NOTES
Supply Voltage
Supply Current
Surge Current
V_DDR, V_DDT
Icc
Isurge
4.75
5.25 Vdc
350
mA
55
mA
Vcc-ground
Surge above steady state value
GBIC Host Serial Interface (TX/RX)
Data Input/Output Type
Impedance (SERDES Interface)
150
ohms
LVDS, AC coupled
Dif f erential
Transm itter (Input to GBIC)
Input Voltage
400
2400 mVpp
Receiver (Output to SERDES)
Output Voltage
Max Off Voltage
Rise Time, 20%–80%
Total Jitter
Skew
875
1525 mVpp
170 mVpp
85
350
ps
192
ps
175
ps
Link Dropout
74740-0001
From detection of loss of signal to SERDES
100 200 msec
disable
Loss of Signal Tim ing
74740-0002, 74740-0003
RX_LOS assert delay
RX_LOS negate delay
t_loss_on
t_los s _of f
From detection of loss of signal to assertion of
100 200 msec
RX_LOS
From detection of presence of signal to negation
3
3.5
sec
of RX_LOS