GDLXT9785MBC.D0-854707 Cortina Systems Inc, GDLXT9785MBC.D0-854707 Datasheet - Page 173

• Manufacturer Part Number: GDLXT9785MBC.D0-854707
• Manufacturer: Cortina Systems Inc

Specifications of GDLXT9785MBC.D0-854707

• Lead Free Status / RoHS Status: Not Compliant

LXT9785/LXT9785E
Datasheet
249241, Revision 11.0
16 April 2007
Table 58
Table 59
Cortina Systems
100BASE-TX Transceiver Characteristics
100BASE-FX Transceiver Characteristics
®
Peak differential output
voltage
Signal amplitude symmetry
Signal rise/fall time
Rise/fall time symmetry
Duty cycle distortion
Overshoot
Jitter magnitude (measured
differentially)
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production
2. Measured at the line side of the transformer, line replaced by 100 Ω (+/-1%) resistor.
Peak-to-peak differential
output voltage
Signal rise/fall time
Jitter magnitude (measured
differentially)
Peak differential input
voltage
Common mode input range
Input Low Voltage (SD pins)
Input High Voltage (SD Pins)
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production
2. 20 - 80 percent into 100 Ω equivalent load of a typical fiber transceiver.
LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers
testing.
testing.
Parameter
Parameter
V
V
DIFFP
Sym
t
V
CMIR
V
V
Sym
tx-jit
t
t
Vss
V
t
V
tx-jit
rf
IH
IP
IL
t
rfs
–
rf
O
P
-
P
-1.84
-1.04
0.55
Min
V
V
0.6
0.95
Min
–
–
–
CC
CC
98
3
–
–
–
–
Transmitter
Receiver
Typ
1.44
Typ
–
–
–
–
–
–
–
–
–
–
–
1
1
V
+/- 0.5
CC
Max
1.05
102
-1.63
-0.88
0.5
1.4
Max
V
V
1.8
1.4
5
5
–
–
CC
CC
- 0.5
Units
ns
ns
ns
ns
%
%
V
Units
ns
ns
V
V
V
V
V
6.0 Test Specifications
Offset from 16 ns pulse
width at 50% of pulse
Test Conditions
Test Conditions
Note 2
Note 2
Note 2
Note 2
peak
Note 2
–
–
–
–
–
–
–
–
Page 173