MAX4890 Maxim, MAX4890 Datasheet - Page 11

• Manufacturer Part Number: MAX4890
• Description: The MAX4890/MAX4891/MAX4892 high-speed analog switches meet the needs of 10/100/1000 Base-T applications
• Manufacturer: Maxim

Figure 5. ENABLE and DISABLE Times
Figure 7. Output Skew
THE MAX4890/MAX4891/MAX4892 SWITCHES ARE FULLY BIDIRECTIONAL.
PULSE SKEW = t
SEL
A_
_B_
_B_
t
t
PLHY
PLHX
SK(p)
= |t
PHLY
1.25V
10/100/1000 Base-T Ethernet LAN Switch
- t
______________________________________________________________________________________
PLHX
90%
10%
t
ON
t
| OR |t
OFF
PHLy
- t
PHLx
|
1.25V
t
PHLX
A_
t
0V
3.0V
PHLY
2.0V
1.0V
90%
2.0V
V
V
t
ON
OH
OL
t
90%
OFF
0V
2.0V
A_
V
2.5V
V
0V
OH
OL
Figure 6. Propagation Delay Times
Figure 8. Human Body ESD Test Model
THE MAX4890/MAX4891/MAX4892 SWITCHES ARE FULLY BIDIRECTIONAL.
PULSE SKEW = t
VOLTAGE
A_
SOURCE
HIGH-
_B_
DC
t
PLH
CHARGE-CURRENT
LIMIT RESISTOR
SK(p)
= |t
1MΩ
R
PHL
C
100pF
C s
- t
PLH
|
STORAGE
CAPACITOR
RESISTANCE
1500Ω
DISCHARGE
R
D
DEVICE
UNDER
t
PHL
TEST
3.0V
2.0V
1.0V
2.0V
V
V
OH
OL
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