LXT974/LXT975 — Fast Ethernet 10/100 Quad Transceivers
4.0
Test Specifications
Note: The minimum and maximum values in Table 22 through Table 42 and Figure 26 through Figure 39
represent the performance specifications of the LXT974/975 and are guaranteed by test, except
where noted by design. Minimum and maximum values in Table 24 through Table 42 apply over
the recommended operating conditions specific in Table 23.
Table 22. Absolute Maximum Ratings
Parameter
Sym
Min
Max
Units
Supply voltage
Operating temperature
VCC
TOPA
TOPC
TST
-0.3
-15
–
6
V
Ambient
Case
+85
ºC
ºC
ºC
+120
+150
Storage temperature
-65
Caution: Exceeding these values may cause permanent damage.
Functional operation under these conditions is not implied.
Exposure to maximum rating conditions for extended periods may affect device reliability.
Table 23. Operating Conditions
1
Parameter
Sym
Min
Typ
Max
Units
Except MII Supply
MII Supply
Vcc
VCCMII
TOPA
TOPC
ICC
4.75
5.0
–
5.25
5.25
70
V
Recommended supply voltage2
3.125
V
Ambient
0
0
–
–
–
–
–
–
ºC
Recommended operating temperature
Case
–
110
570
500
570
3.0
ºC
100BASE-TX
100BASE-FX
10BASE-T
–
mA
mA
mA
mA
mA
ICC
–
VCC current
ICC
–
Power Down Mode
Auto-Negotiation
ICC
0.5
–
ICC
570
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. Voltages with respect to ground unless otherwise specified.
Table 24. Digital I/O Characteristics 1
2
Parameter
Symbol
Min
Typ
Max
Units
Test Conditions
Input Low voltage3
Input High voltage3
Input current
VIL
VIH
II
–
2.0
-100
–
–
–
–
–
–
0.8
–
V
V
–
–
100
0.4
–
µA
V
0.0 < VI < VCC
Output Low voltage
Output High voltage
VOL
VOH
IOL = 4 mA
IOH = -4 mA
2.4
V
1. Applies to all pins except MII pins. Refer to Table 25 for MII I/O Characteristics.
2. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
3. Does not apply to CLK25M. Refer to Table 26 for clock input levels.
50
Datasheet
INTEL [ INTEL ]
