82575EB Datasheet, PDF (38/62 Pages) Intel Corporation – Intel® 82575EB Gigabit Ethernet Controller Datasheet

Intel^® 82575EB Gigabit Ethernet Controller — Targeted Recommended Operating Conditions
5.2 Targeted Recommended Operating
Conditions
5.2.1 General Operating Conditions
Table 2.
Recommended Operating Conditions ¹
Symbol
Parameter
Min
Max
Unit
VCC(3.3)
VCC(1.8)
VCC(1.0)
tR / tF
T_a
T_J
DC supply voltage on 3.3 V pins
DC supply voltage on 1.8 V pins
DC supply voltage on 1.0 V pins
Input rise/fall time (normal input)
Operating temperature range (ambient)
Junction temperature
3.0
1.71
0.95
0
0
N/A
3.6
V
1.89
V
1.05
V
200
ns
55
°C
110
°C
1. Sustained operation of the device at conditions exceeding these values, even if they are within the absolute maximum rating limits,
might result in permanent damage. Device functionality to stated DC and AC limits is not guaranteed, if conditions exceed
recommended operating conditions.
5.2.2 Voltage Ramp and Sequencing Recommendations
The following tables give the specifications for the power supply ramps:
Table 3.
3.3 V Supply Voltage Ramp
Parameter
Rise Time
Monotonicity
Slope
Operational
Range
Ripple
Ripple
Overshoot
Description
Time from 10% to 90% mark
Voltage dip allowed in ramp
Ramp rate at any time between 10% to 90%
Voltage range for normal operating
conditions
Maximum voltage ripple at a bandwidth
equal to 50 MHz
Overshoot time upon ramp²
Maximum voltage allowed^b
Min
0.1
N/A
24
3
N/A
N/A
N/A
Max
100¹
0
28800
3.6
70
0.05
100
1. Good design practices achieve voltage ramps to within the regulation bands in approximately 20 ms or less.
2. Excessive overshoot can affect long term reliability.
Unit
ms
mV
mV/ms
V
mV_peak-peak
ms
mV
Intel^® 82575EB Gigabit Ethernet Controller
Datasheet
38
317679-004
Revision: 2.11
January 2011