參數(shù)資料
型號(hào): 82541ER
廠商: Intel Corp.
英文描述: 82541ER Gigabit Ethernet Controller
中文描述: 82541ER千兆位以太網(wǎng)控制器
文件頁(yè)數(shù): 27/48頁(yè)
文件大?。?/td> 284K
代理商: 82541ER
82541ER Gigabit Ethernet Controller
Datasheet
21
4.4
AC Characteristics
VOL
Output low
voltage:
V
3.3 V PCI
IOL = 1500 mA
0.1 * VDD(3.3)
IOZ
Off-state output
leakage current
VO = VDD or VSS
-10
10
μ
A
IOS
Output short
circuit current
-250
mA
CIN
Input
capacitance
b
Input and bi-
directional buffers
8
pF
a. The maximum VIL is 0.6 V for the following Pins: A13, C5, C8, J4, L7, L12, L13, M8, M12, M13, N10, N11, N13, N14, P9, and P13.
b. V
DD
(3.3) = 0 V; T
A
= 25 C; f = 1 Mhz
Table 12. AC Characteristics: 3.3 V Interfacing
Symbol
Parameter
Min
Typ
Max
Unit
PCICLK
Clock frequency in PCI mode
66
MHz
Table 13. 25 MHz Clock Input Requirements
Symbol
Parameter
Specifications
Units
Min
Typ
Max
f0
Frequency
25
MHz
df0
Frequency variation
-50
+30
ppm
Dc
Duty cycle
40
60
%
tr
Rise time
5
ns
tf
Fall time
5
ns
Jptp
Clock jitter (peak-to-peak)
a
a. Clock jitter is defined according to the recommendations of part 40.6.1.2.5 IEEE 1000BASE-T Standard (at least
10
clock edges, filtered by HPF with cut off frequency 5000 Hz).
250
ps
Cin
Input capacitance
20
pF
T
Operating temperature
70
° C
Aptp
Input clock amplitude (peak-to-peak)
1.0
1.2
1.3
V
Vcm
Clock common mode
0.6
V
Table 11. I/O Characteristics (Sheet 2 of 2) (Continued)
Symbol
Parameter
Condition
Min
Typ
Max
Units
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