參數(shù)資料
型號(hào): 82572EI
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: Gigabit Ethernet Controller
中文描述: 1 CHANNEL(S), 1000M bps, LOCAL AREA NETWORK CONTROLLER, BGA256
封裝: 17 X 17 MM, FC-BGA-256
文件頁(yè)數(shù): 37/58頁(yè)
文件大小: 318K
代理商: 82572EI
Product Datasheet
31
82571EB/82572EI Gigabit Ethernet Controller
Figure 5. PCI Express Receiver Eye Diagram
4.5.2
EEPROM Interface
V
RX-DIFFp-p-MIN
> 175 mV
V
= 0 mV
(D+ D- Crossing Point)
0.4 UI = T
RX-EYE-MIN
V
= 0 mV
(D+ D- Crossing Point)
Table 23. EEPROM Interface Time Specifications
Symbol
Parameter
Min
Typ
Max
Units
t
SCK
SCK clock
frequency
0
2
2.1
MHz
t
RI
Input rise time
N/A
2.5 ns
2
μ
s
t
FI
Input fall time
N/A
2.5 ns
2
μ
s
t
WH
SCK high time
a
200
250
N/A
ns
t
WH
SCK low time
a
200
250
N/A
ns
t
CS
CS high time
250
N/A
N/A
ns
t
CSS
CS setup time
250
N/A
N/A
ns
t
CSH
CS hold time
250
N/A
N/A
ns
t
SU
Data-in setup
time
50
N/A
N/A
ns
t
H
Data-in hold time
50
N/A
N/A
ns
t
V
Output Valid
0
N/A
200
ns
t
HO
Output hold time
0
N/A
N/A
ns
t
DIS
Output disable
time
N/A
N/A
250
ns
t
WC
Write cycle time
N/A
N/A
10
ms
a.
50% duty cycle.
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