參數(shù)資料
型號(hào): 82555
廠商: INTEL CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: 10/100 Mbps LAN physical layer interface
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP100
封裝: PLASTIC, MQFP-100
文件頁(yè)數(shù): 49/58頁(yè)
文件大?。?/td> 863K
代理商: 82555
Datasheet
45
Networking Silicon — 82555
11.4
AC Characteristics
11.4.1
MII Clock Specifications
I
CC100
c
Current on all V
CC
pins
235
mA
I
CCT100TOT
Total supply current
275
mA
a. Transmitter current is measured with a 1:1 transformer on the center tap.
b. Transmitter current is measured with a 1:1 transformer on the center tap.
c.
Current is measured on all V
CC
pins at V
CC
= 5.25 V.
Symbol
Parameter Description
Condition
Min
Typ
Max
Units
Figure 12. RBIAS100 Resistance versus I
CCT100
667
634
604
38mA
40mA
42mA
Icct100
Rbias100
Figure 13. AC Testing Level Conditions
Output Levels
Input Levels
V
IH
= 2.0 V
V
IL
= 0.8 V
V
OL
= 0.45 V
V
OH
= 2.4 V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
T1
T
P100
TXC/RXC period
100 Mbps
40
ns
T2
T
P10
TXC/RXC period
10 Mbps
400
ns
T3
T
PMDC
MDC clock period
400
ns
T4
T
TXDC
TXC duty cycle
35
65
%
T5
T
RXDC
RXC duty cycle
35
65
%
T6
T
MDC
MDC duty cycle
35
65
%
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