參數(shù)資料
型號： LXT914PE
英文描述： LAN HUB CONTROLLER
中文描述： 局域網(wǎng)集線器控制器
文件頁數(shù)： 36/42頁
文件大?。?/td> 561K
代理商： LXT914PE
LXT914
—
Flexible Quad Ethernet Repeater
36
Datasheet
4.0
Test Specifications
Note:
Minimum and maximum values in Tables
20
through
28
, and Figures
8
and
9
represent the
performance specifications of the LXT914 and are guaranteed by test except, where noted, by
design.
Table 20. Absolute Maximum Ratings
Parameter
Symbol
Min
Typ
Max
Units
Supply voltage
V
CC
-0.3
–
6
V
Operating temperature
LXT914PC/QC
T
OP
0
–
+70
°
C
LXT914PE
T
OP
-40
–
+85
°
C
Storage temperature
T
ST
-65
–
+150
°
C
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 21. Recommended Operating Conditions
Parameter
Symbol
Min
Typ
Max
Units
Recommended supply voltage
V
CC
4.75
5.0
5.25
V
Recommended operating temperature
LXT914PC/QC
T
OP
0
–
+70
°
C
LXT914PE
T
OP
-40
–
+85
°
C
Table 22. I/O Electrical Characteristics
1
(over recommended range)
Parameter
Symbol
Min
Typ
2
Max
Units
Test Conditions
Supply current
I
CC
–
–
180
mA
Input Low voltage
V
IL
–
–
0.8
V
Input Low voltage (RESET)
V
ILRESET
–
–
0.8
V
V
CC
= 5.25 V
Input High voltage
V
IH
2.0
–
–
V
Input High voltage (RESET)
V
IHRESET
4.0
–
–
V
V
CC
= 4.75 V
Output Low voltage
V
OL
–
–
0.4
V
I
OL
= 1.6 mA
Output Low voltage
V
OL
–
–
10
% V
CC
I
OL
< 10
μ
A
Output Low voltage (LED)
V
OLL
–
–
1.0
V
I
OLL
= 5 mA
Output High voltage
V
OH
2.4
–
–
V
I
OH
= 40
μ
A
Output High voltage
V
OH
90
–
–
% V
CC
I
OH
< 10
μ
A
Output High voltage (LED)
V
OHL
4
–
–
V
I
OHL
= -5 mA
Input Low current
I
IL
–
–
2
mA
V
OL
= .4 V
NOTES:
1. Not applicable to IRB signals. IRB electrical characteristics are specified in
Table 25
.
2. Typical values are at 25
°
C and are for design aid only; they are not guaranteed and not subject to
production testing.
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