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參數(shù)資料
| 型號： | XRT5897 |
| 廠商： | Exar Corporation |
| 英文描述： | Seven-Channel E1 Line Interface (3.3V or 5.0V)(七通道E1 3.3V線接口單元) |
| 中文描述： | 七通道E1線路接口（3.3V或5.0V），（七通道素E1 3.3線接口單元） |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 959K |
| 代理商： | XRT5897 |
XRT5897
7
Rev. 1.10
ELECTRICAL CHARACTERISTICS
Test Conditions: V
CC
= 3.3V
+
5%, T
A
= -40 to 25 to 85
°
C, Unless Otherwise Specified
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
DC Electrical Characteristics
Parameters
V
CC
V
CC
Voltage Supply
3.135
3.3
3.465
V
3.3V operation
Voltage Supply
4.75
5.0
5.25
V
5.0V operation
Inputs
V
IH
V
IL
Input High Level
2.0
5.0
V
Input Low Level
0.8
V
Outputs
V
OH
V
OL
Output High Level
2.4
V
I
OH
= -4mA
I
OL
= 4mA
Output Low Level
0.4
V
Receiver Specifications
RX
CL
Allowable Cable Loss
0
12
dB
Cable loss at 1.024MHz (Relative
to 0dB = 2.37Vp measured from
RTIP or RRING to ground).
RX
IM
RX
XI
Interference Margin
-15
-12
dB
With 6dB cable loss
Receiver Slicing Threshold
45
50
55
%
% of peak input voltage at -3dB
cable loss
RX
LOSSET
LOS Must Be Set If RX Sig.
Atten.
2
32dB (For Any Valid
Data Pattern)
15
dB
Relative to 0dB = 2.37Vp
Measured fromRTIP or RRING to
ground.
RX
LOSCLR
LOS Must Be Cleared If RX Sig.
Atten. < 9dB
13
dB
Relative to 0dB = 2.37Vp
measured fromRTIP or RRING to
ground.
RX
LOSHYST
RX
IN
Hysteresis on Input Data
2
dB
For LOS output state change
Input Impedance
5
k
Up to 3.072MHz (Measured from
RTIP or RRING to ground).
Power Specifications V
CC
= 3.3V
P
D
Power Dissipation
715
920
mW
All 1’s Transmit and Receive 75
P
D
P
C
P
C
Power Dissipation
Power Consumption 75
Power Consumption 75
117
1260
880
155
1465
1065
mW
mW
mW
All Drivers Power Down
All 1’s Transmit and Receive
50% data density, Transmit and Re-
ceive
All 1’s Transmit and Receive
50% data density, Transmit and Re-
ceive
P
C
P
C
Power Consumption 120
Power Consumption 120
1025
745
1255
945
mW
mW
Note:
Bold face parameters are covered by production test and guaranteed over operating temperature range.
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