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參數(shù)資料
| 型號： | XR-T56L85N |
| 廠商： | EXAR CORP |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | Low Power PCM Line Interface |
| 中文描述： | DATACOM, PCM TRANSCEIVER, CDIP18 |
| 封裝： | 0.300 INCH, CERAMIC, DIP-18 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 105K |
| 代理商： | XR-T56L85N |
XR-T56L85
3
Rev. 2.01
ELECTRICAL CHARACTERISTICS
Test Conditions: V
CC
= 5V
5%, T
A
= -40
°
C to +85
°
C, Unless Otherwise Specified
Parameters
Min.
Typ.
Max.
Unit
Conditions
DC Electrical Characteristics
Supply Voltage
4.75
5
5.25
V
Supply Current
14
16
mA
Total Current to Pin 9 & Pin 18 (Transmit-
ter Outputs Open and All Ones Pattern)
Receiver Section
Tank Drive Current
300
500
700
μ
A
V
Measured at Pin 4, V
CC
= 5V
Measured at Pin 8, I
OL
= 1.6mA
Measured at Pin 8, I
OH
=400
μ
A
Measured at Pin 10 & 11, I
OL
=1.6mA
Measured at Pin 10 & 11, I
OH
=400
μ
A
Clock Output Low
0.3
0.6
Clock Output High
3.0
3.6
V
Data Output Low
0.3
0.6
V
Data Output High
3.0
3.6
V
Transmitter Section
Driver Output Low
0.6
0.9
1.2
V
μ
A
Measured at Pin 13 & 15, I
OL
=-40mA
Measured in Off State
Output Pull-up to +20V
Measured at Pin 12, 16 & 17
I
OL
= -40mA, V
OL
= 1.0V
Measured at Pin 12, 16 & 17
Output Off
Measured at Pin 12, 16 & 17
Input Low Voltage = 0.4V
Measured at Pin 12, 16 & 17
Input Low Voltage = 0.4V
Measured at Pin 13 & 15
V
OL
= 1.0V
Output Leakage Current
100
Input High Voltage
2.2
V
Input Low Voltage
0.8
V
Input Low Current
-1.6
mA
Input High Current
40
μ
A
Output Low Current
-30
mA
AC Electrical Characteristices
Receiver Section
Input Level
6
6.6
Vpp
Measured Between Pin 2 & 3
Loss Input Signal Alarm Level
0.6
Vpp
Measured Between Pin 2 & 3
Alarm on Pull Data/Clock Output High
Measured Between Pin 2 & 3
With Sinewave Input
Measured at Pin 8 at 2.0V DC Level
Input Impedance at 2.048MHz
2.5
k
Clock Duty Cycle
35
50
65
%
Clock Rise & Fall Time
20
40
ns
Measured at Pin 8, CL = 15pF
Data Pulse Width
35
50
% of
clock
period
Measured at Pin 10 & 11
At 1V DC Level, Cable Loss = dB
Transmitter Section
Pulse Width at 2.048MHz
234
244
264
ns
Measured at Pin 13 & 15 Figure 3
Output Rise Time
12
25
ns
Figure 3
Output Fall Time
12
25
ns
Figure 3
Output Fall Imbalance
2.5
ns
At 50% Output Level
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