XRT56L85 Просмотр технического описания (PDF) - Exar Corporation
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XRT56L85 Datasheet PDF : 12 Pages
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XRT56L85
ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 5V± 5%, TA = -40°C to +85°C, Unless Otherwise Specified
Parameters
DC Electrical Characteristics
Supply Voltage
Supply Current
Min.
4.75
Typ.
5
14
Max.
5.25
16
Unit
Conditions
V
mA
Total Current to Pin 9 & Pin 18 (Transmit-
ter Outputs Open and All Ones Pattern)
Receiver Section
Tank Drive Current
Clock Output Low
Clock Output High
Data Output Low
Data Output High
Transmitter Section
Driver Output Low
Output Leakage Current
Input High Voltage
Input Low Voltage
Input Low Current
Input High Current
Output Low Current
300
500
700
0.3
0.6
3.0
3.6
0.3
0.6
3.0
3.6
0.6
0.9
1.2
100
2.2
0.8
-1.6
40
-30
AC Electrical Characteristices
µA
Measured at Pin 4, VCC= 5V
V
Measured at Pin 8, IOL = 1.6mA
V
Measured at Pin 8, IOH =400µA
V
Measured at Pin 10 & 11, IOL =1.6mA
V
Measured at Pin 10 & 11, IOH =400µA
V
Measured at Pin 13 & 15, IOL =-40mA
µA
Measured in Off State
Output Pull-up to +20V
V
Measured at Pin 12, 16 & 17
IOL = -40mA, VOL = 1.0V
V
Measured at Pin 12, 16 & 17
Output Off
mA
Measured at Pin 12, 16 & 17
Input Low Voltage = 0.4V
µA
Measured at Pin 12, 16 & 17
Input Low Voltage = 0.4V
mA
Measured at Pin 13 & 15
VOL= 1.0V
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
Input Impedance at 2.048MHz
2.5
kΩ
Measured Between Pin 2 & 3
With Sinewave Input
Clock Duty Cycle
35
50
65
%
Measured at Pin 8 at 2.0V DC Level
Clock Rise & Fall Time
20
40
ns
Measured at Pin 8, CL = 15pF
Data Pulse Width
35
50
75
% of
Measured at Pin 10 & 11
clock
At 1V DC Level, Cable Loss = €dB
period
Transmitter Section
Pulse Width at 2.048MHz
Output Rise Time
Output Fall Time
Output Fall Imbalance
234
244
264
12
25
12
25
2.5
ns
Measured at Pin 13 & 15 Figure 3
ns
Figure 3
ns
Figure 3
ns
At 50% Output Level
Rev. 2.11
3
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