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XR-T56L85 Datasheet, PDF (3/12 Pages) Exar Corporation – Low Power PCM Line Interface
XR-T56L85
ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 5V$5%, TA = -40°C to +85°C, Unless Otherwise Specified
Parameters
Min.
Typ.
Max.
DC Electrical Characteristics
Unit
Conditions
Supply Voltage
4.75
5
5.25
V
Supply Current
Receiver Section
Tank Drive Current
Clock Output Low
Clock Output High
Data Output Low
Data Output High
Transmitter Section
14
16
300
500
700
0.3
0.6
3.0
3.6
0.3
0.6
3.0
3.6
mA
Total Current to Pin 9 & Pin 18 (Transmit-
ter Outputs Open and All Ones Pattern)
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
Driver Output Low
0.6
Output Leakage Current
Input High Voltage
2.2
Input Low Voltage
Input Low Current
Input High Current
Output Low Current
AC Electrical Characteristices
0.9
1.2
100
0.8
-1.6
40
-30
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
Input Impedance at 2.048MHz
Clock Duty Cycle
35
Clock Rise & Fall Time
0.6
2.5
50
65
20
40
Vpp
Measured Between Pin 2 & 3
Alarm on Pull Data/Clock Output High
kΩ
Measured Between Pin 2 & 3
With Sinewave Input
%
Measured at Pin 8 at 2.0V DC Level
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 = OdB
period
Transmitter Section
Pulse Width at 2.048MHz
Output Rise Time
234
244
264
12
25
ns
Measured at Pin 13 & 15 Figure 3
ns
Figure 3
Output Fall Time
12
25
ns
Figure 3
Output Fall Imbalance
2.5
ns
At 50% Output Level
Rev. 2.01
3