XRT5894 Datasheet, PDF (6/19 Pages) Exar Corporation – Four-Channel E1 Line Interface (3.3V or 5.0V)

XRT5894
ELECTRICAL CHARACTERISTICS
Test Conditions: V_CC = 3.3V or 5.0V + 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
Inputs
Voltage Supply
Voltage Supply
3.135
3.3
3.465
4.75
5.0
5.25
V
3.3V Operation
V
5V Operation
V_IH
V_IL
Outputs
Input High Level
Input Low Level
2.0
5.0
V
0.8
V
V_OH
Output High Level
V_OL
Output Low Level
Receiver Specifications
2.4
V
I_OH = -4mA
0.4
V
I_OL = 4mA
RX_CL
Allowable Cable Loss
0
10
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
Receiver Slicing Threshold
-15
-12
45
50
55
dB With 6dB cable loss
% % 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
32
dB Relative to 0dB = 2.37Vp
Measured from RTIP or RRING to
ground.
RX_LOSCLR LOS Must Be Cleared If RX Sig.
9
12
Atten. < 9dB
dB Relative to 0dB = 2.37Vp
measured from RTIP or RRING to
ground.
RX_LOSHYST Hysteresis on Input Data
1
RX_IN
Input Impedance
5
dB For LOS output state change
kW Up to 3.072MHz (Measured from
RTIP or RRING to ground).
Power Specifications V_CC = 3.3V
P_D
Power Dissipation
P_D
Power Dissipation
P_C
Power Consumption 75W
P_C
Power Consumption 75W
460
590
mW All 1’s Transmit and Receive 75W
117
155
mW All Drivers Power Down
770
900
mW All 1’s Transmit and Receive
555
675
mW 50% data density, Transmit and Re-
ceive
P_C
Power Consumption 120W
P_C
Power Consumption 120W
Power Specifications V_CC = 5.0V
635
780
mW All 1’s Transmit and Receive
475
605
mW 50% data density, Transmit and Re-
ceive
P_D
Power Dissipation
945
1240
mW All 1’s Transmit and Receive 75W
P_D
Power Dissipation
235
290
mW All Drivers Power Down
P_C
Power Consumption 75W
1250 1555
mW All 1’s Transmit and Receive
Note:
Bold face parameters are covered by production test and guaranteed over operating temperature range.
Rev. 1.10
6