XRT82D20_06 Datasheet, PDF (9/27 Pages) Exar Corporation – SINGLE CHANNEL E1 LINE INTERFACE UNIT

XRT82D20
REV. 1.0.8
SINGLE CHANNEL E1 LINE INTERFACE UNIT
TABLE 3: 3.3V POWER CONSUMPTION INCLUDING LINE POWER DISSIPATION, TRANSMISSION AND RECEIVE PATHS
ALL ACTIVE
TA = -40° to 85°C, VDD = 3.3V± 5% Unless otherwise specified
SYMBO
L
PARAMETER
PC Power Consumption
MIN.
-
TYP.
125
MAX
160
UNIT
CONDITIONS
mW 120Ω load, operating at 100% Mark Den-
sity
TABLE 4: 5V POWER CONSUMPTION INCLUDING LINE POWER DISSIPATION, TRANSMISSION AND RECEIVE PATHS ALL
ACTIVE
(TA = -40° to 85°C, VDD = 5V ± 5% Unless otherwise specified)
SYMBO
L
PARAMETER
MIN.
TYP.
MAX
UNIT
CONDITIONS
PC Power Consumption
-
160
210
mW 75Ω load, operating at 50% Mark Density
PC Power Consumption
-
145
195
mW 120Ω load, operating at 50% Mark Density
PC Power Consumption
-
200
260
mW 75Ω load, operating at 100% Mark Density
PC Power Consumption
-
180
240
mW 120Ω load, operating at 100% Mark Den-
sity
TABLE 5: AC ELECTRICAL CHARACTERISTICS
TA = -40 to +85 °C, VDD = 3.3V± 5% or 5V ± 5% Unless otherwise specified
PARAMETER
SYMBOL
MIN.
TYP
Clock Frequency
MClk
-50 ppm 2.048
Clock Duty Cycle
MClk
40
50
Clock Period
TClk
-
244
TClk Duty Cycle
TCDU
30
50
Transmit Data Setup Time
Transmit Data Hold Time
t_TSU
40
-
tTHO
40
-
TClk Rise Time (10% /90%)
tr
-
-
TClk Fall Time (90% / 10%)
tf
-
-
RClk Duty Cycle
RCDU
45
50
Receive Data Setup Time
Receive Data Hold Time
RClk to Data Delay
RClk Rise Time (10%/90%)
RClk Fall Time (90%/10%)
t_RSU
150
244
t_RHO
150
244
t_RCD
-
-
t_r
-
-
t_f
-
-
MAX
UNITS
+50ppm MHz
60
%
-
ns
70
%
-
ns
-
ns
40
ns
40
ns
55
%
-
ns
-
ns
40
ns
40
ns
40
ns
8