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4
Exar Coporation 48720 Kato Road, Fremont CA, 94538 (50) 668-7000 Fax (50) 668-707 www.exar.com
SP505_00_08308
ELECTRICAL CHARACTERISTICS
T
A = +25°C and VCC = +4.75V to +5.25V unless otherwise noted.
PARAMETER
MIN
TYP
MAX
UNITS CONDITIONS
V.11 RECEIVER INPUT DC PARAMETERS
Common Mode Range
-7
+7
Volts
Sensitivity
+/-0.3
Volts
Input Current
-3.25
+3.25
mA
Per Figures 20 and 22
Current w/ 100 Termination
+/-60.75
mA
Per Figures 23 and 24
Input Impedance
4
k
V.11 RECEIVER INPUT AC PARAMETERS (Vcc = +5V for AC Parameters)
Propagation Delay t
PHL
80
0
30
ns
Per Figures 33 and 38; C
L = 50pF
Propagation Delay t
PLH
80
0
30
ns
Per Figures 33 and 38; C
L = 50pF
Differential Skew
20
ns
Per Figures 33; C
L = 50pF
Max. Transmission Rate
SP505ACM-L
0
2
Mbps
Per Figure 33; C
L = 50pF,
f
IN = 5MHz
Max. Transmission Rate
SP505BCM-L
6.4
8
Mbps
Per Figure 33; C
L = 50pF,
f
IN = 8.2MHz
V.35 DRIVER OUTPUT DC PARAMETERS
Open Circuit Voltage
+/-.20
Volts
Per Figure 6
Test Terminated Voltage
+/-0.44
+/-0.66
Volts
Per Figure 25
Offset
+/-0.6
Volts
Per Figure 25
Source Impedance
50
Per Figure 27; Z
S = V2/V x 50
Short Circuit Impedance
35
65
Per Figure 28
V.35 DRIVER OUTPUT AC PARAMETERS (Vcc = +5V for AC Parameters)
Transition Time
30
40
ns
Per Figure 29; 0% to 90%
Propagation Delay t
PHL
50
90
0
ns
Per Figures 33 and 36; C
L = 20pF
Propagation Delay t
PLH
50
90
0
ns
Per Figures 33 and 36; C
L = 20pF
Differential Skew
20
30
ns
Per Figure 33; C
L = 20pF
Max. Transmission Rate
SP505ACM-L
0
2
Mbps
Per Figure 33; C
L = 20pF,
f
IN = 5MHz
Max. Transmission Rate
SP505BCM-L
6.4
8
Mbps
Per Figure 33; C
L = 20pF,
f
IN = 8.2MHz
V.35 RECEIVER INPUT DC PARAMETERS
Sensitivity
+/-80
mV
Source Impedance
90
0
Per Figure 30; Z
S = V2/V x 50
Short Circuit Impedance
35
65
Per Figure 3
V.35 RECEIVER INPUT AC PARAMETERS (Vcc = +5V for AC Parameters)
Propagation Delay t
PHL
80
0
30
ns
Per Figures 33 and 38; C
L = 20pF
Propagation Delay t
PLH
80
0
30
ns
Per Figures 33 and 38; CL = 20pF
Differential Skew
20
ns
Per Figures 33; C
L = 20pF
Max. Transmission Rate
SP505ACM-L
0
2
Mbps
Per Figure 33; C
L = 20pF,
f
IN = 5MHz
Max. Transmission Rate
SP505BCM-L
6.4
8
Mbps
Per Figure 33; C
L = 20pF,
f
IN = 8.2MHz