
4
ExarCorporation48720KatoRoad,FremontCA,9453850-668-707www.exar.comSP509_00_06080
T
A=+25°CandVCC=+4.75Vto+5.25Vunlessotherwisenoted.
PARAMETER
MIN.
TYP.
MAX. UNITS
CONDITIONS
V.11 RECEIVER (cont)
DC Parameters (cont.)
InputCurrent
–3.25
±3.25
mAperFigure20and22;
poweronoroff
Current w/ 100 Termination
±60.75
mA
per Figure 23 and 24
InputImpedance
4
k
AC Parameters
V
CC = +5V for AC parameters
PropagationDelay
UsingC
L=50pF;
t
PHL
30
50
nsperFigures33and38
t
PLH
30
50
nsperFigures33and38
Skew(|t
PHL-tPLH|)
2
5
nsperFigure33
Max.TransmissionRate
40
Mbps
ChanneltoChannelSkew
2
ns
V.35 DRIVER
DC Parameters
TestTerminatedVoltage
±0.44
±0.66
VoltsperFigure25
Offset
±0.6
VoltsperFigure25
OutputOvershoot
-0.2V
ST
+0.2V
ST
VoltsperFigure25;V
ST=Steadystatevalue
Source Impedance
50
150
per Figure 27; Z
S=V2/Vx50
Short-Circuit Impedance
135
165
per Figure 28
AC Parameters
V
CC = +5V for AC parameters
TransitionTime
7
20
nsperFigure29;0%to90%
PropagationDelay
t
PHL
30
50
nsperFigure33and36;C
L=20pF
t
PLH
30
50
nsperFigure33and36;C
L=20pF
DifferentialSkew
2
5
nsperFigure33and36;C
L=20pF
(|t
PHL-tPLH|)
Max.TransmissionRate
40
Mbps
ChanneltoChannelSkew
5
ns
V.35 RECEIVER
DC Parameters
Sensitivity
±50
+200
mV
Source Impedance
90
110
per Figure 30; Z
S=V2/V x 50
Short-Circuit Impedance
135
165
per Figure 31
AC Parameters
V
CC = +5V for AC parameters
PropagationDelay
t
PHL
30
50
nsperFigure33and38;C
L=20pF
t
PLH
30
50
nsperFigure33and38;C
L=20pF
Skew(|t
PHL-tPLH|)
2
5
nsperFigure33;C
L=20pF
Max.TransmissionRate
40
Mbps
ChanneltoChannelSkew
2
ns
TRANSCEIVER LEAkAgE CURRENT
DriverOutput3-StateCurrent
500
AperFigure32;Driversdisabled
RcvrOutput3-StateCurrent
0
AT
X&RXdisabled,0.4V-VO-2.4V
POWER REQUIREMENTS
V
CC
4.75
5.00
5.25
Volts
I
CC (ShutdownMode)
AAllI
CCvaluesarewithVCC=+5V
(V.28/RS-232)
95
mAf
IN=20kbps;Driversactive&loaded
(V./RS-422)
230
mAf
IN=0Mbps;Driversactive&loaded
(EIA-530&RS-449)
270
mAf
IN=0Mbps;Driversactive&loade
(V.35)
70
mAV.35@f
IN=0Mbps,V.28@20kbps
(EIA-530A)
200
mAf
IN=0Mbps;Driversactive&loaded
ELECTRICALSPECIFICATIONS