3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP490,49_0_0627
T
MINtoTMAXandVCC=5V±5%unlessotherwisenoted.
PARAMETERS
MIN.
TYP.
MAX. UNITS CONDITIONS
SP490RECEIVER
ACCharacteristics
Maximum Data Rate
5
Mbps
Receiver Input to Output
45
50
ns
t
PLH; RDIFF = 54,
C
L = CL2 = 00pF; Figures 3 & 8
Receiver Input to Output
45
50
ns
t
PHL; RDIFF = 54,
C
L = CL2
=
00pF; Figures 3 & 8
Diff. Receiver Skew It
PLH-tPHLI
3
ns
R
DIFF = 54; CL = CL2 = 00pF;
Figures 3 & 8
POWERREQUIREMENTS
Supply Voltage
+4.75
+5.25 Volts
Supply Current
900
A
ENVIRONMENTALAND
MECHANICAL
Operating Temperature
Commercial (C_)
0
+70
°C
Industrial (E_)
-40
+85
°C
Storage Temperature
-65
+50 °C
Package
Plastic DIP (_S)
NSOIC (_N)
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load #2 Circuit
Figure . Driver DC Test Load Circuit
Figure 2. Receiver Timing Test Load Circuit
ELECTRICALCHARACTERISTICS