Unless otherwise noted, the following specifications apply for V
CC
= +3.0V to +5.5V with T
AMB
= T
MIN
to T
MAX
,
C1 - C4 = 0.1µF.
Typical values apply at V
CC
= +3.3V or +5.0V and T
AMB
= 25°C.
PARAMETER
DRIVER OUTPUTS (continued)
Output Resistance
Output Short-Circuit Current
Output Leakage Current
RECEIVER INPUTS
Input Voltage Range
Input Threshold LOW
Input Threshold LOW
Input Threshold HIGH
Input Threshold HIGH
Input Hysteresis
Input Resistance
STATUS Output Voltage LOW
STATUS Output Voltage HIGH
Receiver Threshold to Drivers
Enabled (t
ONLINE
)
Receiver Positive or Negative
Threshold to STATUS HIGH (t
STSH
)
Receiver Positive or Negative
Threshold to STATUS LOW (t
STSL
)
TIMING CHARACTERISTICS
Maximum Data Rate (U)
(H)
(B)
(-)
1000
460
250
120
Kbps
V
CC
-0.6
350
0.2
30
3
-15
0.6
0.8
1.2
1.5
1.5
1.8
0.3
5
7
0.4
2.4
2.4
15
V
V
V
V
V
V
kΩ
V
V
µs
µs
µs
I
OUT
= 1.6mA
I
OUT
= -1.0mA
Figure 14
Figure 14
Figure 14
Vcc = 3.3V
Vcc = 5.0V
Vcc = 3.3V
Vcc = 5.0V
300
+35
+60
+25
Ω
mA
µA
MIN.
TYP.
MAX.
UNITS
CONDITIONS
ELECTRICAL CHARACTERISTICS
V
CC
= V+ = V- = 0V, V
OUT
=+2V
V
OUT
= 0V
V
CC
= 0V or 3.0V to 5.5V, V
OUT
=
+12V,
Drivers disabled
AUTO ON-LINE® CIRCUITRY CHARACTERISTICS (ONLINE = GND, SHUTDOWN = VCC) 25°C
R
L
= 3KΩ, C
L
= 250pF, one driver
active
R
L
= 3KΩ, C
L
= 1000pF, one
driver active
R
L
= 3KΩ, C
L
= 1000pF, one
driver active
R
L
= 3KΩ, C
L
= 1000pF, one
driver active
Receiver Propagation Delay
t
PHL
t
PLH
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew (E, EB)
(EU)
Receiver Skew
Transition-Region Slew Rate (U)
(EB)
0.15
0.15
200
200
100
50
50
90
500
100
µs
ns
ns
ns
ns
V/µs
Receiver input to Receiver out-
put, C
L
= 150pF
Normal operation
Normal operation
| t
PHL
- t
PLH
|
| t
PHL
- t
PLH
|
Vcc = 3.3V, R
L
= 3kΩ, T
AMB
=
25°C, measurements taken from
-3.0V to +3.0V or +3.0V to -3.0V
SP3243E_100_072309
6
30
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
3
EXAR [ EXAR CORPORATION ]
