SP3243E EXAR [Exar Corporation], SP3243E Datasheet - Page 3

• Manufacturer Part Number: SP3243E
• Description: 3 Driver/5 Receiver Intelligent +3.0V to +5.5V RS-232 Transceivers
• Manufacturer: EXAR [Exar Corporation]

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