SP3243EUEA-L-TR Datasheet, PDF (3/25 Pages) Exar Corporation – 3 Driver/5 Receiver Intelligent +3.0V to +5.5V RS-232 Transceivers

ELECTRICAL CHARACTERISTICS
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
MIN. TYP. MAX. UNITS CONDITIONS
DRIVER OUTPUTS (continued)
Output Resistance
Output Short-Circuit Current
Output Leakage Current
300
Ω V_CC = V+ = V- = 0V, V_OUT=+2V
+35 +60
mA V_OUT = 0V
+25
µA V_CC = 0V or 3.0V to 5.5V, V_OUT =
+12V, Drivers disabled
RECEIVER INPUTS
Input Voltage Range
-15
15
V
Input Threshold LOW
0.6
1.2
V Vcc = 3.3V
Input Threshold LOW
0.8
1.5
V Vcc = 5.0V
Input Threshold HIGH
1.5 2.4
V Vcc = 3.3V
Input Threshold HIGH
1.8 2.4
V Vcc = 5.0V
Input Hysteresis
0.3
V
Input Resistance
3
5
7
kΩ
AUTO ON-LINE® CIRCUITRY CHARACTERISTICS (ONLINE = GND, SHUTDOWN = VCC) 25°C
STATUS Output Voltage LOW
STATUS Output Voltage HIGH
V_CC -0.6
0.4
V
I_OUT = 1.6mA
V
I_OUT = -1.0mA
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)
(-)
350
0.2
30
1000
460
250
120
µs Figure 14
µs Figure 14
µs Figure 14
Kbps
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)
(EH, EU)
Receiver Skew
0.15
0.15
200
200
100 500
50 100
50
µs Receiver input to Receiver out-
put, C_L = 150pF
ns Normal operation
ns Normal operation
ns
| t_PHL - t_PLH |
ns
| t_PHL - t_PLH |
Transition-Region Slew Rate
(EH, EU)
(E, EB)
6
Vcc = 3.3V, R_L = 3kΩ, T_AMB =
90
V/µs 25°C, measurements taken from
30
-3.0V to +3.0V or +3.0V to -3.0V
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3243E_102_060611