SP3232EEA-L Datasheet, PDF (3/23 Pages) Exar Corporation – True +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,
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
RECEIVER INPUTS
Input Voltage Range
Input Threshold LOW
Input Threshold LOW
Input Threshold HIGH
Input Threshold HIGH
Input Hysteresis
Input Resistance
TIMING CHARACTERISTICS
Maximum Data Rate
300
Ω V_CC = V+ = V- = 0V, T_OUT=+2V
+35 +60
mA V_OUT = 0V
+25
µA V_CC = 0V or 3.0V to 5.5V,
V_OUT = +12V, Drivers disabled
-15
+15
V
0.6
1.2
V Vcc = 3.3V
0.8
1.5
V Vcc = 5.0V
1.5 2.4
V Vcc = 3.3V
1.8 2.4
V Vcc = 5.0V
0.3
V
3
5
7
kΩ
120
235
kbps R_L = 3kΩ, C_L = 1000pF, one
driver switching
Driver Propagation Delay, t_PHL
Driver Propagation Delay, t_PLH
Receiver Propagation Delay, t_PHL
Receiver Propagation Delay, t_PLH
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew
Receiver Skew
Transition-Region Slew Rate
1.0
µs R_L = 3kΩ, C_L = 1000pF
1.0
µs R_L = 3kΩ, C_L = 1000pF
0.3
µs Receiver input to Receiver
output, C_L = 150pF
0.3
µs Receiver input to Receiver
output, C_L = 150pF
200
ns
200
ns
100 500
ns
| t_PHL - t_PLH |, T_AMB = 25°C
200 1000
ns
| t_PHL - t_PLH |
30 V/µs Vcc = 3.3V, R_L = 3kΩ,
C_L = 1000pF, T_AMB = 25°C,
measurements taken from -3.0V
to +3.0V or +3.0V to -3.0V
NOTE 2: Driver input hysteresis is typically 250mV.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3222E/SP3232E_101_031413