SP3249EEY-L Datasheet, PDF (3/16 Pages) Exar Corporation – Intelligent 3.0V to 5.5V RS-232 Transceiver

ELECTRICAL CHARACTERISTICS
V_CC = +3.0V to +5.5V, C1 - C4 = 0.1µF (tested at 3.3V +/-5%), C1 - C4 = 0.22µF (tested at 3.3V +/-10%),
C1 = 0.047µF and C2 - C4 = 0.33µF (tested at 5.0V +/-10%), T_AMB = T_MIN to T_MAX, unless otherwise noted. Typical
values are at T_A = 25°C
PARAMETER
MIN. TYP. MAX. UNITS CONDITIONS
DRIVER OUTPUTS (continued)
Output Resistance
Output Short-Circuit 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
Receiver Propagation Delay
t_PHL
t_PLH
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew
Receiver Skew
Transition-Region Slew Rate
300
Ω V_CC = V+ = V- = 0V, V_OUT=+2V
+35 +60
mA V_OUT = GND
-25
25
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
0.5
V
3
5
7
kΩ
250
kbps R_L = 3KΩ, C_L = 1000pF, one
driver switching
0.15
0.15
200
200
100
50
30
µs
ns
ns
ns
ns
V/µs
Receiver input to Receiver
output, C_L = 150pF
Normal operation
Normal operation
| t_PHL - t_PLH |, T_AMB = 25°C
| 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
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3249E_100_013111