SP3222E Datasheet, PDF (3/20 Pages) Sipex 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 +5.0V with T_AMB = T_MIN to T_MAX.
Typical Values apply at V_CC = +3.3V or +5.0V and T_AMB = 25^oC.
PARAMETER
RECEIVER INPUTS
MIN. TYP. MAX. UNITS CONDITIONS
Input Voltage Range
Input Threshold LOW
Input Threshold HIGH
Input Hysteresis
Input Resistance
-15
+15
0.6 1.2
0.8 1.5
1.5 2.4
1.8 2.4
0.3
3
5
7
V
V
V_CC=3.3V
V_CC=5.0V
V
V_CC=3.3V
V_CC=5.0V
V
kΩ
TIMING CHARACTERISTICS
Maximum Data Rate
120 235
Driver Propagation Delay
1.0
1.0
Receiver Propagation Delay
0.3
0.3
Receiver Output Enable Time
200
kbps
µs
µs
µs
ns
R_L=3kΩ, C_L=1000pF, one driver switching
t_PHL, R_L = 3KΩ, C_L = 1000pF
t_PLH, R_L = 3KΩ, C_L = 1000pF
t_PHL, RxIN to RxOUT, C_L=150pF
t_PLH, RxIN to RxOUT, C_L=150pF
Receiver Output Disable Time
Driver Skew
Receiver Skew
Transition-Region Slew Rate
200
100 500
200 1000
30
ns
ns
ns
V/µs
| t_PHL - t_PLH |, T_AMB = 25^oC
| t_PHL - t_PLH |
V_CC = 3.3V, R_L = 3KΩ, T_AMB = 25^oC,
measurements taken from -3.0V to +3.0V
or +3.0V to -3.0V
NOTE 2: Driver input hysteresis is typically 250mV.
Date: 02/24/05
SP3222E, SP3232E True +3.0 to +5.0V RS-232 Transceivers
3
© Copyright 2005 Sipex Corporation