SPECIFICATIONS (continued)
Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX , C1 to
C4=0.1µF. Typical Values apply at VCC = +3.3V or +5.5V and TAMB = 25oC.
PARAMETER
MIN. TYP. MAX. UNITS CONDITIONS
RECEIVER INPUTS
Input Voltage Range
Input Threshold LOW
-25
+25
V
V
0.6
0.8
1.2
1.5
V
V
CC=3.3V
CC=5.0V
Input Threshold HIGH
1.5
1.8
2.4
2.4
V
VCC=3.3V
CC=5.0V
V
Input Hysteresis
0.3
5
V
Input Resistance
3
7
kΩ
TIMING CHARACTERISTICS
Maximum Data Rate
Receiver Propagation Delay
250
kbps
RL=3kΩ, CL=1000pF, one driver switching
µs
0.15
0.15
t
PHL, RxIN to RxOUT, CL=150pF
tPLH, RxIN to RxOUT, CL=150pF
Receiver Output Enable Time
Receiver Output Disable Time
Driver Skew
200
200
100
50
ns
ns
ns
| tPHL - tPLH |, TAMB = 25oC
Receiver Skew
ns
| tPHL - tPLH
|
Transition-Region Slew Rate
30
V/µs
V
CC = 3.3V, RL = 3KΩ, TAMB = 25oC,
measurements taken from -3.0V to +3.0V
or +3.0V to -3.0V
Rev. A Date:12/11/03
SP3222EB/3232EB True +3.0 to +5.5V RS-232 Transceivers
© Copyright 2003 Sipex Corporation
3
SIPEX [ SIPEX CORPORATION ]
