SP3244E Datasheet, PDF (5/22 Pages) Sipex Corporation – 3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus

TIMING CHARACTERISTICS
Unless otherwise noted VCC = +3.0V to +5.5V, TAMB = TMIN to TMAX, C1–C4 = 0.1µF. Typical values are
at TAMB = +25°C, VCC = 3.3V.
PARAMETERS
SP3244E
Maximum Data Rate
Driver Propagation Delay
Transition-Region Slew Rate
Driver Skew
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Receiver Skew
SP3245E
Maximum Data Rate
Driver Propagation Delay
Transition-Region Slew Rate
Driver Skew
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Receiver Skew
SYMBOL
TEST CONDITIONS
MIN.
RL = 3kΩ, CL = 1000pF. One
transmitter switching.
250
tDPHL, tDPLH CL=1000pF
RL=3kΩ to 7kΩ, CL=150pF to
1000pF, measurements taken
from +3V to -3V or from -3V to
4
+3V.
|tDPHL - tDPLH| at zero crossing
tRPHL,tRPLH
tRZH , tRZL
tRZH , tRLZ
RIN to ROUT, CL = 150pF
|tPHL - tPLH| at 1.5V
tDPHL, tDPLH
tRPHL,tRPLH
tRZH , tRZL
tRZH , tRLZ
RL = 3kΩ, CL = 250pF. One
transmitter switching.
RL = 3kΩ, CL = 1000pF. One
transmitter switching.
CL=250pF
RL=3kΩ to 7kΩ, CL=150pF to
250pF, measurements taken from
+3V to -3V or from -3V to +3V.
|tDHPL - tDPLH| at zero crossing
RIN to ROUT, CL = 150pF
|tPHL - tPLH| at 1.5V
1000
500
24
TYP.
1600
50
0.15
0.04
0.1
40
700
100
0.15
0.05
0.1
90
MAX. UNIT
kbps
ns
30
V/µs
ns
µs
2.0
µs
2.0
µs
ns
kbps
kbps
ns
150
V/µs
ns
µs
2.0
µs
2.0
µs
ns
Rev M 10/9/06
SP3244E-SP3245E, 3.0V to 5.5V RS-232 Transceivers with Auto On-Line^® Plus
5
© Copyright 2006 Sipex Corporation