SP3243EBCA Ver la hoja de datos (PDF) - Signal Processing Technologies
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SP3243EBCA Datasheet PDF : 25 Pages
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ELECTRICAL CHARACTERISTICS
Unless otherwise noted, the following specifications apply for VCC = +3.0V to +5.5V with TAMB = TMIN to TMAX,
C1 - 4 = 0.1µF. Typical values apply at VCC = +3.3V or +5.0V and TAMB = 25°C.
PARAMETER
MIN.
TYP. MAX. UNITS CONDITIONS
RECEIVER INPUTS
Input Voltage Range
-25
25
V
Input Threshold LOW
Input Threshold LOW
0.6
1.2
0.8
1.5
V
VCC = 3.3V
V
VCC = 5.0V
Input Threshold HIGH
1.5
2.4
V
VCC = 3.3V
Input Threshold HIGH
1.8
2.4
V
VCC = 5.0V
Input Hysteresis
0.3
V
Input Resistance
3
5
7
kΩ
AUTO ON-LINE® CIRCUITRY CHARACTERISTICS (ONLINE = GND, SHUTDOWN = VCC)
STATUS Output Voltage LOW
STATUS Output Voltage HIGH VCC - 0.6
Receiver Threshold to Drivers
Enabled (tONLINE)
200
0.4
V
V
µs
IOUT = 1.6mA
IOUT = -1.0mA
Figure 20
Receiver Positive or Negative
Threshold to STATUS HIGH
(tSTSH)
0.5
µs
Figure 20
Receiver Positive or Negative
Threshold to STATUS LOW
(tSTSL)
TIMING CHARACTERISTICS
20
µs
Figure 20
Maximum Data Rate
250
kbps
RL = 3KΩ, CL = 1000pF,
one driver active
Receiver Propagation Delay
tPHL
tPLH
0.15
µs
Receiver input to Receiver output,
0.15
CL = 150pF
Receiver Output Enable Time
200
ns
Normal operation
Receiver Output Disable Time
200
ns
Normal operation
Driver Skew
Receiver Skew
Transition-Region Slew Rate
100
ns
| tPHL - tPLH |, TAMB = 25°C
50
ns
| tPHL - tPLH |
30 V/µs VCC= 3.3V, RL = 3KΩ, TAMB = 25°C,
measurements taken from -3.0V to
+3.0V or +3.0V to -3.0V
Date: 6/2/04
SP3223EB/3243EB +3.0V to +5.5V RS-232 Transceivers
3
© Copyright 2004 Sipex Corporation
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