REV: A DATE:12/03/2003
+5V High-Speed RS232 Transceivers
2
Copyright 2000 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device
at these or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended periods of time
may affect reliability.
V
CC
............................................................................................ +6V
V
+
................................................................. (V
– 0.3V) to +13.2V
V
–
........................................................................................... 13.2V
Input Voltages
T
IN
................................................................... –0.3V to (V
+0.3V)
R
...........................................................................................
±
20V
Output Voltages
T
OUT
.......................................................... (V
+
, +0.3V) to (V
–
, –0.3V)
R
................................................................. –0.3V to (V
+0.3V)
Short Circuit Duration on T
OUT
....................................... Continuous
Power Dissipation
Plastic DIP .......................................................................... 375mW
(derate 7mW/
C above +70
C)
Small Outline ...................................................................... 375mW
(derate 7mW/
°
C above +70
°
C)
SPECIFICATIONS
V
CC
at nominal ratings; 0.1
μ
F charge pump capacitors; T
MIN
to T
MAX
, unless otherwise noted.
PARAMETER
TTL INPUTS
Logic Threshold
V
IL
V
Logic Pullup Current
Maximum Data Rate
TTL OUTPUTS
Compatibility
V
OL
V
Leakage Current
MIN.
TYP.
MAX.
UNIT
CONDITIONS
T
IN
, EN, SD
0.8
Volts
Volts
μ
A
kbps
2.0
15
200
T
IN
= 0V
C
L
= 2,500pF, R
L
= 3k
120
TTL/CMOS
0.4
Volts
Volts
μ
A
I
OUT
= 3.2mA; V
CC
= +5V
I
= –1.0mA
EN = V
CC
; 0V
≤
V
OUT
≤
V
CC
;
T
A
= +25
°
C
3.5
0.05
±
10
RS-232 OUTPUT
Output Voltage Swing
±
5
±
7
Volts
All transmitter outputs loaded
with 3k
to ground
V
= 0V; V
=
±
2V
Infinite duration
Output Resistance
Output Short Circuit Current
RS-232 INPUT
Voltage Range
Voltage Threshold
LOW
HIGH
Hysteresis
Resistance
DYNAMIC CHARACTERISTICS
Propagation Delay
Instantaneous Slew Rate
300
Ohms
mA
±
25
–15
+15
Volts
0.8
1.2
1.7
0.5
5
Volts
Volts
Volts
k
V
CC
= 5V, T
A
= +25
°
C
V
CC
= 5V, T
A
= +25
°
C
V
= +5V
±
15V; T
A
= +25
°
C
2.4
1.0
7
0.2
3
1.5
μ
s
RS-232–to–TTL
C
L
= 50pF, R
L
= 3–7k
;
T
A
= +25
°
C
C
= 2,500pF, R
= 3k
;
measured from +3V to –3V
or –3V to +3V
30
V/
μ
s
Transition Region Slew Rate
5
V/
μ
s
Output Enable Time
Output Disable Time
400
250
ns
ns