ST232A STMICROELECTRONICS [STMicroelectronics], ST232A Datasheet - Page 3

• Manufacturer Part Number: ST232A
• Description: VERY HIGHSPEED, ULTRA LOWPOWERCONSUMPTION 5V POWERED RS-232 DRIVERS AND RECEIVERS
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ELECTRICAL CHARACTERISTICS
(C
Typical Valus are referred to T
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C
Typical Valus are referred to T
Note 1: Measured from 3V to -3Vor from -3V to 3V.
Note 2: One trasmitter output is loaded with R
RECEIVER ELECTRICAL CHARACTERISTICS
(C
Typical Valus are referred to T
Note 1: RS-232 IN to TTL-CMOS OUT (from 50% to 50%)
Symb ol
Symb ol
Symb ol
I
V
V
R
SUPPLY
1
1
1
V
V
R
V
V
V
SR
V
I
V
RIHYS
TOUT
I
I
D
TOUT
t
SCR
t
ROL
ROH
TIL
SC
dT
RIN
RIH
dR
-C
-C
TIH
-C
RIN
RIL
TIL
R
T
4
4
4
= 0.1 F, V
= 0.1 F, V
= 0.1 F, V
V
Output Voltage Swing
Logic Pull-Up Current
Input Logic Threshold Low
Input Logic Threshold High
Transition Slew Rate
Data Rate
Transmitter Output Resistance
Transmitter Output Short Circuit
Current
Propagation Delay Time
Receiver Input Voltage Operating
Range
RS-232 Input Resistance
RS-232 Input Logic Threshold Low
RS-232 Input Logic Threshold High
RS-232 Input Hysteresis
TTL/CMOS Output Voltage Low
TTL/CMOS Output Voltage High
Receiver Output Short Circuit
Current
Propagation Delay Time
CC
Power Supply Current
CC
CC
CC
Parameter
Parameter
Parameter
= 5V
= 5V
= 5V
10% T
10%, T
10%, T
A
A
A
L
= 3K to7K , C
= 25
= 25
= 25
A
A
A
o
o
o
= -40 to 85
C)
C)
C)
= -40 to 85
= -40 to 85
L
No Load
All Transmitter outputs are
loaded with 3K
T
T
R
C
(Note 2)
V
V
one T
TTL-CMOS IN to RS-232 OUT
C
T
V
I
I
to GND
to V
C
= 50 to 1000pF
OUT
OUT
IN
A
CC
OUT
A
CC
L
L
L
L
= 50 to 2500 pF (Note 1)
= 150 pF (50% to 50%)
=150pF (Note 1)
= 25
= 25
= 3 to 7 K ,
= 0 V
CC
= V+ = V- = 0V
= 5 V
= 3.2mA (to V
= 1mA (to GND)
o
=
XOUT
o
o
Test Co nditions
Test Co nditions
Test Co nditions
C, unless otherwise specified.
C, unless otherwise specified.
C, unless otherwise specified.
o
o
C, V
C,
2 V
to GND
CC
= 5 V,
to GND
CC
)
Min.
Min.
Min.
200
300
0.8
-30
0.2
3.5
0.8
10
6
3
2
5
7
V
Value
Value
Value
T yp.
T yp.
T yp.
CC
10M
400
1.5
1.4
1.4
1.3
1.3
1.8
0.5
0.2
0.1
12
10
30
5
22
5
9
-0.2
Max.
Max.
Max.
3.5
2.4
0.4
0.5
40
30
30
4
2
7
1
ST232A
Kbits/s
Un it
Un it
Un it
V/ s
mA
mA
K
mA
mA
V
V
V
V
V
V
V
V
V
A
s
s
3/10