SP232
Interface transceiver of RS-232 standard with one supply
voltage
IC SP232 is purposed for application in high- performance information processing systems and
control devices of wide application.
Input voltage levels are compatible with standard СMOS levels.
• Output voltage levels are compatible with input
levels of C-MOS, N-MOS and TTL integrated
circuits.
• Supply voltage range from 2.0 to 6.0 V.
• Low input current: 1.0 mkA; 0.1 mkA at Т = 25 °С.
• Output current 24 mA.
• Latching current not less than 450 mA at Т = 25°С
• Tolerable value of static potential not less than
2000V
IC marking in package
SP232N Plastic DIP
SP232D SOIC
ТА= from -40 to 85 оС
For all packages
Truth table
Inputs
Outputs
RIN, TIN
ROVT, TOVT
H
L
L
H
Pin symbols in package
Note H – voltage high level;
L – low voltage level
C1+ 01
16
VCC
V+ 02
15
GND
C1- 03
14
T1OUT
C2+ 04
13
R1IN
12
R1OUT
V- 06
11
T1IN
T2OUT 07
10
T2IN
R2IN 08
09
R2OUT
C2- 05
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SP 232
2018 AUG
SP232
Table of pin description
Pin No.
01
Symbol
C1+
Pin name
Output of external capacitance of positive voltage multiplier unit
02
V+
Output of positive voltage of multiplier unit
03
C1-
Output of external capacitance of positive voltage multiplier unit
04
C2+
Output of external capacitance of negative voltage multiplier unit
05
C2-
Output of external capacitance of negative voltage multiplier unit
06
V-
Output of negative voltage of multiplier unit
07
T2OUT
Output of transmitter data (levels RS – 232)
08
R2IN
09
R2OUT
Output of receiver data (levels TTL/KMOS)
10
T2IN
Input of transmitter data (levels TTL/KMOS)
11
T1IN
Input of transmitter data (levels TTL/KMOS)
12
R1OUT
Output of receiver data (levels TTL/KMOS)
13
R1IN
14
T1OUT
Output of transmitter data (levels RS – 232)
15
GND
Common output
16
VCC
Input of receiver data (levels RS – 232)
Input of receiver data (levels RS – 232)
Supply output of voltage source
Maximum conditions
Symbol
Parameter
Rate
Unit
min
max
-0.3
6.0
VCC
Supply voltage
V+
Transmitter high output voltage
VCC -0.3
14
V-
Transmitter low output voltage
-0.3
-14
VTIN
Transmitter input voltage
-0.3
V+ +0.3
VRIN
Receiver input voltage
-30
30
PD
Dissipated power
-
mW
DIP – package
842
SO - package
762
Continuously
150
ISC
Output current of transmitter short circuit
Та
Ambient temperature
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-60
2
V
mA
О
С
2018 AUG
SP232
Absolute maximum conditions
Symbol
Parameter
Rate
Unit
min
max
VCC
Supply voltage
4.5
5.5
V+
Transmitter output high voltage
5.0
-
V-
Transmitter output low voltage
-5.0
-
0
VСС
VTIN
Transmitter input voltage
VRIN
Receiver input voltage
-30
30
Transmitter short circuit output current
-40
±60
ISC
Та
Ambient temperature
5V
0.1 µ F
1
0.1 µ F
0.1 µ F
+
+
3
4
5
mA
О
С
+
+
0.1 µ F
16
C1+
V+
2
C1-
V-
C2+
6
C2-
+
0.1 µ F
14
11
TTL/CMOS
Intput
10
RS-232
7 Output
13
12
TTL/CMOS
Output
85
V
5к
9
8
RS-232
Input
5к
15
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2018 AUG
SP232
Symbol
ICC
Parameter
Test conditions
Consumption
current static
Unit
Rate
25°C
от -40 °C до 85 °C
min
max
min
max
∗
10.0
14.0
VCC =5.5 V
VIL = 0 V
mA
Receiver electrical parameters
Vh
Hysteresis voltage
VCC =5.0 V
VO ≤ 0.1 V
IOL ≤ 20 mkA
0.2
0.9
0.2
1.0
-
2.4
-
2.3
0.8
-
0.9
-
-
0.3
-
0.4
VOn
On (operation)
voltage
Voff
Off (dropout) voltage VO ≥ VCC -0.1 V
IOH ≤ -20 mkA
VOL
Output low voltage
VOH
Output high voltage IOH = -1.0 мА
VСС = 4.5 V
VIL = 0.8 V
3.6
-
3.5
-
Input resistance
3.0
7.0
3.0
7.0
RI
IOL = 3.2 мА
VСС = 4.5 V
VIH = 2.4 V
VСС = 5.0 V
V
kOhm
Transmitter electrical parameters
VOL
Output low voltage
VСС = 4.5 V
VIH = 2.0 V
RL = 3.0 kOhm
VOH
Output high voltage VСС = 4.5 V
VIL = 0.8 V
RL = 3.0 kOhm
-
-5.2
-
-5.0
5.2
-
5.0
-
-
-1.0
-
-10.0
V
IIL
Input low current
VСС =5.5 V
VIL = 0 V
IIH
Input high current
VСС =5.5 V
VIH = VСС
SR
Speed of output
front change
VСС =5.0 V
СL =50 - 1000 pF
RL = 3.0 - 7.0 kOhm
3.0
30
2.7
27
V/mks
RО
Output resistance
VСС = V+ = V- = 0 V
VO = ± 2 V
350
-
300
-
Ohm
ISC
Short circuit output
current
VСС =5.5 V
VO = 0 V
VI = VСС
VI = 0 V
ST
1.0
10.0
mA
-50
50
Speed of information VСС =4.5 V
transmission
СL = 1000 pF
RL = 3.0 kOhm
tW = 7mks (for
extreme -tW =
8mks)
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mkA
140
4
-
-60
60
120
-
kbit/с
2018 AUG
SP232
Symbol
Parameter
Test conditions
25 °C
tPHLR
Signal propagation delay
VСС = 4.5 V
time when switching on (off) СL = 150 pF
VIL = 0 V
VIH = 3.0 V
tLH = tHL ≤ 10 ns
Signal propagation delay
VСС = 4.5 V
time when switching on (off) СL = 2500 pF
VIL = 0 V
VIH = 3.0 V
RL = 3 kOhm
tLH = tHL ≤ 10 ns
(tPLHR)
tPHLT
(tPLHT)
Unit
Rate
min
max
-
9.7
5.0
∗
from -40 °C
to 85 °C
min max
-
10
6.0
mks
∗
Capacitance
Symbol
Parameter
VCC,
Unit
Rate
V
CIN
Input capacitance
CPD
Dynamic
capacitance
5.0
9.0
pF
90
Timing diagram when measuring IC dynamic parameters
+3 V
Rin
1.5 V
1.5 V
0V
VOH
0.5Vcc
0.5Vcc
Rout
VOL
t PHLR
t PLHR
Figure 3
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2018 AUG
SP232
+3 V
Tin
1.5 V
1.5 V
0V
VOH
1.5 V
1.5 V
Tout
VOL
t PHLT
tPLHT
Figure 4
Tin
t SLH
t SHL
+3 V
+3 V
Tout
-3 V
-3 V
Figure 5
tW
tW
tW
tW
TIN
TOUT
Control
strobe
Figure 6
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2018 AUG
SP232
Important statement:
Huaguan Semiconductor Co,Ltd. reserves the right to change
the products and services provided without notice. Customers
should obtain the latest relevant information before ordering,
and verify the timeliness and accuracy of this information.
Customers are responsible for complying with safety
standards and taking safety measures when using our
products for system design and machine manufacturing to
avoid potential risks that may result in personal injury or
property damage.
Our products are not licensed for applications in life support,
military, aerospace, etc., so we do not bear the consequences
of the application of these products in these fields.
Our documentation is only permitted to be copied without
any tampering with the content, so we do not accept any
responsibility or liability for the altered documents.
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7
2018 AUG
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