STC International Limited
http://www.mcu-memory.com
STC232E Datasheet Rev.0.1, Dec.2005
２
Page
of
6
Absolute Maximum Ratings
Electrical Characteristics
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
VCC… … … … … … … … … … … … … … … … … … … … … … -0.3V to +6V
V+ … … … … … … … … … … … … … … … … … … … (VCC - 0.3V) to +14V
V- … … … … … … … … … … … … … … … … … … … … … … -14V to +0.3V
Input Voltages
T_IN… … … … … … … … … … … … … … … … … -0.3V to (V+ + 0.3V)
R_IN… … … … … … … … … … … … … … … … … … … … … … … ±30V
Output Voltages
T_OUT… … … … … … … … … … … … … (V- - 0.3V) to (V+ + 0.3V)
R_OUT… … … … … … … … … … … … … … … -0.3V to (VCC + 0.3V)
Short-Circuit Duration, T_OUT… … … … … … … … … … … … Continuous
Continuous Power Dissipation (TA = +70°C)
16-Pin Plastic DIP (derate 10.53mW/°C above +70°C) … … 842mW
16-Pin Narrow SO (derate 8.70mW/°C above +70°C) … … 696mW
Operating Temperature Ranges
STC232E… … … … … … … … … … … … … … … … … -40°C to +85°C
Storage Temperature Range… … … … … … … … … -65°C to +165°C
Lead Temperature (soldering, 10sec) … … … … … … … … … +300°C
(VCC = +5V ±10% for STC232E; C1～C4 = 0.1µF; TA = TMIN to TMAX; unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
VCC Supply Current
ICC
No load, TA = +25°C
STC232E
6
8
mA
LOGIC
Input Leakage Current
T_IN = 0V to VCC
±10
µA
Input Threshold Low
VIL
T_IN
0.8
V
Input Threshold High
VIH
T_IN
2.0
V
Output Voltage Low
VOL
R_OUT; IOUT = 3.2mA
0.4
V
Output Voltage High
VOH
R_OUT; IOUT = -1.0mA
3.5
V CC-0.4
V
Output Leakage Current
0V = ROUT = VCC
±0.05
±10
µA
EIA/TIA-232E RECEIVER INPUTS
Input Voltage Range
-30
30
V
Input Threshold Low
TA = +25°C, VCC = 5V
Normal
operation
0.8
1.2
V
Input Threshold High
TA = +25°C, VCC = 5V
Normal
operation
1.7
2.4
V
Input Hysteresis
VCC = 5V
0.2
0.5
1.0
V
Input Resistance
TA = +25°C, VCC = 5V
3
5
7
k?
EIA/TIA-232E TRANSMITTER OUTPUTS
Output Voltage Swing
All drivers loaded with 3k? to ground
(Note 1)
±5
±9
V
Output Resistance
VCC = V+ = V- = 0V, VOUT = ±2V
300
?
Output Short-Circuit Current
±10
±60
mA
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3k? to 7k? , CL = 50pF to 1000pF,
one transmitter switching
120
kbps
Receiver Propagation Delay
tPLHR, tPHLR
CL = 150pF
All parts, normal
operation
0.5
10
µs
Transmitter Propagation Delay
tPLHT, tPHLT
RL = 3k? , CL = 2500pF,
all transmitters loaded
2
µs
Transition-Region Slew Rate
TA = +25°C, VCC = 5V, RL = 3k? to 7k? ,
CL = 50pF to 1000pF, measured from
-3V to +3V or +3V to -3V, Figure 1
3
6
30
V/µs
ESD PERFORMANCE:
TRANSMITTER OUTPUTS, RECEIVER INPUTS
Human Body Model
±15
IEC1000-4-2, Contact Discharge
±8
ESD-Protection Voltage
IEC1000-4-2, Air-Gap Discharge
±15
kV
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