STC3232E Datasheet, PDF (3/7 Pages) List of Unclassifed Manufacturers – High ESD-Protected, Low Power, 3.3V to 5.5V, True RS-232 Transceivers

STC International Limited
http://www.mcu-memory.com
Electrical Characteristics
(V_CC = +3V to +5.5V, C1-C4 = 0.1µF, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are at T_A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
DC CHARACTERISTICS (V_CC = +3.3V OR +5.5V, T_A = +25°C )
V_CC Supply Current
I_CC
/SHDN = V_CC , No Load, T_A = +25°C
Shutdown Supply Current
ISHDN
/SHDN = GND, No Load, TA = +25°C
LOGIC
Input Leakage Current
T_IN, /SHDN, /EN
MIN
TYP
MAX UNITS
0.3
1 mA
1
10 µA
±1 µA
Input Threshold Low
VIL
T_IN, /SHDN, /EN
0.8 V
Input Threshold High
Output Voltage Low
VIH
VOH
T_IN, /SHDN, /EN
2.0
R_OUT; IOUT = 3.2mA
V
0.4 V
Output Voltage High
VOL
R_OUT; IOUT = -1.0mA
VCC-0.6
VCC -0.1
V
EIA/TIA-232E RECEIVER INPUTS
Input Voltage Range
-25
25
V
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
EIA/TIA-232E TRANSMITTER OUTPUTS
Output Voltage Swing
T_A = +25°C, V_CC = 3.3V
0.6
T_A = +25°C, V_CC = 3.3V
VCC = 3.3V
0.1
TA = +25°C, VCC = 3.3V
3
All drivers loaded with 3kO to ground
±5
1.1
V
1.5
2. 4 V
0.2
V
5
7
kO
±5.4
V
Output Resistance
300
500
O
Output Short Circuit Current
±60 mA
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3 kO to 7 kO, CL = 50pF to 1000pF, 250
kbps
one transmitter switching
Receiver Propagation Delay
Transmitter Propagation Delay
tPLHR, tPHLR
tPLHT, tPHLT
CL= 150pF
RL = 3 kO, CL = 2500pF,
all transmitters loaded
0.15
µs
0.1
µs
Transition-Region Slew rate
T_A = +25°C, V_CC = 3.3V RL = 3 kO to 7 kO, 3
CL = 50pF to 1000pF,
measured from -3V to +3V or +3V to -3V,
6
30 V/µs
ESD & LATCH UP PERFORMANCE
ESD Protection Voltage
Human Body Model
±15
kV
IEC1000-4-2, Contact Discharge
±8
kV
IEC1000-4-2, Air-Gap Discharge
±15
kV
Latch up Performance
±200
mA
STC3232E Datasheet Rev.0.1, Dec.2005
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