ST3243E ST Microelectronics, ST3243E Datasheet - Page 6

• Manufacturer Part Number: ST3243E
• Description: RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
• Manufacturer: ST Microelectronics

AUTO-POWERDOWN ELECTRICAL CHARACTERISTICS
(C
Typical values are referred to T
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C
Typical values are referred to T
RECEIVER ELECTRICAL CHARACTERISTICS
(C
Typical values are referred to T
ST3243E
Symbol
Symbol
Symbol
6/18
V
V
V
V
R
t
1
V
t
1
1
V
V
R
V
V
INVH
V
RIHYS
t
INVL
TOUT
I
RITD
RITE
WU
OUT
SC
IOH
I
RIN
RIH
IOL
RIN
RIL
- C
- C
OT
- C
L
4
4
4
= 0.1 F, V
= 0.1 F, V
= 0.1 F, V
Receiver Input Threshold to
INVALID Output Voltage
HIGH (Fig. 1)
Receiver Input Threshold to
INVALID Output Voltage
LOW (Fig. 1)
INVALID Output Voltage
LOW
INVALID Output Voltage
HIGH
Receiver or Transmitter
Edge Transmitter Enabled
(Fig. 1)
Receiver Positive or
Negative Threshold to
INVALID HIGH (Fig. 1)
Receiver Positive or
Negative Threshold to
INVALID LOW (Fig. 1)
Output Voltage Swing
Output Resistance
Output Short Circuit Current V
Output Leakage Current
Transmitter Output Voltage
Receiver Input Voltage
Operating Range
RS-232 Input Threshold
Low
RS-232 Input Threshold
High
Input Hysteresis
Input Resistance
Parameter
Parameter
Parameter
CC
CC
CC
= 3V to 5.5V, T
= 3V to 5.5V, T
= 3V to 5.5V, T
A
A
A
= 25°C, FORCEON = GND, FORCEOFF = V
= 25°C)
= 25°C)
Positive Threshold
Negative Threshold
I
I
All Transmitter outputs are loaded with
3K
V
V
transmitter disabled
T1IN = T2IN = GND,
T3OUT loaded with 3K
T1OUT and T2OUT loaded with 2.5mA
each
T
T
T
T
T
OUT
OUT
A
A
A
A
A
CC
CC
CC
A
A
A
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= V+ = V- = 0V
= 3.3V
= 0 to 5.5V, transmitter output=± 12V,
= -40 to 85°C, unless otherwise specified.
= -40 to 85°C, unless otherwise specified.
= -40 to 85°C, unless otherwise specified.
= 1.6mA
= -1mA
to GND
Test Conditions
Test Conditions
Test Conditions
V
V
V
V
CC
CC
CC
CC
= 3.3V
= 5.0V
= 3.3V
= 5.0V
to GND
V
T3IN = V
OUT
=
CC
2V
V
CC
Min.
-0.3
Min.
Min.
2.7
300
-25
0.6
0.8
3
-0.6
5
5
CC
)
Typ.
10M
Typ.
Typ.
100
0.2
1.1
1.4
1.6
1.9
0.5
30
5.4
40
5
Max.
Max.
Max.
2.7
0.3
0.4
2.4
2.4
25
60
25
7
Unit
Unit
Unit
mA
µA
K
V
V
V
V
V
V
V
V
V
V
V
s
s
s