ST3243ECTR-E STMicroelectronics, ST3243ECTR-E Datasheet - Page 8

• Manufacturer Part Number: ST3243ECTR-E
• Description: IC TXRX RS232 400KBPS 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST3243ECTR-E

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6539-2; ST3243ECTR-E

Electrical characteristics
Table 9.
Table 10.
8/16
Symbol
Symbol
V
V
V
V
t
R
V
t
t
INVH
INVL
V
TOUT
RITE
RITD
I
WU
IOH
OUT
IOL
SC
I
OT
L
Receiver input threshold
to INVALID output voltage
HIGH (see
Receiver input threshold
to INVALID output voltage
LOW (see
INVALID output voltage
LOW
INVALID output voltage
HIGH
Receiver or transmitter
edge transmitter enabled
(see
Receiver positive or
negative threshold to
INVALID HIGH
(see
Receiver positive or
negative threshold to
INVALID LOW
(see
Output voltage swing
Output resistance
Output short circuit
current
Output leakage current
Transmitter output voltage
C1 - C4 = 0.1 µF, V
Typical values are referred to T
Auto power-down electrical characteristics
C1 - C4 = 0.1 µF, V
Typical values are referred to T
Transmitter electrical characteristics
Figure
Figure
Figure
Parameter
Parameter
Figure
Figure
3)
3)
3)
3)
3)
CC
CC
= 3 V to 5.5 V, T
= 3 V to 5.5 V, T
Positive threshold
Negative threshold
I
I
All Transmitter outputs are loaded with
3kΩ to GND
V
V
V
±12 V, transmitter disabled
T1IN = T2IN = GND,T3IN = V
T3OUT loaded with 3 kΩ to GND
T1OUT and T2OUT loaded with 2.5mA
each
OUT
OUT
CC
CC
CC
= 1.6 mA
= -1 mA
= V+ = V- = 0 V, V
= 3.3 V
= 0 to 5.5V, transmitter output =
Doc ID 8648 Rev 12
A
A
= 25 °C, FORCEON = GND, FORCEOFF = V
= 25 °C.
Test conditions
Test conditions
A
A
= -40 to 85 °C, unless otherwise specified.
= -40 to 85 °C, unless otherwise specified.
OUT
= ± 2 V
CC
V
CC
Min.
-0.3
2.7
Min.
300
± 5
± 5
-0.6
ST3243EB, ST3243EC
± 5.4
Typ.
Typ.
10M
100
± 40
0.2
30
Max.
Max.
CC
± 60
± 25
0.3
2.7
0.4
.
Unit
Unit
mA
µA
µs
µs
µs
V
V
V
V
V
V
Ω
V