ST3243CPR STMicroelectronics, ST3243CPR Datasheet - Page 7

• Manufacturer Part Number: ST3243CPR
• Description: IC TXRX 5.5V RS232 PWRDWN 28SSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST3243CPR

• Number Of Drivers/receivers: 5/3
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Data Rate: 0.4 Mbps
• Interface: EIA/TIA-232. RS-232. V.24. V.28
• Minimum Operating Temperature: 0 C
• Supply Current: 10 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3732-2

ST3243C
Table 7.
Table 8.
Table 9.
Symbol
Symbol
Symbol
V
V
R
R
t
V
V
V
t
V
TOUT
RIHYS
I
INVH
INVL
OUT
SC
OT
RIN
RIH
RIL
RIN
Output voltage swing
Output Resistance
Output short circuit current
Transmitter output voltage
Receiver input voltage
operating range
RS-232 Input threshold low
RS-232 Input threshold high
Input hysteresis
Input resistance
Receiver positive or negative
threshold to INVALID HIGH
Receiver positive or negative
threshold to INVALID LOW
Auto-power-down electrical characteristics (continued)
C
values are referred to T
Transmitter electrical characteristics
C
values are referred to T
Receiver electrical characteristics
1
1
- C
- C
Parameter
4
4
Parameter
Parameter
= 0.1 µF, V
= 0.1 µF, V
CC
CC
= 3 V to 5.5 V, T
= 3 V to 5.5 V, T
A
A
All transmitter outputs are loaded with
3kΩ to GND
V
T1IN = T2IN = GND, T3IN = V
T3OUT loaded with 3kΩ to GND
T1OUT and T2OUT loaded with 2.5mA
each
= 25 °C.
= 25 °C.
CC
I
OUT
T
T
T
T
T
= V+ = V- = 0V, V
A
A
A
A
A
Doc ID 7539 Rev 9
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C
= -1mA
Test conditions
Test conditions
Test conditions
A
A
CC
CC
CC
CC
= -40 to 85°C, unless otherwise specified. Typical
= -40 to 85 °C, unless otherwise specified. Typical
= 3.3V
= 5.0V
= 3.3V
= 5.0V
OUT
= ± 2V
CC
Min.
Min.
Min.
300
-25
0.6
0.8
± 5
± 5
Electrical characteristics
3
Typ.
± 5.4
Typ.
10M
± 35
Typ.
30
1.2
1.2
1.5
1.8
0.5
1
5
Max.
Max.
Max.
± 60
2.4
2.4
25
7
Unit
Unit
Unit
mA
kΩ
µs
µs
Ω
V
V
V
V
V
V
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