ST3243CPR STMicroelectronics, ST3243CPR Datasheet - Page 3

• 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
1
Figure 1.
Table 2.
Pin n°
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
Pin
Pin configuration
Pin description
configuration
Symbol
T1
T2
T3
R5
R4
R3
R1
R2
R3
R4
R5
T3
T2
T1
C
C
V-
OUT
OUT
OUT
OUT
OUT
OUT
2
2
IN
IN
IN
IN
IN
IN
IN
IN
+
-
Positive terminal of inverting charge pump capacitor
Negative terminal of inverting charge pump capacitor
- 5.5 V Generated by the charge pump
First receiver input voltage
Second receiver input voltage
Third receiver input voltage
Fourth receiver input voltage
Fifth receiver input voltage
First transmitter output voltage
Second transmitter output voltage
Third transmitter output voltage
Third transmitter input voltage
Second transmitter input voltage
First transmitter input voltage
Fifth receiver output voltage
Fourth receiver output voltage
Third receiver output voltage
Doc ID 7539 Rev 9
Name and function
Pin configuration
3/15