ST3243B_07 Datasheet, PDF (3/22 Pages) STMicroelectronics – 3 to 5.5 V, 400 Kbps, RS-232 transceiver with auto-power-down

ST3243B - ST3243C
1
Pin configuration
Figure 1. Pin configuration
Pin configuration
Table 2. Pin description
Pin n°
Symbol
1
C₂+
2
C₂-
3
V-
4
R1_IN
5
R2_IN
6
R3_IN
7
R4_IN
8
R5_IN
9
T1_OUT
10
T2_OUT
11
T3_OUT
12
T3_IN
13
T2_IN
14
T1_IN
15
R5_OUT
16
R4_OUT
Name and function
Positive terminal of inverting charge pump capacitor
Negative terminal of inverting charge pump capacitor
-5.5V 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
3/22