ST3243 ST Microelectronics, ST3243 Datasheet - Page 2

• Manufacturer Part Number: ST3243
• Description: RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
• Manufacturer: ST Microelectronics

ST3243
ORDERING CODES
PIN DESCRIPTION
2/11
ST3243CDR
ST3243BDR
ST3243CPR
ST3243BPR
ST3243CTR
ST3243BTR
ST3243CD
ST3243BD
Type
PlN N°
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
2
3
4
5
6
7
8
9
Temperature
-40 to 85 °C
-40 to 85 °C
-40 to 85 °C
-40 to 85 °C
0 to 70 °C
0 to 70 °C
0 to 70 °C
0 to 70 °C
Range
FORCEOFF
FORCEON
SYMBOL
INVALID
R2
R5
R4
R3
R2
R1
T1
T2
T3
GND
R1
R2
R3
R4
R5
T3
T2
T1
V
C
C
C
C
V+
V-
OUTB
OUT
OUT
OUT
CC
OUT
OUT
OUT
OUT
OUT
2
1
2
1
IN
IN
IN
IN
IN
IN
IN
IN
+
+
-
-
TSSOP28 (Tape & Reel)
TSSOP28 (Tape & Reel)
SSOP-28 (Tape & Reel)
SSOP-28 (Tape & Reel)
SO-28 (Tape & Reel)
SO-28 (Tape & Reel)
SO-28 (Tube)
SO-28 (Tube)
Package
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
Third Receiver Output Voltage
Second Receiver Output Voltage
First Receiver Output Voltage
Non-inverting Complementary Receiver Output, always active
for wake-up
Output of the valid signal detector. Indicates if a valid RS-232
level is present on receiver inputs logic "1"
Drive low to shut down transmitters and on-board power
supply. This over-rides all automatic circuitry and FORCEON
Drive high to override automatic circuitry keeping transmitters
on (FORCEOFF must be high)
Negative Terminal of Voltage- Charge Pump Capacitor
Ground
Supply Voltage
5.5V Generated by the Charge Pump
Positive Terminal of Voltage- Charge Pump Capacitor
NAME AND FUNCTION
27parts per tube / 12tube per box
27parts per tube / 12tube per box
1000 parts per reel
1000 parts per reel
1350 parts per reel
1350 parts per reel
2500 parts per reel
2500 parts per reel
Comments