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MAX3243CPWR.B Datasheet(PDF) 3 Page - Texas Instruments

Part # MAX3243CPWR.B
Description  MAX3243 3V to 5.5V Multichannel RS-232 Line Driver and Receiver With ±15kV ESD (HBM) Protection
PDF  30 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

MAX3243CPWR.B Datasheet(HTML) 3 Page - Texas Instruments

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4 Pin Configuration and Functions
1
C2+
28
C1+
2
C2–
27
V+
3
V–
26
VCC 
4
RIN1:RIN5
25
GND
5
RIN1:RIN5
24
C1–
6
RIN1:RIN5
23
FORCEON
7
RIN1:RIN5
22
FORCEOFF
8
RIN1:RIN5
21
INVALID
9
DOUT1:DOUT3
20
ROUT2B
10
DOUT1:DOUT3
19
ROUT5:ROUT1
11
DOUT1:DOUT3
18
ROUT5:ROUT1
12
DIN3:DIN1
17
ROUT5:ROUT1
13
DIN3:DIN1
16
ROUT5:ROUT1
14
DIN3:DIN1
15
ROUT5:ROUT1
Not to scale
Figure 4-1. DB, DW, or PW Package
(Top View)
Table 4-1. Pin Functions
PIN
TYPE
DESCRIPTION
NAME
NO.
C2+
1
—
Positive lead of C2 capacitor
C2–
2
—
Negative lead of C2 capacitor
V–
3
O
Negative charge pump output for storage capacitor only
RIN1:RIN5
4, 5, 6, 7, 8
I
RS232 line data input (from remote RS232 system)
DOUT1:DOUT3
9, 10, 11
O
RS232 line data output (to remote RS232 system)
DIN3:DIN1
12, 13, 14
I
Logic data input (from UART)
ROUT5:ROUT1
15, 16, 17, 18, 19
O
Logic data output (to UART)
ROUT2B
20
O
Always Active non-inverting output for RIN2 (normally used for ring
indicator)
INVALID
21
O
Active low output when all RIN are unpowered
FORCEOFF
22
I
Low input forces DOUT1-5, ROUT1-5 high Z per Section 7.4
FORCEON
23
I
High forces drivers on. Low is automatic mode per Section 7.4
C1–
24
—
Negative lead on C1 capacitor
GND
25
—
Ground
VCC
26
—
Supply Voltage, Connect to 3V to 5.5V power supply
V+
27
O
Positive charge pump output for storage capacitor only
C1+
28
—
Positive lead of C1 capacitor
www.ti.com
MAX3243
SLLS350Q – APRIL 1999 – REVISED AUGUST 2024
Copyright © 2024 Texas Instruments Incorporated
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3
Product Folder Links: MAX3243



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