MAX248EQH+D Maxim Integrated Products, MAX248EQH+D Datasheet - Page 28
![IC TXRX RS232 5V 44-PLCC](/photos/6/62/66291/175-44-plcc_sml.jpg)
MAX248EQH+D
Manufacturer Part Number
MAX248EQH+D
Description
IC TXRX RS232 5V 44-PLCC
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.MAX222CPN.pdf
(38 pages)
Specifications of MAX248EQH+D
Number Of Drivers/receivers
8/8
Protocol
RS232
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
44-LCC, 44-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 19. MAX243 Pin Configuration and Typical Operating Circuit
28
______________________________________________________________________________________
TOP VIEW
T2OUT
R2IN
C1+
C2+
C1-
C2-
V+
V-
1
2
3
4
5
6
7
8
+
MAX243
DIP/SO
RECEIVER INPUT
≤ -3V
OPEN
≥ +3V
16
15
14
13
12
11
10
9
V
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
CC
R1 OUTPUT
HIGH
HIGH
LOW
R2 OUTPUT
HIGH
LOW
LOW
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
0.1μF
0.1μF
11
10
12
1
3
4
5
9
C1+
C1-
C2+
C2-
T1IN
T2IN
R1OUT
R2OUT
0.1μF
+5V
+5V
VOLTAGE INVERTER
VOLTAGE DOUBLER
+10V TO -10V
+5V TO +10V
400kΩ
400kΩ
+5V INPUT
GND
V
CC
15
16
5kΩ
5kΩ
T1OUT
T2OUT
0.1μF
R1IN
R2IN
V+
V-
2
6
14
7
13
8
+10V
-10V
0.1μF
RS-232
OUTPUTS
RS-232
INPUTS