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MAX563CWN+T

更新时间: 2024-01-26 07:39:07
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MAX563CWN+T 数据手册

 浏览型号MAX563CWN+T的Datasheet PDF文件第2页浏览型号MAX563CWN+T的Datasheet PDF文件第3页浏览型号MAX563CWN+T的Datasheet PDF文件第4页浏览型号MAX563CWN+T的Datasheet PDF文件第5页浏览型号MAX563CWN+T的Datasheet PDF文件第6页浏览型号MAX563CWN+T的Datasheet PDF文件第7页 
19-0198; Rev 0; 10/93  
+3 .3 V-P o w e re d , EIA/TIA-5 6 2 Du a l Tra n s c e ive r  
w it h Re c e ive rs Ac t ive in S h u t d o w n  
MAX563  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
Guaranteed Interoperability with RS-232  
Operates from a Single +3.0V to +3.6V Supply  
2 Drivers, 2 Receivers  
The MAX563 is a +3.3V-powered EIA/TIA-562 transceiver  
with two transmitters and two receivers. Because it imple-  
ments the EIA/TIA-562 standard, the MAX563 communi-  
cates with RS-232 transceivers, yet consumes far less  
power; this makes it ideal for battery-powered, hand-held  
computers. And, the MAX563 guarantees a 116kbps data  
rate while maintaining ±3.7V EIA/TIA-562 signal levels,  
which makes it compatible with LapLink™ software.  
Receivers Active in Shutdown Mode  
Low-Power Shutdown: 10µA Max  
An on-board charge pump converts the +3.3V supply to  
the ±6.6V needed to produce the EIA/TIA-562 output volt-  
age levels. Four 0.1µF charge-pump capacitors and a  
bypass capacitor of similar size are the only external com-  
ponents required.  
Small Package—18-Pin Wide SO  
Three-State TTL/CMOS Receiver Outputs  
116kbps Guaranteed Data Rate  
When the MAX563s charge pumps and transmitters are  
shut down to save power, the receivers remain active to  
continuously monitor signals from external devices (for  
example, ring indicator from modems). The two receivers’  
outputs can be enabled and disabled independently of the  
shutdown function to allow two ports—generally of different  
typesto be wire-OR connected at the UART.  
______________Ord e rin g In fo rm a t io n  
PART  
MAX563CPN  
MAX563CWN  
MAX563C/D  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
PIN-PACKAGE  
18 Plastic DIP  
18 Wide SO  
Dice *  
________________________Ap p lic a t io n s  
Handiterminals  
Battery-Powered Equipment  
Bar-Code Readers  
* Dice are specified at T = +25°C.  
A
Notebook and Palmtop Computers  
__________Typ ic a l Op e ra t in g Circ u it  
__________________P in Co n fig u ra t io n  
+3.3V  
C3  
ALL CAPACITORS 0.1µF  
+6.6V  
17  
TOP VIEW  
3
2
V
C1+  
CC  
V+  
C1  
C2  
VOLTAGE DOUBLER  
4
5
C1-  
EN  
C1+  
V+  
1
2
18 SHDN  
17  
-6.6V  
C4  
C2+  
7
V
CC  
VOLTAGE INVERTER V-  
6
C2-  
3
4
16 GND  
15 T1  
V
CC  
C1-  
C2+  
C2-  
V-  
OUT  
400k  
MAX563  
T1  
12 T1  
15  
OUT  
IN  
5
6
7
8
9
14 R1  
13 R1  
IN  
OUT  
IN  
CMOS  
INPUTS  
RS-562  
OUTPUTS  
V
CC  
400k  
11  
T2  
IN  
T2  
8
OUT  
12 T1  
11 T2  
T2  
OUT  
IN  
13 R1  
14  
R1  
IN  
OUT  
R2  
IN  
10 R2  
OUT  
5k  
5k  
RS-562/RS-232  
INPUTS  
CMOS  
OUTPUTS  
10  
1
R2  
R2  
IN  
9
OUT  
DIP/SO  
18  
SHDN  
ON/OFF  
EN  
GND  
™ LapLink is a registered trademark of Traveling Software, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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