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MAX3243E

更新时间： 2024-11-08 22:58:03
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
16页 154K
描述
【15kV ESD-Protected, 1レA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown

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MAX3243E 数据手册

 浏览型号MAX3243E的Datasheet PDF文件第2页浏览型号MAX3243E的Datasheet PDF文件第3页浏览型号MAX3243E的Datasheet PDF文件第4页浏览型号MAX3243E的Datasheet PDF文件第5页浏览型号MAX3243E的Datasheet PDF文件第6页浏览型号MAX3243E的Datasheet PDF文件第7页 
19-1283; Rev 2; 1/98  
±15kV ESD-Prote c te d, 1µA, 3.0V to 5.5V, 250kbps ,  
RS -2 3 2 Tra n s c e ive rs w it h Au t o S h u t d o w n  
1/MAX243E  
Ge n e ra l De s c rip t io n  
Fe a t u re s  
The MAX3221E/MAX3223E/MAX3243E are 3V-powered  
EIA/TIA-232 and V.28/V.24 communications interfaces  
with automatic shutdown/wakeup features, high data-  
rate capabilities, and enhanced electrostatic discharge  
(ESD) protection. All transmitter outputs and receiver  
inputs are protected to ±15kV using IEC 1000-4-2 Air-  
Gap Discharge, to ±8kV using IEC 1000-4-2 Contact  
Discharge, and to ±15kV using the Human Body Model.  
♦ ESD Protection for RS-232 I/O Pins:  
±15kV—Human Body Model  
±8kV—IEC1000-4-2, Contact Discharge  
±15kV—IEC1000-4-2, Air-Gap Discharge  
♦ Latchup Free  
♦ 1µA Supply Current  
♦ 250kbps Guaranteed Data Rate  
♦ 6V/µs Guaranteed Slew Rate  
♦ Meets EIA/TIA-232 Specifications Down to 3.0V  
The MAX3221E/MAX3223E/MAX3243E a c hie ve a  
1µA s up p ly c urre nt with Ma xim’s re volutiona ry  
AutoShutd own™ fe a ture . The y s a ve p owe r without  
changes to the existing BIOS or operating system by enter-  
ing low-power shutdown mode when the RS-232 cable is  
disconnected, or when the transmitters of the connected  
peripherals are off.  
♦ Smallest Single-Supply RS-232 Transceiver  
(MAX3221E)  
♦ Guaranteed Mouse Driveability (MAX3243E)  
♦ Small 0.1µF Capacitors  
The transceivers have a proprietary low-dropout trans-  
mitter output stage, delivering true RS-232 performance  
from a +3.0V to +5.5V supply with a dual charge pump.  
The charge pump requires only four small 0.1µF capaci-  
tors for operation from a +3.3V supply. Each device is  
guaranteed to run at data rates of 250kbps while main-  
taining RS-232 output levels.  
Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 SSOP  
The MAX3221E contains just one driver and one receiver,  
making it the smallest single-supply RS-232 transceiver.  
The MAX3223E has two drivers and two receivers. The  
MAX3243E is a complete 3-driver/5-receiver serial port  
ideal for notebook or subnotebook computers. It also  
includes two noninverting receiver outputs that are always  
active, allowing external devices to be monitored without  
forward biasing the protection diodes in circuitry that may  
be powered down.  
MAX3221ECAE  
MAX3221EEAE  
MAX3223ECPP  
MAX3223ECAP  
MAX3223EEPP  
MAX3223EEAP  
MAX3243ECWI  
MAX3243ECAI  
MAX3243EEWI  
MAX3243EEAI  
16 SSOP  
20 Plastic DIP  
20 SSOP  
20 Plastic DIP  
20 SSOP  
28 Wide SO  
28 SSOP  
The MAX3221E, MAX3223E, and MAX3243E are avail-  
able in space-saving SSOP packages.  
28 Wide SO  
28 SSOP  
Ap p lic a t io n s  
S e le c t o r Gu id e  
Notebook, Subnotebook, and Palmtop Computers  
Cellular Phones  
NO. OF  
DRIVERS/  
RECEIVERS  
V
RANGE  
(V)  
CC  
PART  
AUTOSHUTDOWN  
Battery-Powered Equipment  
Hand-Held Equipment  
Peripherals  
✔
✔
✔
MAX3221E  
MAX3223E  
MAX3243E  
1/1  
2/2  
3/5  
3.0 to 5.5  
3.0 to 5.5  
3.0 to 5.5  
Printers  
Pin Configurations appear at end of data sheet.  
Typical Operating Circuits appear at end of data sheet.  
AutoShutdown is a trademark of Maxim Integrated Products.  
†
Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; 5,649,210; and other patents pending.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  
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