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MAX3243-EP_16

更新时间： 2024-09-17 02:58:47
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德州仪器 - TI 驱动
页数 文件大小 规格书
15页 541K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ESD (HBM) PROTECTION

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MAX3243-EP_16 数据手册

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MAX3243-EP  
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER  
WITH ±15-kV ESD (HBM) PROTECTION  
www.ti.com  
SGLS328A–MARCH 2006–REVISED MAY 2006  
FEATURES  
•
Applications  
•
Controlled Baseline  
– Battery-Powered Systems, PDAs,  
Notebooks, Laptops, Palmtop PCs, and  
Hand-Held Equipment  
– One Assembly/Test Site, One Fabrication  
Site  
•
•
Extended Temperature Performance of -55°C  
to 125°C  
DB OR PW PACKAGE  
(TOP VIEW)  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
C2+  
C2−  
1
28 C1+  
2
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
V+  
•
•
•
Enhanced Product-Change Notification  
V−  
3
V
CC  
(1)  
Qualification Pedigree  
4
RIN1  
RIN2  
RIN3  
RIN4  
RIN5  
DOUT1  
DOUT2  
DOUT3  
DIN3  
DIN2  
DIN1  
GND  
C1−  
Single-Chip and Single-Supply Interface  
for IBM™ PC/AT™ Serial Port  
5
6
FORCEON  
FORCEOFF  
INVALID  
ROUT2B  
ROUT1  
ROUT2  
ROUT3  
ROUT4  
ROUT5  
•
•
RS-232 Bus-Pin ESD Protection Exceeds  
±15 kV Using Human-Body Model (HBM)  
7
8
D Meets or Exceeds the Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
9
10  
11  
12  
13  
14  
•
•
•
•
•
•
Operates With 3-V to 5.5-V VCC Supply  
Three Drivers and Five Receivers  
Low Standby Current . . . 1 mA Typical  
External Capacitors . . . 4 × 0.1 mF  
Accepts 5-V Logic Input With 3.3-V Supply  
Always-Active Noninverting Receiver  
Output (ROUT2B)  
•
•
Serial-Mouse Driveability  
Auto-Powerdown Feature to Disable Driver  
Outputs When No Valid RS-232 Signal Is  
Sensed  
(1) Component qualification in accordance with JEDEC and  
industry standards to ensure reliable operation over an  
extended temperature range. This includes, but is not limited  
to, Highly Accelerated Stress Test (HAST) or biased 85/85,  
temperature cycle, autoclave or unbiased HAST,  
electromigration, bond intermetallic life, and mold compound  
life. Such qualification testing should not be viewed as  
justifying use of this component beyond specified  
performance and environmental limits.  
DESCRIPTION  
The MAX3243 consists of three line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD  
(HBM) protection pin to pin (serial-port connection pins, including GND). The device meets the requirements of  
TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the  
serial-port connector. This combination of drivers and receivers matches that needed for the typical serial port  
used in an IBM PC/AT or compatible. The charge pump and four small external capacitors allow operation from  
a single 3-V to 5.5-V supply. In addition, the device includes an always-active noninverting output (ROUT2B),  
which allows applications using the ring indicator to transmit data while the device is powered down.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
IBM, PC/AT are trademarks of IBM.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1234567...15

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