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MAX3243

更新时间： 2024-11-24 22:58:03
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
11页 162K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

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MAX3243 数据手册

 浏览型号MAX3243的Datasheet PDF文件第2页浏览型号MAX3243的Datasheet PDF文件第3页浏览型号MAX3243的Datasheet PDF文件第4页浏览型号MAX3243的Datasheet PDF文件第5页浏览型号MAX3243的Datasheet PDF文件第6页浏览型号MAX3243的Datasheet PDF文件第7页 
MAX3243  
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER  
SLLS350B – APRIL 1999 – REVISED JANUARY 2000  
DB, DW, OR PW PACKAGE  
Single-Chip and Single-Supply Interface for  
IBM PC/AT Serial Port  
(TOP VIEW)  
Meets or Exceeds the Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
C2+  
C2–  
C1+  
V+  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
2
Operates With 3-V to 5.5-V V  
Supply  
CC  
V–  
V
3
CC  
Always-Active Noninverting Receiver  
Output (ROUT2B)  
RIN1  
GND  
4
RIN2  
C1–  
5
RIN3  
FORCEON  
FORCEOFF  
INVALID  
ROUT2B  
ROUT1  
ROUT2  
6
Operates up to 250 kbit/s  
RIN4  
7
Low Standby Current . . . 1 µA Typical  
External Capacitors . . . 4 × 0.1 µF  
Accepts 5-V Logic Input With 3.3-V Supply  
RIN5  
8
DOUT1  
DOUT2  
DOUT3  
9
10  
11  
Designed to Be Interchangeable With  
Maxim MAX3243  
DIN3 12  
DIN2 13  
DIN1 14  
17 ROUT3  
16 ROUT4  
15 ROUT5  
Serial-Mouse Driveability  
RS-232 Bus-Pin ESD Protection Exceeds  
±15-kV Using Human-Body Model (HBM)  
Applications  
– Battery-Powered Systems, PDAs,  
Notebooks, Laptops, Palmtop PCs, and  
Hand-Held Equipment  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages  
description  
The MAX3243 device consists of three line drivers, five line receivers, and a dual charge-pump circuit with  
±15-kV ESD 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. The device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/µs driver output slew  
rate.  
Flexible control options for power management are available when the serial port is inactive. The  
auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of  
operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF  
is set low, both drivers and receivers (except ROUT2B) are shut off, and the supply current is reduced to 1 µA.  
Disconnecting the serial port or turning off the peripheral drivers causes the auto-powerdown condition to occur.  
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.  
AT, IBM, and PC are trademarks of International Business Machines Corporation.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCT PREVIEW information concerns products in the formative or  
design phase of development. Characteristic data and other  
specifications are design goals. Texas Instruments reserves the right to  
change or discontinue these products without notice.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...11

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与MAX3243相关器件

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MAX3243_06 TI

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 		3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH +-15-kV ESD (HBM) PROTECTION
MAX3243_09 TI

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 		3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH - 15-kV ESD (HBM) PROTECTION
MAX3243CAI MAXIM

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 		1レA Supply Current, True +3V to +5.5V RS 232
MAX3243CAI+ MAXIM

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 		Line Transceiver, 1 Func, 3 Driver, 5 Rcvr, CMOS, PDSO28, ROHS COMPLIANT, SSOP-28
MAX3243CAI+T MAXIM

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 		Line Transceiver, 1 Func, 3 Driver, 5 Rcvr, CMOS, PDSO28, ROHS COMPLIANT, SSOP-28
MAX3243CAIT MAXIM

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 		LINE TRANSCEIVER, PDSO28, 0.200 INCH, 0.65 MM PITCH, SSOP-28
MAX3243CAI-T MAXIM

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 		Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, CMOS, PDSO28, 5.30 MM, MO-150, SSOP-28
MAX3243CDB TI

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 		3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
MAX3243CDBE4 TI

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 		3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH +-15-kV ESD (HBM) PROTECTION
MAX3243CDBG4 TI

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 		3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH - 15-kV ESD (HBM) PROTECTION

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