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TRS3223EIDW PDF预览

TRS3223EIDW

更新时间： 2024-09-28 05:53:47
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
19页 440K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD PROTECTION

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TRS3223EIDW 数据手册

 浏览型号TRS3223EIDW的Datasheet PDF文件第2页浏览型号TRS3223EIDW的Datasheet PDF文件第3页浏览型号TRS3223EIDW的Datasheet PDF文件第4页浏览型号TRS3223EIDW的Datasheet PDF文件第5页浏览型号TRS3223EIDW的Datasheet PDF文件第6页浏览型号TRS3223EIDW的Datasheet PDF文件第7页 
TRS3223E  
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER  
WITH ±15-kV ESD PROTECTION  
www.ti.com  
SLLS794–JUNE 2007  
FEATURES  
DB, DW, OR PW PACKAGE  
•
ESD Protection for RS-232 Bus Pins  
(TOP VIEW)  
–
–
–
±15-kV Human-Body Model (HBM)  
EN  
C1+  
1
2
3
4
5
6
7
8
9
10  
20 FORCEOFF  
±8-kV IEC61000-4-2, Contact Discharge  
±15-kV IEC61000-4-2, Air-Gap Discharge  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
CC  
V+  
C1−  
C2+  
C2−  
GND  
DOUT1  
RIN1  
ROUT1  
FORCEON  
DIN1  
•
Meets or Exceeds the Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
•
•
•
•
•
•
•
Operates With 3-V to 5.5-V VCC Supply  
Operates up to 500 kbit/s  
V−  
DOUT2  
RIN2  
ROUT2  
Two Drivers and Two Receivers  
Low Standby Current . . . 1 μA Typ  
External Capacitors . . . 4 × 0.1 μF  
Accepts 5-V Logic Input With 3.3-V Supply  
DIN2  
INVALID  
RHL PACKAGE  
(TOP VIEW)  
Alternative High-Speed Pin-Compatible Device  
(1 Mbit/s) for TRSF3223E  
APPLICATIONS  
•
•
•
•
•
•
Battery-Powered Systems  
PDAs  
Notebooks  
Laptops  
Palmtop PCs  
Hand-Held Equipment  
1
24  
C1+  
N.C.  
V+  
C1–  
C2+  
V
CC  
2
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
N.C.  
3
4
GND  
DOUT1  
RIN1  
ROUT1  
FORCEON  
DIN1  
5
6
DESCRIPTION/  
ORDERING INFORMATION  
7
C2–  
V–  
8
The TRS3223E consists of two line drivers, two 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. The charge pump and four small external  
capacitors allow operation from a single 3-V to 5.5-V  
supply. The device operates at typical data signaling  
rates up to 500 kbit/s and a maximum of 30-V/μs  
driver output slew rate.  
9
DOUT2  
N.C.  
RIN2  
10  
11  
N.C.  
DIN2  
12  
13  
N.C. − No internal connection  
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 and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1 mA.  
Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur.  
Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled,  
the device is activated automatically when a valid signal is applied to any receiver input. The INVALID output is  
used to notify the user if an RS-232 signal is present at any receiver input. INVALID is high (valid data) if any  
receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less  
than 30 μs. INVALID is low (invalid data) if the receiver input voltage is between –0.3 V and 0.3 V for more than  
30 μs. Refer to Figure 4 for receiver input levels.  
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.  
UNLESS OTHERWISE NOTED this document contains  
Copyright © 2007, Texas Instruments Incorporated  
PRODUCTION DATA information current as of publication date.  
Products conform to specifications per the terms of Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TRS3223EIDW 替代型号

型号 品牌 替代类型 描述 数据表
TRS3223ECDWR TI

完全替代

 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/
TRS3223ECDW TI

完全替代

 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/

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