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SN75LPE185DBR

更新时间： 2024-11-19 04:50:59
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
18页 328K
描述
LOW-POWER MULTIPLE RS-232 DRIVERS/RECEIVERS WITH ENABLE

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SN75LPE185DBR 数据手册

 浏览型号SN75LPE185DBR的Datasheet PDF文件第2页浏览型号SN75LPE185DBR的Datasheet PDF文件第3页浏览型号SN75LPE185DBR的Datasheet PDF文件第4页浏览型号SN75LPE185DBR的Datasheet PDF文件第5页浏览型号SN75LPE185DBR的Datasheet PDF文件第6页浏览型号SN75LPE185DBR的Datasheet PDF文件第7页 
SN75LPE185  
LOW-POWER MULTIPLE RS-232 DRIVERS/RECEIVERS  
WITH ENABLE  
SLLS256F – DECEMBER 1996 – REVISED NOVEMBER 2001  
DB, DW, NT, OR PW PACKAGE  
(TOP VIEW)  
Single-Chip RS-232 Interface for IBM  
PC-Compatible Serial Port  
Designed to Transmit and Receive 4-µs Pulses  
(Equivalent to 256 kbit/s)  
V
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
DD  
RA1  
RA2  
RA3  
DY1  
DY2  
RA4  
DY3  
RA5  
RY1  
RY2  
RY3  
DA1  
DA2  
RY4  
DA3  
RY5  
GND  
NC  
2
Standby Power Is Less Than 750 µW Maximum  
3
Wide Supply-Voltage Range . . . 4.75 V to 15 V  
4
5
Driver Output Slew Rates Are Internally  
Controlled to 30 V/µs Maximum  
6
7
RS-232 Bus-Pin ESD Protection Exceeds:  
– 15 kV, Human-Body Model  
8
9
Receiver Input Hysteresis . . . 1000 mV Typical  
V
10  
11  
SS  
Three Drivers and Five Receivers Meet or  
Exceed the Requirements of TIA/EIA-232-F and  
ITU v.28 Standards  
EN  
MODE 12  
13 NC  
NC – No internal connection  
Complements the SN75LP196  
One Receiver Remains Active During WAKE-UP  
Mode (100 µA Maximum)  
Matches Flow-Through Pinout of  
Industry-Standard SN75185, SN75C185, and  
SN75LP185, With Additional Control Pins  
Package Options Include Plastic Shrink  
Small-Outline (DB), Small-Outline (DW), and  
Thin Shrink Small-Outline (PW) Packages, and  
Standard Plastic (NT) DIPs  
description  
The SN75LPE185 is a low-power bipolar device containing three drivers and five receivers, with 15-kV ESD  
protection on the bus pins, with respect to each other. Bus pins are defined as those pins that tie directly to the  
serial-port connector, including GND. The pinout matches the flow-through design of the industry-standard  
SN75185, SN75C185, and SN75LP185, with the addition of four pins for control signals. The flow-through  
pinout of the device allows easy interconnection of the universal asynchronous receiver/transmitter (UART) and  
serial-port connector of the IBM PC compatibles. The SN75LPE185 provides a rugged, low-cost solution for  
this function, with the combination of bipolar processing and 15-kV ESD protection.  
The SN75LPE185 has an internal slew-rate control to provide a maximum rate of change in the output signal  
of 30 V/µs. The driver output swing is clamped at ±6 V to enable the higher data rates associated with this device  
and to reduce EMI emissions. Although the driver outputs are clamped, the outputs can handle voltages up to  
±15 V without damage.  
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 is a trademark of International Business Machines Corporation.  
Copyright 2001, Texas Instruments Incorporated  
PRODUCTION DATA information is 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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...18

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