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Datasheet > 驱动程序和接口 > 线路驱动器或接收器> TRS3238CDBR
TRS3238CDBR PDF预览

TRS3238CDBR

更新时间： 2024-11-20 11:49:03
品牌 Logo 应用领域
德州仪器 - TI 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
19页 367K
描述
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD (HBM) PROTECTION

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中文翻译

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TRS3238CDBR 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SSOP包装说明：SSOP, SSOP28,.3
针数：28Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.7差分输出：NO
驱动器位数：5高电平输入电流最大值：0.000001 A
输入特性：SCHMITT TRIGGER接口集成电路类型：LINE TRANSCEIVER
接口标准：EIA-232-F; TIA-232-F; V.28JESD-30 代码：R-PDSO-G28
长度：10.2 mm功能数量：3
端子数量：28最高工作温度：70 °C
最低工作温度：最小输出摆幅：10 V
最大输出低电流：0.0016 A封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP28,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED电源：3.3/5 V
认证状态：Not Qualified最大接收延迟：150 ns
接收器位数：3座面最大高度：2 mm
子类别：Line Driver or Receivers最大压摆率：2 mA
最大供电电压：3.6 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
温度等级：COMMERCIAL端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5.3 mm
Base Number Matches：1

TRS3238CDBR 数据手册

 浏览型号TRS3238CDBR的Datasheet PDF文件第2页浏览型号TRS3238CDBR的Datasheet PDF文件第3页浏览型号TRS3238CDBR的Datasheet PDF文件第4页浏览型号TRS3238CDBR的Datasheet PDF文件第5页浏览型号TRS3238CDBR的Datasheet PDF文件第6页浏览型号TRS3238CDBR的Datasheet PDF文件第7页 
TRS3238  
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER  
WITH ±15-kV ESD (HBM) PROTECTION  
www.ti.com  
SLLS817–JULY 2007  
FEATURES  
DB OR PW PACKAGE  
•
RS-232 Bus-Pin ESD Protection Exceeds  
(TOP VIEW)  
±15 kV Using Human-Body Model (HBM)  
C2+  
GND  
C2−  
C1+  
27 V+  
26  
1
28  
•
Meets or Exceeds the Requirements of  
TIA/EIA-232-F and ITU v.28 Standards  
2
3
V
CC  
•
•
•
•
•
•
•
Operates With 3-V to 5.5-V VCC Supply  
Operates up to 250 kbit/s  
V−  
4
25 C1−  
DOUT1  
DOUT2  
DOUT3  
RIN1  
5
24 DIN1  
Five Drivers and Three Receivers  
Low Standby Current . . . 1 μA Typical  
External Capacitors . . . 4 × 0.1 μF  
Accepts 5-V Logic Input With 3.3-V Supply  
6
23  
22  
21  
20  
19  
18  
17  
16  
15  
DIN2  
7
DIN3  
8
ROUT1  
ROUT2  
DIN4  
9
RIN2  
DOUT4  
RIN3  
10  
11  
12  
13  
14  
Always-Active Noninverting Receiver Output  
(ROUT1B)  
ROUT3  
DIN5  
DOUT5  
FORCEON  
FORCEOFF  
•
Alternative High-Speed Pin-Compatible Device  
(1 Mbit/s)  
ROUT1B  
INVALID  
–
TRSF3238  
APPLICATIONS  
•
•
•
•
•
•
•
•
•
Battery-Powered Systems  
PDAs  
Notebooks  
Subnotebooks  
Laptops  
Palmtop PCs  
Hand-Held Equipment  
Modems  
Printers  
DESCRIPTION/ORDERING INFORMATION  
The TRS3238 consists of five line drivers, three 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 notebook and subnotebook computer applications.  
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 (ROUT1B), which allows applications using  
the ring indicator to transmit data while the device is powered down. The TRS3238 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 featured when the serial port and driver inputs are inactive.  
The auto-powerdown plus feature functions when FORCEON is low and FORCEOFF is high. During this mode  
of operation, if the device does not sense valid signal transitions on all receiver and driver inputs for  
approximately 30 s, the built-in charge pump and drivers are powered down, reducing the supply current to  
1 μA. By disconnecting the serial port or placing the peripheral drivers off, auto-powerdown plus occurs if there  
is no activity in the logic levels for the driver inputs. Auto-powerdown plus can be disabled when FORCEON and  
FORCEOFF are high. With auto-powerdown plus enabled, the device activates automatically when a valid signal  
is applied to any receiver or driver 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 all receiver input voltages are between –0.3 V and 0.3 V for more than 30 μs. Refer to Figure 5 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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2007, 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...19

中文翻译

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TRS3238CDBR 替代型号

型号 品牌 替代类型 描述 数据表
TRS3238ECDBR TI

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