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| 型號： | TPS3305- |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL PROCESSOR SUPERVISORS |
| 中文描述： | 雙處理器監(jiān)事 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 236K |
| 代理商： | TPS3305- |
TPS3305-18, TPS3305-25, TPS3305-33
DUAL PROCESSOR SUPERVISORS
SLVS198 – DECEMBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Dual Supervisory Circuits for DSP and
Processor-Based Systems
Power-On Reset Generator with Fixed
Delay Time of 200 ms, no External
Capacitor Needed
Watchdog Timer Retriggers the RESET
Output at SENSEn
≥
V
IT+
Temperature-Compensated Voltage
Reference
Maximum Supply Current of 40
μ
A
Supply Voltage Range . . . 2.7 V to 6 V
Defined RESET
Output from V
DD
≥
1.1 V
MSOP-8 and SO-8 Packages
Temperature Range . . . – 40
°
C to 85
°
C
typical applications
Figure 1 lists some of the typical applications for the TPS3305 family, and a schematic diagram for a DSP-based
system application. This application uses TI part numbers TPS3305–25, TPS7133, TPS71025, and
TMS320VC549.
TPS7133
VO
VI
GND
TPS71025
VO
VI
GND
VDD
GND
SENSE 1
SENSE 2
MR
RESET
WDI
DSP
GND
DVDD
CVDD
TMS320VC549
RESET
XF
TPS3305–25
2.5 V
3.3 V
5 V – 10 V
External
Reset
Source
Figure 1. Applications Using the TPS3305 Family
Applications using DSPs, Microcontrollers
or Microprocessors
Industrial Equipment
Programmable Controls
Automotive Systems
Portable/Battery Powered Equipment
Intelligent Instruments
Wireless Communication Systems
Notebook/Desktop Computers
description
The TPS3305 family is a series of micropower supply voltage supervisors designed for circuit initialization,
primarily in DSP and processor-based systems, which require two supply voltages.
The product spectrum of the TPS3305 is designed for monitoring two independent supply voltages of
3.3 V/1.8 V, 3.3 V/2.5 V or 3.3 V /5 V.
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.
Copyright
1998, Texas Instruments Incorporated
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.
1
2
3
4
8
7
6
5
SENSE1
SENSE2
WDI
GND
V
DD
MR
RESET
RESET
D OR DGN PACKAGE
(TOP VIEW)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS3305 | DUAL PROCESSOR SUPERVISORS |
| TPS3307- | TRIPLE PROCESSOR SUPERVISORS |
| TPS3307-18Y | TRIPLE PROCESSOR SUPERVISORS |
| TPS3307-25Y | TRIPLE PROCESSOR SUPERVISORS |
| TPS3307-33Y | TRIPLE PROCESSOR SUPERVISORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS3305-18 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:雙處理器監(jiān)事 |
| TPS3305-18/3305-25/3305-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual Processor Supervisors |
| TPS3305-18D | 功能描述:監(jiān)控電路 Dual Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| TPS3305-18D | 制造商:Texas Instruments 功能描述:DUAL PROCESSOR SUPERVISORY CIRCUIT |
| TPS3305-18DG4 | 功能描述:監(jiān)控電路 Dual Processor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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