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參數資料
| 型號： | TPS3128-xx |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
| 中文描述： | 超低電壓處理器監控電路 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 218K |
| 代理商： | TPS3128-XX |
www.ti.com
FEATURES
Minimum Supply Voltage of 0.75 V
Supply Voltage Supervision Range:
– 1.2 V, 1.5 V, 1.8 V (TPS312x)
– 3 V (TPS3125 Devices Only)
– Other Versions on Request
Power-On Reset Generator With Fixed Delay
Time of 180 ms
Manual Reset Input (TPS3123/5/6/8)
Watchdog Timer Retriggers the RESET Output
at V
DD
≥
V
IT
Supply Current of 14 μA (Typ)
Small SOT23-5 Package
Temperature Range of -40
°
C to 85
°
C
Reset Output Available in Push-Pull (Active
Low and High) and Open-Drain (Active-Low)
APPLICATIONS
Applications Using Low Voltage DSPs,
Microcontrollers, or Microprocessors
Portable/Battery-Powered Equipment
Wireless Communication Systems
Programmable Controls
Industrial Equipment
Notebook/Desktop Computers
Intelligent Instruments
3
2
4
5
DBV PACKAGE
(TOP VIEW)
1
TPS3123/T
PS3128
RESET
GND
MR
V
DD
WDI
3
2
4
5
1
TPS3124
RESET
GND
RESET
V
DD
WDI
3
2
4
5
1
TPS3125/
TPS3126
RESET
GND
RESET
V
DD
MR
MR
TPS3123J12
GND
V
DD
RESET
XF
RESET
CV
DD
DV
DD
GND
1.2 V
TMS320UVC5402
WDI
TPS3123-xx
TPS3124-xx, TPS3125-xx
TPS3126-xx, TPS3128-xx
SLVS227B–AUGUST 1999–REVISED FEBRUARY 2004
ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS
Figure 1. Typical Low-Voltage DSP Application
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 1999–2004, Texas Instruments Incorporated
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| TPS3128E12DBVR | ULTRA-LOW VOLTAGE PROCESSOR SUPERVISORY CIRCUITS |
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| TPS3305- | DUAL PROCESSOR SUPERVISORS |
| TPS3305 | DUAL PROCESSOR SUPERVISORS |
| TPS3307- | TRIPLE PROCESSOR SUPERVISORS |
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