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TPS3820-33QDBVRQ1 Datasheet, PDF (1/14 Pages) Texas Instruments – PROCESSOR SUPERVISORY CIRCUITS
TPS3820-xx-Q1, TPS3823-xx-Q1, TPS3824-xx-Q1, TPS3825-xx-Q1, TPS3828-xx-Q1
PROCESSOR SUPERVISORY CIRCUITS
FEATURES
D Qualified for Automotive Applications
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Using Human
Body Model (C = 100 pF, R = 1500 Ω)
D Power-On Reset Generator With Fixed
Delay Time of 200 ms (TPS3823/4/5/8)
or 25 ms (TPS3820)
D Manual Reset Input (TPS3820/3/5/8)
D Reset Output Available in Active-Low
(TPS3820/3/4/5), Active-High (TPS3824) and
Open-Drain (TPS3828)
D Supply Voltage Supervision Range
2.5 V, 3 V, 3.3 V, 5 V
D Watchdog Timer (TPS3820/3/4/8)
D Supply Current of 15 μA (Typ)
D SOT23-5 Package
APPLICATIONS
D Applications Using Automotive DSPs,
Microcontrollers, or Microprocessors
D Industrial Equipment
D Programmable Controls
D Automotive Systems
D Battery-Powered Equipment
D Intelligent Instruments
D Wireless Communications Systems
SGLS143B − DECEMBER 2002 − REVISED JUNE 2008
TPS3820, TPS3823, TPS3828 . . . DBV PACKAGE
(TOP VIEW)
RESET
1
5
VDD
GND
2
MR
3
4
WDI
TPS3824 . . . DBV PACKAGE
(TOP VIEW)
RESET
1
5
VDD
GND
2
RESET
3
4
WDI
TPS3825 . . . DBV PACKAGE
(TOP VIEW)
RESET
1
5
VDD
GND
2
RESET
3
4
MR
typical application
3.3 V
VDD
RESET
TPS3823-33
MR WDI
100 nF
VDD
RESET
MSP430C325
I/O
GND
GND
description
The TPS382x family of supervisors provides circuit initialization and timing supervision, primarily for DSP and
processor-based systems.
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 Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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Copyright © 2008 Texas Instruments Incorporated
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