TPS3820-XX-Q1 Datasheet, PDF (1/13 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 Qualification in Accordance With
AEC-Q100^†
D Qualified for Automotive Applications
D Customer-Specific Configuration Control
Can Be Supported Along With
Major-Change Approval^†
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
SGLS143A – DECEMBER 2002 – REVISED JANUARY 2003
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
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
† _{Contact factory for details. Q100 qualification data available on}
request.
typical application
3.3 V
VDD
RESET
TPS3823-33
MR WDI
GND
100 nF
VDD
RESET
MSP430C325
I/O
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.
Copyright  2002 – 2003, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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