SPRS288H
May 2008 – October 2021
PRODMIX
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Switching Characteristics
6.8
Timing Diagrams
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage (VDD)
7.3.1.1
VDD Hysteresis
7.3.1.2
VDD Glitch Immunity
7.3.2
Implemented Window-Watchdog Settings
7.3.2.1
Timing Rules of Window-Watchdog
7.3.3
Watchdog Software Considerations
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.1.1
Lower-Boundary Calculation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Programming Window-Watchdog Using an External Capacitor
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Device Nomenclature
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026O
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sprs288h_oa
sprs288h_pm
6.6
Timing Requirements
At R
L
= 1 MΩ, C
L
= 50 pF, and T
A
= –40°C to +125°C.
MIN
TYP
MAX
UNIT
t
GI_VIT
Glitch immunity V
IT
(Pulse width at V
DD
)
V
DD
= V
IT
+ 0.2 V, V
DD
= V
IT
– 0.2 V
3
µs