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7.3 Power-On Hours (POH)

The estimated POH data for continuous device operation at specific junction temperatures is provided in the

table below.

Temperature

Rating

Temperature Range

JUNCTION

TEMP

(TJ)(1)

ESTIMATED(2)

LIFETIME

(POH)(3)

-40°C to 105°C

105°C

100000

-40°C to 125°C

105°C

100000

110°C

64000

115°C

41000

120°C

26500

125°C

17500

(1)

Unless specified, all voltage domains and operating conditions are supported in the device at the noted temperatures.

(2)

This information is provided solely for your convenience and does not extend or modify the warranty provided under TI's standard

terms and conditions for TI semiconductor products.

(3)

POH is a function of voltage, temperature and time. Usage at higher voltages and temperatures results in a reduction in POH.

Note

See additional details regarding operating hours at the links below.

Calculating Useful Lifetimes of Embedded Processors

This application report provides a methodology for calculating the useful lifetime of TI embedded

processors (EP) under power when used in electronic systems. The document is intended for general

engineers who wish to determine if the reliability of the TI EP device meets the end system reliability

requirement. Electro-migration is the primary failure mechanism being modeled.

AM243x Extended Power-On Hours

This application report provides guidelines for extending the operational lifetime of an AM243x device

from 100k Power-On Hours (POH) up to 200k POH.

TI provides a detailed quality and reliability section on the TI website which discusses quality and

reliability for all TI devices, including the AM243x processor at http://www.ti.com/quality.

AM2434, AM2432, AM2431

SPRSP65D – APRIL 2021 – REVISED AUGUST 2022

www.ti.com

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