STA1275 datasheet(73/109 Pages) STMICROELECTRONICS

73 / 109 page

DS12586 Rev 5

73/109

STA1295, STA1275

Electrical characteristics

106

Electrical characteristics

4.1

Parameter conditions

Unless otherwise specified, all voltages are referred to GND.

4.2

Minimum and maximum values

Unless otherwise specified the minimum and maximum values are guaranteed in the worst

conditions of ambient temperature, supply voltage and frequencies by tests in production on

100% of the devices with an ambient temperature at TA = 25°C and TA = 85°C.

The 'Limit Values' data is explained and identified with a letter as listed below, and reported

in the ‘Note’ field of the following tables where applicable:

•

<SR>: System requirements, which means conditions that must be provided to ensure

normal device operation.

•

<P>: Data tested in production.

•

<C>: Data based on engineering characterization, not tested in production. Based on

characterization, the minimum and maximum values refer to sample tests and

represent the mean value plus or minus three times the standard deviation (± 3).

•

<V>: Data based on design validation performed on three sample devices, not tested in

production.

•

<S>: Data based on design guidelines and simulation, not tested in production.Typical

curves.

4.3

Absolute maximum ratings

This product contains devices to protect the inputs against damage due to high static

voltages, however it is advisable to take normal precautions to avoid application of any

voltage higher than the specified maximum rated voltages.

Table 30. Absolute maximum ratings

Symbol

Parameter

Limit values

Unit

Min.

Max.

VDD

Power supply pins for the internal

logic of switchable domain

- 0.3

+ 1.50

VDD_IO_ON

Power supply pins for the IO

buffers of the always ON section

- 0.3

+ 3.90

VDD_IO_3V3

Power supply pins for the 3.3 V IO

buffers in switchable domain

- 0.3

+ 3.90

VDD_IO_1V8

Power supply pins for the 1.8 V IO

buffers in switchable domain

- 0.3

+ 3.90

ARM_VDD

Power supply pins for the Cortex®

A7 CPU

- 0.3

+ 1.50

ADC2_3_AVDD

SR Analog power supply for SAR ADC

- 0.3

+ 3.90

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