SPEAR300 datasheet(52/83 Pages) STMICROELECTRONICS

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Electrical characteristics

SPEAr300

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Doc ID 16324 Rev 2

Electrical characteristics

5.1

Absolute maximum ratings

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

voltages. However it is advisable to take normal precaution to avoid application of any

voltage higher/lower than the specified maximum/minimum rated voltages.

The absolute maximum rating is the maximum stress that can be applied to a device without

causing permanent damage. However, extended exposure to minimum/maximum ratings

may affect long-term device reliability.

5.2

Maximum power consumption

Note:

These values take into consideration the worst cases of process variation and voltage range

and must be used to design the power supply section of the board.

Table 15.

Absolute maximum ratings

Symbol

Parameter

Minimum value Maximum value

Unit

VDD 1.2

Supply voltage for the core

- 0.3

1.44

VDD 3.3

Supply voltage for the I/Os

- 0.3

3.9

VDD 2.5

Supply voltage for the analog

blocks

- 0.3

VDD 1.8

Supply voltage for the DRAM

interface

- 0.3

2.16

VDD RTC

RTC supply voltage

-0.3

2.16

TSTG

Storage temperature

-55

150

°C

Junction temperature

-40

125

°C

Table 16.

Maximum power consumption

Symbol

Description

Max

Unit

VDD 1.2

Supply voltage for the core

420

VDD 1.8

Supply voltage for the DRAM

interface (1)

Peak current with Linux memory test (50% write and 50% read) plus DMA reading memory.

160

VDD RTC

RTC supply voltage

µA

VDD 2.5

Supply voltage for the analog blocks

VDD 3.3

Supply voltage for the I/Os (2)

With 30 logic channels connected to the device and simultaneously switching at 10 MHz.

Maximum power consumption

930(3)

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