ST40RA datasheet(43/94 Pages) STMICROELECTRONICS

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7 Electrical specifications

ST40RA

43/94

STMicroelectronics

ADCS 7260755H

Electrical specifications

7.1

DC absolute maximum ratings

7.1.1

Fmax clock domains

Symbol

Parameter

Min

Max

Units

Notes

VDDCORE

Core DC supply voltage

2.1

a,b

a. Stresses greater than those listed under

Table 20: Absolute maximum ratings may cause

permanent damage to the device. This is a stress rating only and functional operation of the device

at these or any other conditions above those indicated in the operating sections of this specification

is not implied. Exposure to absolute maximum rating conditions for extended period may effect

reliability.

b. All I/O pins are 3.3 V tolerant except CLKIN, LPCLKIN, CLKOSC and LPCLKOSC.

VDDIO

I/O DC supply voltage

4.0

VDDRTC

RTC DC supply voltage

2.1

VIO

Voltage on input, output and bidirectional pins.

GND -0.6

VDDIO + 0.6

VIORTC

Voltage on input pins on VDDRTC supply

(LPCLKIN, LPCLKOSC)

GND -0.6

VDDRTC + 0.6

VIOCLK

Voltage on CLKIN and CLKOSC pins

GND -0.6

VDDCORE + 0.6

DC output current

Storage temperature (ambient)

-55

125

deg C

Temperature under bias (ambient)

-55

125

deg C

Table 20: Absolute maximum ratings

Function clock

ST40RA200XH6

ST40RA166XH6

ST40RA150XH6

CPU_CLK

200 MHz

166 MHz

150 MHz

STBUS_CLK

100 MHz

111 MHz

100 MHz

PER_CLK

50 MHz

55 MHz

50 MHz

LMI_CLK

133 MHz

100 MHz

EMI_SS_CLK

100 MHz

111 MHz

100 MHz

EMI_EXT

100 MHz

PCI_EXT

66 MHz

Table 21: Fmax clock domains

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