SH7713 datasheet(823/904 Pages) RENESAS

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Section 24 Electrical Characteristics

Rev.1.50 Aug. 30, 2006 Page 783 of 860

REJ09B0288-0150

Section 24 Electrical Characteristics

24.1

Absolute Maximum Ratings

Table 24.1 shows the absolute maximum ratings.

Table 24.1

Absolute Maximum Ratings

Item

Symbol

Rating

Unit

Power supply voltage (I/O)

CCQ

CCQ-RTC

–0.3 to 4.6

Power supply voltage (internal)

CC-PLL1

CC-PLL2

–0.3 to 2.1

Input voltage

–0.3 to V

CCQ + 0.3

Operating temperature

opr

–20 to 75

°C

Storage temperature

stg

–55 to 125

°C

Caution:

• Operating the chip in excess of the absolute maximum rating may result in permanent damage.

• Order of turning on 1.5 V power (Vcc, Vcc-PLL1, Vcc-PLL2) and 3.3 V power (VccQ, VccQ-

RTC):

1. The 3.3 V power and the 1.5 V power should be turned on simultaneously or the 3.3 V

power should be tuned on first. When the 3.3 V is turned on first, turn on the 1.5 V power

within 1 ms. It is recommended that this interval will be as short as possible.

2. Until voltage is applied to all power supplies and a low level is input at the

RESETP pin,

internal circuits remain unsettled, and so pin states are also undefined. The system design

must ensure that these undefined states do not cause erroneous system operation.

3. When the power is turned on, make sure that the voltage of the 1.5 V power is lower than

that of the 3.3 V power.

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