SH7041A datasheet(790/923 Pages) RENESAS

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Table 25.3

Permitted Output Current Values (Conditions: V

CC = 5.0 V ± 10%, AVCC =

5.0 V

± 10%, AV

CC = VCC ± 10%, AVref = 4.5 V to AVCC, VSS = AVSS = 0 V,

Ta = –20 to +75° C)

Item

Symbol

Min

Typ

Max

Unit

Output low-level permissible current (per pin)

—

2.0*

Output low-level permissible current (total)

∑ I

——80

Output high-level permissible current (per pin)

–I

—

2.0

Output high-level permissible current (total)

∑ (–I

OH)

——25

Notes: To assure LSI reliability, do not exceed the output values listed in this table.

PE9, PE11–PE15 are I

OL = 15 mA (max). Make sure that no more than three of these

pins exceed an I

OL of 2.0 mA simultaneously.

25.3

AC Characteristics

25.3.1

Clock Timing

Table 25.4

Clock Timing (Conditions: V

CC = 5.0 V ± 10%, AVCC = 5.0 V ± 10%, AVCC =

CC ± 10%, AVref = 4.5 V to AVCC, VSS = AVSS = 0 V, Ta = –20 to +75° C)

Item

Symbol

Min

Max

Unit

Figures

Operating frequency

28.7

MHz

25.1

Clock cycle time

cyc

34.8

250

Clock low-level pulse width

—

Clock high-level pulse width

—

Clock rise time

—5

Clock fall time

—5

EXTAL clock input frequency

MHz

25.2

EXTAL clock input cycle time

EXcyc

100

250

EXTAL clock low-level input pulse width

EXL

—

EXTAL clock high-level input pulse width

EXH

—

EXTAL clock input rise time

EXR

—5

EXTAL clock input fall time

EXF

—5

Reset oscillation settling time

OSC1

—

25.3

Standby return clock settling time

OSC2

—

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