SH7014 datasheet(596/754 Pages) RENESAS

596 / 754 page

22. Electrical Characteristics (5 V 28.7 MHz)

Rev.5.00 Sep. 27, 2007 Page 562 of 716

REJ09B0398-0500

Table 22.3

Permitted Output Current Values

Conditions:

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

⎯

Output high-level permissible current (per pin)

−I

⎯

2.0

Output high-level permissible current (total)

∑ (−I

OH)

⎯

Note:

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

22.3

AC Characteristics

22.3.1

Clock Timing

Table 22.4

Clock Timing

Conditions:

CC = 5.0 V ±10%, AVCC = 5.0 V ±10%, AVCC = VCC ±10%, VSS = AVSS = 0 V,

Ta =

−20 to +75° C

Item

Symbol

Min

Max

Unit

Figures

Operating frequency

28.7

MHz

22.1

Clock cycle time

cyc

34.8

250

Clock low-level pulse width

⎯

Clock high-level pulse width

⎯

Clock rise time

⎯

Clock fall time

⎯

EXTAL clock input frequency

MHz

22.2

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

⎯

EXTAL clock input fall time

EXF

⎯

Reset oscillation settling time

OSC1

⎯

22.3

Standby return clock settling time

OSC2

⎯

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