Renesas H8 Series Hardware Manual

Section 16 Electrical Characteristics
Rev. 7.00 Mar 10, 2005 page 500 of 652
REJ09B0042-0700
Values
Item Symbol
Applicable
Pins
Min Typ Max Unit Test Condition
Reference
Figure
Oscillation
stabilization time
t
rc
OSC
1
, OSC
2
—20 45 µs
Ceramic oscillator
V
CC
= 2.2 V to 3.6 V
Figure 16.9
—80 — µs
Ceramic oscillator
Except the above
—0.8 2 ms
Crystal oscillator
V
CC
= 2.7 V to 3.6 V
— 1.2 3 ms Crystal oscillator
V
CC
= 2.2 V to 3.6 V
— — 50 ms Except the above
X
1
, X
2
—— 2 s V
CC
= 2.2 V to 3.6 V
— 4 — s Except the above
t
CPH
OSC
1
40 — — ns V
CC
= 2.7 V to 3.6 V Figure 16.1External clock high
width
100 — — ns V
CC
= 1.8 V to 3.6 V
X
1
—
15.26
or
13.02
—µs
t
CPL
OSC
1
40 — — ns V
CC
= 2.7 V to 3.6 V Figure 16.1External clock low
width
100 — — ns V
CC
= 1.8 V to 3.6 V
X
1
— 15.26
or
13.02
—µs
t
CPr
OSC
1
— — 10 ns V
CC
= 2.7 V to 3.6 V Figure 16.1External clock rise
time
— — 25 ns V
CC
= 1.8 V to 3.6 V
X
1
— — 55.0 ns
t
CPf
OSC
1
— — 10 ns V
CC
= 2.7 V to 3.6 V Figure 16.1External clock fall
time
— — 25 ns V
CC
= 1.8 V to 3.6 V
X
1
— — 55.0 ns
Pin RES low width t
REL
RES 10 — — t
cyc
Figure 16.2

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English