Rev. 1.0, 02/00, page 908 of 1141
30.3.3
AC Characteristics of HD64F2199
Table 30.16 AC Characteristics of HD64F2199
(Conditions: Vcc = AVcc = 4.0 V to 5.5 V, Vss = 0.0 V, Ta = –20 to +75
°
C unless otherwise
specified.)
Values
Item
Symbol
Applicable
Pins
Test
Conditions
Min
Typ
Max
Unit
Notes
Clock oscillation
frequency
f
OSC
OSC1, OSC2
8
10
MHz
Clock cycle time
t
cyc
OSC1, OSC2
100
125
ns
Figure
30.10
Subclock
oscillation
frequency
f
X
X1, X2
Vcc = 2.7 V to
5.5 V
32.768
kHz
Subclock cycle
time
t
subcyc
X1, X2
Vcc = 2.7 V to
5.5 V
30.518
µ
s
Figure
30.11
OSC1, OSC2
Crystal oscillator
10
ms
Oscillation
stabilization time
t
rc
X1, X2
32kHz crystal
oscillator
2
s
External clock high
width
t
CPH
OSC1
40
ns
External clock low
width
t
CPL
OSC1
40
ns
External clock rise
time
t
CPr
OSC1
10
ns
External clock fall
time
t
CPf
OSC1
10
ns
Figure
30.10
External clock
stabilization delay
time
t
DEXT
OSC1
500
µ
s
Figure
30.12
Subclock input low
level pulse width
t
EXCLL
X1
Vcc = 2.7 V to
5.5 V
15.26
µ
s
Subclock input
high level pulse
width
t
EXCLH
X1
Vcc = 2.7 V to
5.5 V
15.26
µ
s
Subclock input rise
time
t
EXCLr
X1
Vcc = 2.7 V to
5.5 V
10
ns
Subclock input fall
time
t
ECXLf
X1
Vcc = 2.7 V to
5.5 V
10
ns
Figure
30.11