HD64F3670 Datasheet, PDF (250/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

17.2.3 AC Characteristics
Table 17.3 AC Characteristics
V_CC = 3.0 V to 5.5 V, V_SS = 0.0 V, T_a = –20°C to +75°C, unless otherwise specified.
Item
System clock
oscillation
frequency
System clock (ø)
cycle time
Applicable
Symbol Pins
f_OSC
OSC1,
OSC2
t_cyc
Instruction cycle
time
Oscillation
t_rc
stabilization time
(crystal resonator)
Oscillation
t_rc
stabilization time
(ceramic resonator)
External clock
t_CPH
high width
OSC1,
OSC2
OSC1,
OSC2
OSC1
External clock
t_CPL
OSC1
low width
External clock
t_CPr
rise time
OSC1
External clock
t_CPf
fall time
OSC1
Test Condition Min
V_CC = 4.0 V to 5.5 V 2.0
2.0
1
—
2
—
—
V_CC = 4.0 V to 5.5 V 25.0
40.0
V_CC = 4.0 V to 5.5 V 25.0
40.0
V_CC = 4.0 V to 5.5 V —
—
V_CC = 4.0 V to 5.5 V —
—
Values
Typ Max
—
16.0
—
10.0
—
64
—
12.8
—
—
—
10.0
—
5.0
—
—
—
—
—
—
—
—
—
10.0
—
15.0
—
10.0
—
15.0
Reference
Unit Figure
MHz *¹
MHz
t_OSC
*²
µs
t_cyc
ms
ms
ns Figure 17.1
ns
ns
ns
ns
ns
ns
ns
Rev. 2.0, 03/02, page 226 of 298