HD64F3687GHV Datasheet, PDF (459/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 22 Electrical Characteristics
22.2.3 AC Characteristics
Table 22.3 AC Characteristics
V_CC = 4.5 to 5.5 V, V_SS = 0.0 V, T_a = -20 to +75°C/-40 to +85°C, unless otherwise indicated.
Item
System clock
oscillation
frequency
System clock (φ)
cycle time
Applicable
Symbol Pins
Test Condition
f_OSC
OSC1, OSC2
t_cyc
Subclock
f_W
oscillation
frequency
Watch clock (φ_W) t_W
cycle time
Subclock (φ_SUB)
cycle time
t_subcyc
Instruction cycle
time
Oscillation
t_rc
stabilization time
(crystal resonator)
Oscillation
t_rc
stabilization time
(ceramic resonator)
Oscillation
t_rc
stabilization time
(on-chip oscillator)
Oscillation
t_rcx
stabilization time
External clock high t_CPH
width
External clock low t_CPL
width
External clock rise t_CPr
time
X1, X2
X1, X2
OSC1,
OSC2
OSC1,
OSC2
X1, X2
OSC1
OSC1
OSC1
External clock fall t_CPf
time
OSC1
Min.
4.0
Values
Typ. Max.
—
20.0
Reference
Unit Figure
MHz *¹
1
—
64
t_OSC
*²
—
—
12.8 µs
—
32.768 —
kHz
—
30.5 —
µs
2
—
8
t_W
*²
2
—
—
t_cyc
t_subcyc
—
—
10.0 ms
—
—
5.0 ms
—
—
500 µs
—
—
20.0 —
2.0 s
—
ns Figure 22.1
20.0 —
—
ns
—
—
10.0 ns
—
—
15.0
—
—
10.0 ns
—
—
15.0
Rev. 3.00 Sep. 10, 2007 Page 425 of 528
REJ09B0216-0300