HD404669 Datasheet, PDF (133/142 Pages) Hitachi Semiconductor – Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit

HD404669 Series
AC Characteristics (HD404668, HD4046612, HD404669, HD40A4668, HD40A46612, HD40A4669:
V_CC = 1.8 to 5.5 V, GND = 0 V, T_a = –20°C to +75°C; HCD404669: V_CC = 1.8 to 5.5 V, GND = 0 V, T_a
= +75°C; HD407A4669: V_CC = 2.2 to 5.5 V, GND = 0 V, T_a = –20°C to +75°C, unless otherwise
specified)
Item
Clock oscillation
frequency
Symbol
f_OSC
Pin(s)
OSC₁, OSC₂
Instruction cycle time t_cyc
X1, X2
—
t_subcyc
—
Oscillation stabilization t_RC
time (ceramic
oscillator)
Oscillation stabilization t_RC
time (crystal oscillator)
External clock high
t_CPH
width
OSC₁, OSC₂
OSC₁, OSC₂
X1, X2
OSC₁
Min Typ
—
400
Max Unit Test Condition
—
kHz
Notes
1
—
800
—
kHz
1
—
2
—
MHz
1
—
3.58
—
MHz
1
—
4
—
MHz
1
—
7.16
—
MHz HD40A4668,
1
HD40A46612,
HD40A4669,
HD407A4669:
V_CC = 4.0V to 5.5V
—
8
—
MHz
—
32.768 —
kHz
—
8
—
µs
f_OSC = 4 MHz,
2
division by 32
—
4
—
µs
f_OSC = 4 MHz,
2
division by 16
—
2
—
µs
f_OSC = 4 MHz,
2
division by 8
—
1
—
µs
f_OSC = 4 MHz,
2
division by 4
—
244.14 —
µs 32 kHz oscillator 3
used, division by 8
—
122.07 —
µs 32 kHz oscillator 3
used, division by 4
—
—
7.5 ms
4, 5
—
—
—
—
1100 —
550
—
215
—
115
—
105
—
57.5 —
52.5 —
30 ms
4, 5, 12
2
s
Ta = –10°C to
4
+60°C
—
ns
f_OSC = 400 kHz
6
—
ns
f_OSC = 800 kHz
—
ns
f_OSC = 2 MHz
—
ns
f_OSC = 3.58 MHz
—
ns
f_OSC = 4 MHz
—
ns
f_OSC = 7.16 MHz
6, 11
—
ns
f_OSC = 8 MHz
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