HD404654 Datasheet, PDF (102/111 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404654 Series
AC Characteristics (HD404652, HD404654: V_CC = 1.8 to 6.0 V, GND = 0 V, T_a = –20 to +75°C;
HD4074654: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20 to +75°C, unless otherwise specified)
Item
Clock
oscillation
frequency
Instruction
cycle time
Symbol Pin(s)
Min
f _OSC
OSC₁, OSC₂ —
—
—
—
—
t _cyc
—
—
Oscillation t_RC
stabilization
time
(ceramic)
OSC₁, OSC₂ —
—
External
t _CPH
clock high
width
OSC₁
External
t _CPL
clock low
width
OSC₁
External
t _CPr
clock rise
time
OSC₁
1100
550
215
115
105
1100
550
215
115
105
—
—
—
—
—
Typ Max
400 —
800 —
2
—
3.58 —
4
—
1
—
8
—
— 7.5
— 60
——
——
——
——
——
——
——
——
——
——
— 150
— 75
— 35
— 25
— 20
Unit Test Condition
kHz
Notes
1
kHz
MHz
MHz
MHz
µs
f_OSC = 4 MHz
1/4 division,
µs
f_OSC = 4 MHz,
1/32 division
ms V_CC = 2.7 V to 6.0 V
1
1
1
1
2
3
4, 5,
13
ms V_CC = 1.8 V to 2.7 V
ns f_OSC = 400 kHz
4, 5,
12
6
ns f_OSC = 800 kHz
6
ns
f_OSC = 2 MHz
6
ns f_OSC = 3.58 MHz
6
ns
f_OSC = 4 MHz
6
ns f_OSC = 400 kHz
6
ns f_OSC = 800 kHz
6
ns
f_OSC = 2 MHz
6
ns f_OSC = 3.58 MHz
6
ns
f_OSC = 4 MHz
6
ns f_OSC = 400 kHz
6
ns f_OSC = 800 kHz
6
ns
f_OSC = 2 MHz
6
ns f_OSC = 3.58 MHz
6
ns
f_OSC = 4 MHz
6
100