HD404639R Datasheet, PDF (126/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer

HD404639R Series
AC Characteristics (HD404638R, HD404639R, HD40A4638R, HD40A4639R: V_CC = 2.7 to 6.0 V,
GND = 0 V, T_a = –20 to +75°C; HD407A4639R: V_CC = 2.7 to 5.5 V, GND = 0 V, T_a = –20 to +75°C,
unless otherwise specified)
Item
Symbol Pin(s) Min
Clock oscillation f_OSC
frequency
OSC₁, —
OSC₂
—
—
—
—
—
—
X1, X2 —
Instruction cycle t_cyc
—
time
—
—
—
t _subcyc
—
—
Oscillation
t _RC
stabilization time
(ceramic)
Oscillation
t _RC
stabilization time
(crystal)
External clock t_CPH
high width
OSC₁, —
OSC₂
OSC₁, —
OSC₂
X1, X2
OSC₁
—
—
1100
550
215
115
105
57.5
52.5
Typ
Max Unit Test Condition
400
—
kHz
800
—
2
—
3.58
—
4
—
7.16
—
8
—
32.768 —
8
—
4
—
2
—
1
—
244.14 —
122.07 —
—
7.5
kHz
MHz
MHz
MHz
MHz
MHz
kHz
µs
f_OSC = 4 MHz,
1/32 division
µs
f_OSC = 4 MHz,
1/16 division
µs
f_OSC = 4 MHz,
1/8 division
µs
f_OSC = 4 MHz,
1/4 division
µs 32 kHz oscillator,
1/8 division
µs 32 kHz oscillator,
1/4 division
ms
Notes
1
1
1
1
1
1, 12
1, 12
2
2
2
2
3
3
4, 5
—
40
ms V_CC = 3.5 V to 6.0 V 4, 5, 6
—
60
ms
4, 5
—
3
s
T_a = –10°C to +60°C 4
—
—
ns f_OSC = 400 kHz
7
—
—
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
—
—
ns
f_OSC = 8 MHz
7
7
7
7
7, 12
7, 12
124