HD404618 Datasheet, PDF (83/91 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404618 Series
AC Characteristics (HD404612, HD404614, HD404616, HD404618: V_CC = 2.7 V to 6.0 V;
HD4074618: V_CC = 3.0 V to 5.5 V, GND = 0 V, T_a = –20 to +75°C, unless otherwise specified)
Item
Clock
oscillation
frequency
Symbol Pin(s)
f _OSC
OSC₁,
OSC₂
Instruction t_cyc
cycle time
X1, X2
Oscillator
t _RC
stabilization
time
OSC₁,
OSC₂
External
f _CP
clock
frequency
X1, X2
OSC₁
External
t _CPH
clock high
width
OSC₁
External
t _CPL
clock low
width
OSC₁
External
t _CPr
clock rise
time
OSC₁
External
t _CPf
clock fall time
OSC₁
INT₀ high
t _IH
width
INT₀ low
t _IL
width
INT₁ high
t _IH
width
INT₀
INT₀
INT₁
Min Typ
—
400
Max Test Condition
—
1/4 division
Unit Notes
kHz
—
800
—
kHz
—
32.768 —
kHz
—
10
—
f_OSC / f_CP = 400 kHz µs
—
5
—
—
—
f_OSC / f_CP = 800 kHz µs
7.5
f_OSC = 400 kHz
ms 1
—
—
7.5
f_OSC = 800 kHz
ms 1
—
—
3
T_a = –10 to +60°C s
2
—
400
—
kHz
—
800
—
1100 —
—
f_CP = 400 kHz
kHz
ns
3
550 —
1100 —
—
f_CP = 800 kHz
—
f_CP = 400 kHz
ns
3
ns
3
550 —
—
—
—
f_CP = 800 kHz
150 f_CP = 400 kHz
ns
3
ns
3
—
—
—
—
—
—
2
—
2
—
2
—
75
f_CP = 800 kHz
150 f_CP = 400 kHz
75
f_CP = 800 kHz
—
—
—
ns
3
ns
3
ns
t _cyc /
t _subcyc
t _cyc /
t _subcyc
t _cyc
3
4, 6
4, 6
4
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