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HD404618 Datasheet, PDF (81/89 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer | |||
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HD404618 Series
AC Characteristics (HD404612, HD404614, HD404616, HD404618: VCC = 2.7 V to 6.0 V;
HD4074618: VCC = 3.0 V to 5.5 V, GND = 0 V, Ta = â20 to +75°C, unless otherwise specified)
Item
Clock
oscillation
frequency
Symbol Pin(s)
f OSC
OSC1,
OSC2
Instruction tcyc
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
â
400
Max Test Condition
â
1/4 division
Unit Notes
kHz
â
800
â
kHz
â
32.768 â
kHz
â
10
â
fOSC / fCP = 400 kHz µs
â
5
â
â
â
fOSC / fCP = 800 kHz µs
7.5
fOSC = 400 kHz
ms 1
â
â
7.5
fOSC = 800 kHz
ms 1
â
â
3
Ta = â10 to +60°C s
2
â
400
â
kHz
â
800
â
1100 â
â
fCP = 400 kHz
kHz
ns
3
550 â
1100 â
â
fCP = 800 kHz
â
fCP = 400 kHz
ns
3
ns
3
550 â
â
â
â
fCP = 800 kHz
150 fCP = 400 kHz
ns
3
ns
3
â
â
â
â
â
â
2
â
2
â
2
â
75
fCP = 800 kHz
150 fCP = 400 kHz
75
fCP = 800 kHz
â
â
â
ns
3
ns
3
ns
t cyc /
t subcyc
t cyc /
t subcyc
t cyc
3
4, 6
4, 6
4
81
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