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HD404344R Datasheet, PDF (93/102 Pages) Renesas Technology Corp – 4-bit microcomputer has an A/D converter
HD404344R Series/HD404394 Series
AC Characteristics (HD404344R, HD404342R, HD404341R, HD40C4344R, HD40C4342R,
HD40C4341R: VCC = 2.5 to 5.5 V, GND = 0 V, Ta = –20 to +75°C, HCD404344R, HCD40C4344R:
VCC = 2.5 to 5.5 V, GND = 0 V, Ta = +75°C, HD404394, HD404392, HD404391, HD4074344,
HD4074394: VCC = 2.7 to 5.5 V, GND = 0 V, Ta = –20 to +75°C, unless otherwise specified)
Item
Symbol Pins
Clock oscillation frequency fOSC
(ceramic oscillator)
OSC1, OSC2
Clock oscillation frequency fOSC
(resistor oscillator)
OSC1, OSC2
Instruction cycle time
tcyc
(external clock, ceramic
oscillator)
Instruction cycle time
tcyc
(resistor oscillator)
Oscillation setting time tRC
(external clock)
OSC1, OSC2
Oscillation setting time tRC
(ceramic oscillator)
OSC1, OSC2
Oscillation setting time tRC
(resistor oscillator)
OSC1, OSC2
External clock high-level tCPH
width
OSC1
External clock low-level tCPL
width
OSC1
External clock rise time tCPr
External clock fall time
tCPf
INT0, EVNB high-level
tIH
width
OSC1
OSC1
INT0, EVNB
INT0, EVNB low-level
tIL
width
INT0, EVNB
RESET low-level width
STOPC low-level width
RESET rise time
STOPC rise time
tRSTL
tSTPL
tRSTr
tSTPr
RESET
STOPC
RESET
STOPC
Min Typ Max Unit Test Condition Note
0.4 — 4.5 MHz Division by 4
1.0 2.0 3.5 MHz Division by 4
Rf = 20 kΩ
0.89 — 10 µs Division by 4
1.14 —
4.0 µs
Division by 4
Rf = 20 kΩ
— — 2 ms
1
— — 2 ms
1
— — 0.5 ms Rf = 20 kΩ
92 — — ns
1, 11
2
92 — — ns
2
— — 20 ns
2
— — 20 ns
2
2
— — tcyc
3
2
— — tcyc
3
2
— — tcyc
4
1
— — tRC
5
— — 20 ms
4
— — 20 ms
5
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