HD404618TF datasheet(84/91 Pages) RENESAS

84 / 91 page

HD404618 Series

Item

Symbol

Pin(s)

Min

Typ

Max

Test Condition

Unit

Notes

INT

1 low

width

INT

2—

—

cyc

RESET high

width

RSTH

RESET

—

cyc

Input

capacitance

—

HD4074618:

f = 1 MHz,

in = 0 V

All pins

except D

—

f = 1 MHz,

in = 0 V

RESET fall

time

RSTf

—

Analog

comparator

stabilization

time

CSTB

12, D13

(analog input

mode)

——

cyc

Notes: 1. The oscillation stabilization time is the period required for the oscillator to stabilize after V

reaches 2.7 V (3.0 V for HD4074618) at power-on or after RESET input goes high after stop

mode is cancelled. At power-on or when stop mode is cancelled, RESET must remain high for

at least t

RC to ensure the oscillation stabilization time.

Since t

RC depends on the ceramic

oscillator’s circuit constant and stray capacitance, contact the manufacturer when designing a

reset circuit.

2. The oscillation stabilization time is the period required for the oscillator to stabilize after V

reaches 2.7 V (3.0 V for HD4074618) at power-on. The oscillation stabilization time (t

RC) must be

ensured. If using a crystal oscillator, contact the manufacturer to determine what oscillation

stabilization time is required, since it depends on the circuit constants and stray capacitances.

3. See figure 50.

4. See figure 51. The unit t

cyc applies when the MCU is in standby mode or active mode.

5. See figure 52.

6. The unit t

subcyc applies when the MCU is in watch mode or subactive mode.

subcyc = 244.14 µs (32.768-kHz crystal oscillator)

7. The analog comparator stabilization time is the period required for the oscillator to stabilize and

for correct data to be read after D

12/D13 is input to enter analog input mode.

8. The Max value for the HD404618, HD404616, HD404614, and HD404612 is 15pF.

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