ML610Q421 datasheet(23/37 Pages) LAPIS

23 / 37 page

FEDL610Q421-03

ML610Q421/ML610Q422

DC CHARACTERISTICS (1/5)

(VDD = 1.1 to 3.6V, AVDD = 2.2 to 3.6V, VSS = AVSS = 0V, Ta = −20 to +70°C, Ta = −40 to +85°C for P version, unless otherwise

specified) (1/5)

Parameter

Symbol

Condition

Rating

Unit

Measuring

circuit

Min.

Typ.

Max.

500kHz RC oscillation

frequency

fRC

VDD = 1.3

to 3.6V

Ta = 25

°C

Typ.

−10%

500

Typ.

+10%

kHz

Ta =

−20 to

+70

°C

Typ.

−25%

500

Typ.

+25%

kHz

Ta =

−40 to

+85

°C

Typ.

−45%

500

Typ.

+45%

kHz

PLL oscillation frequency*

fPLL

LSCLK = 32.768kHz

VDD = 1.8 to 3.6V

-2.5%

8.192

+2.5%

MHz

Low-speed crystal oscillation

start time*

TXTL



0.3

500kHz RC oscillation start

time

TRC



500

µs

High-speed crystal oscillation

start time*

TXTH

VDD = 1.8 to 3.6V

―

PLL oscillation start time

TPLL

VDD = 1.8 to 3.6V

―

Low-speed oscillation stop

detect time

TSTOP



0.2

Reset pulse width

PRST



200



µs

Reset noise elimination

pulse width

PNRST



0.3

Power-on reset activation

power rise time

TPOR



1 : When low-speed crystal oscillation stops for a duration more than the low-speed oscillation stop detect time, the system is

reset to shift to system reset mode.

2 : Use 32.768KHz Crystal Oscillator C-001R (Epson Toyocom) with capacitance C

GL/CDL＝0pF.

3 : Use 4.096MHz Crystal Oscillator CHC49SFWB (Kyocera).

4 : 1024 clock average.

[Reset pulse width]

[Power-on reset activation power rise time]

RESET_N

Reset pulse width (PRST)

PRST

VIL1

VDD

0.9xVDD

0.1xVDD

TPOR

Power-on reset activation power rise time (TPOR )

23/37

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