PCA1461 データシートの表示（PDF） - NXP Semiconductors.

部品番号

コンポーネント説明

一致するリスト

PCA1461

32 kHz watch circuits with adaptive motor pulse

NXP Semiconductors. 

Philips Semiconductors

32 kHz watch circuits with adaptive motor

pulse

Product specification

PCA146x series

TIMING PARAMETERS

SYMBOL

PARAMETER

SECTION

VALUE

tT

tP

tDF

tONL

tv

tSON

tSOFF

tSONF

tAOFF

tLON

tLOFF

tLONF

tE

tE1

tE2

tD

tDS

tDI

tMC

tM1

tM2

tM3

tM4

P

N

tC

tC1

tC2

tT1

tT2

tT3

tDEB

cycle for motor pulse (note 1)

motor pulse width

duty factor

last duty factor on

voltage detection cycle

duty factor on

duty factor off

first duty factor on

additional duty factor off

duty factor on

duty factor off

first duty factor on

EOL sequence

motor pulse width

time between pulses

detection sequence

short-circuited motor

dissipation of energy

measurement cycle

phase 1

phase 2 (measure window)

phase 3

phase 4

positive current polarities

negative current polarities

correction sequence

small pulse width

large pulse width

cycles for motor-pulses in:

test 1

test 2

test 3

debounce time for

RESET = VDD

motor pulse (Figs 2, 3 and 4) 1

7.81

977

61 to 305

level mode

60

silver-oxide mode (Fig.3)

550 to 794

427 to 183

488

lithium mode (Fig.4)

183

305 to 611

672 to 366

244

end-of-life mode

4

tP

31.25

detection (Fig.7)

4.3 to 28.3

977

977

488

244

61

122

61

1

2

correction sequence (Fig.8) tP + 30.27

977

tP

testing

125

31.25

Fig.10

31.25 to 39

14.7 to 123.2

Note

1. No option available when EOL indication is required.

OPTION UNIT

5, 10, 12 or 20 s

3.9 or 5.9

ms

−

µs

−

µs

−

s

−

µs

−

µs

−

µs

−

µs

−

µs

−

µs

−

µs

−

s

−

ms

−

ms

−

ms

−

µs

−

µs

−

µs

−

µs

−

µs

−

µs

−

µs

P<N

2 to 6

−

ms

−

µs

−

ms

−

ms

−

ms

−

ms

−

ms

1998 Apr 21

16

Share Link: