CF5705 series

NIPPON PRECISION CIRCUITS—1

NIPPON PRECISION CIRCUITS INC.

Analog Watch Stepping Motor Driver

OVERVIEW

The CF5705 series is a low-current analog watch stepping motor driver CMOS IC with built-in 32.768 kHz

crystal oscillator circuit.

FEATURES

s

32.768 kHz crystal oscillator circuit

s

−3.6 to −1.2 V operating supply voltage range

s

Operating current consumption

Note: Current consumption depends on the built-in capacitor.

s

Reset function

4 Hz and subsequent frequency dividers are reset

SERIES LINEUP

PART NUMBER GUIDE

ORDERING INFORMATION

V ersion

P ad coordinates

Motor

Built-in

12345678

Cyc le

(Tcy/2)

sec

Pulse

(Tpw)

sec

Test

(Tcy)

sec

pF

pF

CF5705AA

X T

X T N

RESET

VSS

TEST

OUT2

OUT1

V D D

1

4.9m

125m

4

1 6

CF5705BC

V S S

RESET

X T

XTN

V D D

OUT2

OUT1

TEST

250m

23.4m

125m

4

2 6

CF5705AD

X T

X T N

RESET

VSS

TEST

OUT2

OUT1

V D D

1

23.4m

125m

4

3 0

CF5705AE

X T

X T N

RESET

VSS

TEST

OUT2

OUT1

V D D

2 0

5.9m

125m

4

1 6

CF5705CF

V S S

TEST

X T N

XT

V D D

OUT2

OUT1

RESET

1

4.9m

62.5m

4

1 6

CF5705CG

V S S

TEST

X T N

XT

V D D

OUT2

OUT1

RESET

1

3.9m

62.5m

4

1 6

D e vice

P a ck ag e

CF5705

××

Chip form

Function(Motor, Built-in capacitor)

CF5705

Pad coordinate