PCA1676USLASH10 datasheet(4/12 Pages) PHILIPS

4 / 12 page

1998 Apr 03

Philips Semiconductors

Product speciﬁcation

32 kHz watch circuits using a silver-oxide

or a 3 V lithium battery

PCA167x series

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Note

1. Connecting the battery with reversed polarity does not destroy the circuit, but in this condition a large current flows,

which will rapidly discharge the battery.

HANDLING

Inputs and outputs are protected against electrostatic discharges in normal handling. However, to be totally safe, it is

advisable to take handling precautions appropriate to handling MOS devices. Advice can be found in

“Data Handbook IC16, General, Handling MOS Devices”.

CHARACTERISTICS

VDD = 1.55 V; VSS =0V; fosc = 32.768 kHz; Tamb =25 °C; crystal: RS =20kΩ; C1 = 2 to 3 fF; CL = 8 to 10 pF;

C0 = 1 to 3 pF; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VDD

supply voltage

VSS = 0 V; note 1

−1.8

all input voltages

VSS

VDD

output short-circuit duration

indeﬁnite

Tamb

operating ambient temperature

−10

+60

°C

Tstg

storage temperature

−30

+100

°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VDD

supply voltage

Tamb = −10 to +60 °C

1.2

1.5

3.5

∆V

supply voltage variation

transient;

VDD = 1.2 to 3.5 V

−−

0.25

IDD1

supply current

between motor pulses

−

150

250

IDD2

supply current

between motor pulses;

VDD = 3.5 V

−

200

350

IDD3

supply current

stop mode; pin 8

connected to VDD

−

180

300

IDD4

supply current

stop mode; pin 8

connected to VDD;

VDD = 3.5 V

−

300

480

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