PCF1178CUSLASH5 datasheet(9/20 Pages) PHILIPS

9 / 20 page

1997 Apr 16

Philips Semiconductors

Product speciﬁcation

4-digit duplex LCD car clock

PCF1178C

LIMITING VALUES

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

Note

1. Connecting the supply voltage with reverse polarity, will not harm the circuit, provided the current is limited to 10 mA

by an external resistor.

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”.

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VDD

supply voltage

with respect to VSS

−

IDD

supply current

VSS = 0 V; note 1

−

3mA

input voltage

all pins except VPP and DATA

−0.3

VDD + 0.3

pins VPP and DATA

−3VDD + 0.3 V

Tamb

operating ambient temperature

−40

+85

°C

Tstg

storage temperature

−55

+125

°C

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