PCF8820 datasheet(30/60 Pages) PHILIPS

30 / 60 page

2000 Dec 07

Philips Semiconductors

Product speciﬁcation

× 101 Grey-scale/ECB colour dot matrix

LCD driver

PCF8820

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 60134); note 1.

Note

1. All voltages are referred to VSS = 0 V. Stress above one or more of the limiting values may cause permanent damage

to the device. These are stress ratings only and operation of the device at these or at any other conditions above

those given in the Characteristics sections of the speciﬁcation is not implied. Exposure to limiting values for extended

periods may affect device reliability. Parameters are valid over operating temperature range unless otherwise

speciﬁed.

10 HANDLING

Inputs and outputs are protected against electrostatic discharge in normal handling. However, it is good practice to take

normal precautions appropriate to handling MOS devices (see

“Handling MOS devices”).

11 CHARACTERISTICS

VDD1 = 2.5 to 5.5 V; VDD2 =VDD3 = 2.7 to 5.5 V; VSS1 =VSS2 =0V; VLCDIN = 4.5 to 14.5 V; Tamb = −40 to +85 °C;

unless otherwise speciﬁed.

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

VDD

supply voltage

−0.5

+6.5

VLCDIN

supply voltage for the LCD

−0.5

+15

voltage on

any VLCD related pin

−0.5

VLCDIN + 0.5

any other pin

−0.5

VDD1 + 0.5

DC input current

−10

+10

DC output current

−10

+10

ISS

ground supply current

−50

+50

Ptot

total power dissipation

−

100

P/out

power dissipation per output

−

Tamb

ambient temperature

−40

+85

°C

Tstg

storage temperature

−65

+150

°C

junction temperature

−

150

°C

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VDD1

supply voltage 1 of logic

circuits

2.5

−

5.5

VDD2

supply voltage 2 of voltage

multiplier

2.7

−

5.5

VDD3

supply voltage 3 of voltage

multiplier

2.7

−

5.5

VLCDIN

supply voltage of LCD

graphic mode

7.0

−

14.5

partial screen mode;

note 1

VDD

−

14.5

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