PCF2105MUSLASH2 datasheet(27/48 Pages) PHILIPS

27 / 48 page

1998 Jul 30

Philips Semiconductors

Product speciﬁcation

LCD controller/driver

PCF2105

14 DC CHARACTERISTICS

VDD = 2.5 to 6 V; VSS =0V; VLCD =VDD − 3.5 to VDD − 9 V; Tamb = −40 to +85 °C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VDD

logic supply voltage

2.5

−

6.0

VLCD

LCD supply voltage

VDD − 9

−

VDD − 3.5 V

IDD(ext)

external supply current

note 1

−

200

500

µA

VDD =5V; VOP =9V;

fosc = 150 kHz;

Tamb =25 °C

−

200

300

µA

VDD =3V; VOP =5V;

fosc = 150 kHz;

Tamb =25 °C

−

150

200

µA

II(LCD)

input current on VLCD

note 1

−

100

µA

VPOR

Power-on reset voltage level

note 2

−

1.3

1.8

Logic

VIL

LOW-level input voltage on pads E,

RS, R/W, DB7 to DB0 and SA0

VSS

−

0.3VDD

VIH

HIGH-level input voltage on pads E,

RS, R/W, DB7 to DB0 and SA0

0.7VDD

−

VDD

VIL(OSC)

LOW-level input voltage on pad OSC

VSS

−

VDD − 1.5 V

VIH(OSC)

HIGH-level input voltage on pad OSC

VDD − 0.1 −

VDD

Ipu

pull-up current on pads DB7 to DB0,

RS and R/W

pads set to logic 0 (VSS)

0.04

0.15

1.00

µA

IOL(DB)

LOW-level output current on

pads DB7 to DB0

VOL = 0.4 V; VDD =5V

1.6

−−

IOH(DB)

HIGH-level output current on

pads DB7 to DB0

VOH =4V; VDD =5V

−1.0

−−

leakage current on pads DB7 to DB0,

OSC, E, RS, R/W and SA0

pads set to logic 0 (VSS)

or logic 1 (VDD)

−1

−

µA

I2C-bus

SDA and SCL

VIL

LOW-level input voltage

note 3

VSS

−

0.3VDD

VIH

HIGH-level input voltage

note 3

0.7VDD

−

VDD

leakage current

pads set to logic 0 (VSS)

or logic 1 (VDD)

−1

−

µA

input capacitance

note 4

−−

7pF

IOL(SDA)

LOW-level output current on SDA

VOL = 0.4 V; VDD =5V

−−

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