PCF8811USLASH2DASLASH1 datasheet(43/73 Pages) PHILIPS

43 / 73 page

2004 May 17

Philips Semiconductors

Product speciﬁcation

× 128 pixels matrix LCD driver

PCF8811

Notes

1. The maximum possible VLCD voltage that may be generated is dependent on voltage, temperature and (display) load.

2. Valid for values of temperature, VPR and TC used at calibration.

3. During power-down all static currents are switched off.

4. Conditions are: VDD1 = 1.8 V, VDD2 = 2.7 V, VLCD = 8.05 V, voltage multiplier 4VDD2, inputs at VDD1 or VSS, interface

inactive, internal VLCD generation, VLCD output is loaded by 10 µA and Tamb =25 °C.

5. Normal mode.

6. TC7 can only be used when VDD2 =VDD3 = 2.4 V or higher.

17 AC CHARACTERISTICS

VDD1 = 1.7 V to 3.3 V; VSS =0V; VLCD = maximum 9.0 V; Tamb = −40 °C to +85 °C; note 1; unless otherwise specified.

Notes

1. All specified timings are based on 20 % and 80 % of VDD.

2. RES may be LOW before VDD goes HIGH.

TC6

VLCD temperature coefﬁcient 6

−−1.25 × 10−3

−

°C

TC7

VLCD temperature coefﬁcient 7 note 6

−−1.66 × 10−3

−

°C

Parallel interface; VDD1 = 1.8 V to 3.3 V

VIL

LOW-level input voltage

VSS

−

0.2VDD1 V

VIH

HIGH-level input voltage

0.8VDD1 −

VDD1

Serial interface; VDD1 = 1.7 V to 3.3 V

VIL

LOW-level input voltage

VSS

−

0.2VDD1 V

VIH

HIGH-level input voltage

0.8VDD1 −

VDD1

I2C-bus interface; VDD1 = 1.8 V to 3.3 V

IOL(SDA)

LOW-level output current at

pin SDA

VOL = 0.4 V; VDD1 >2V

−−

3mA

VOL = 0.2VDD1; VDD1 <2V

−−

2mA

VIL

LOW-level input voltage

VSS

−

0.3VDD1 V

VIH

HIGH-level input voltage

0.7VDD1 −

VDD1

Output levels for all interfaces

VOL

LOW-level output voltage

IOL = 0.5 mA

VSS

−

0.2VDD1 V

VOH

HIGH-level output voltage

IOH = −0.5 mA

0.8VDD1 −

VDD1

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

fext

external clock frequency

−

200

−

kHz

fframe

frame frequency

Tamb =25 °C; VDD1 = 2.4 V

546066Hz

tVHRL

VDD to RES LOW

see Fig.43

0(2)

−

µs

tRW

RES LOW pulse width

see Fig.43

500

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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