PCF8535 datasheet(33/52 Pages) PHILIPS

33 / 52 page

1999 Aug 24

Philips Semiconductors

Objective speciﬁcation

× 133 pixel matrix driver

PCF8535

10 DC CHARACTERISTICS

VDD = 4.5 to 5.5 V; VSS =0V; VLCD = 4.5 to 16.0 V; Tamb = −40 to +85 °C; unless otherwise speciﬁed.

Notes

1. LCD outputs are open-circuit, inputs at VDD or VSS, bus inactive, fOSC = typical internal oscillator frequency.

2. Conditions are: VDD1 to VDD3 = 5.0 V, VLCD = 12.0 V and external VLCD.

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

4. Conditions are: VDD1 to VDD3 = 5.0 V, VLCD =VDD2 and external VLCD.

5. Internal VLCD generation or external VLCD.

6. Conditions are: VDD1 to VDD3 = 5.0 V, VLCD = 12.0 V and voltage multiplier = 3VDD.

7. ILCD =10 µA. Outputs tested one at a time.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supplies

VLCDIN

LCD supply voltage

Mux mode 1 : 65

8.0

−

16.0

Mux mode 1 : 49

8.0

−

16.0

Mux mode 1 : 34

−−

16.0

Mux mode 1 : 26

−−

16.0

Mux mode 1 : 17

−−

16.0

ILCDIN

LCD supply current

normal mode; notes 1 and 2

−

µA

normal mode; notes 1 and 4

−

µA

VLCDOUT

generated supply voltage

LCD voltage generator

enabled

−−

16.0

VDD1,

VDD2,

VDD3

supply voltage

4.5

−

5.5

IDD

supply current

power-down mode;

notes 1, 3 and 5

−

210

µA

display off mode;

notes 1 and 5

−−−µA

normal mode; notes 1 and 6

−

160

350

µA

normal mode; notes 1 and 2

−

µA

Logic

VIL

LOW-level input voltage

VSS

−

0.3VDD V

VIH

HIGH-level input voltage

0.7VDD −

VDD

IOL

LOW-level output current (SDA)

VOL = 0.4 V; VDD = 5 V

3.0

−−

leakage current

VI =VDD or VSS

−1

−

µA

Column and row outputs

Ro(col)

column output resistance C0 to C132

VLCD = 12 V; note 7

−−

Ω

Ro(row)

row output resistance R0 to R33

VLCD = 12 V; note 7

−−

3.0

Ω

Vbias(col)

bias tolerance C0 to C132

−100

+100

Vbias(row)

bias tolerance R0 to R64

−100

+100

Temperature coefﬁcient

tcut

cut point temperature

Tamb = −20 to +70 °C

−

−°C

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