PCF8566P datasheet(29/48 Pages) NXP

29 / 48 page

PCF8566_7

Product data sheet

Rev. 07 — 25 February 2009

29 of 48

NXP Semiconductors

PCF8566

Universal LCD driver for low multiplex rates

[1]

Outputs open; inputs at VSS or VDD; external clock with 50 % duty factor; I2C-bus inactive.

[2]

Resets all logic when VDD < VPOR.

[3]

Periodically sampled, not 100 % tested.

[4]

Outputs measured one at a time.

11.1 Typical supply current characteristics

LCD outputs

VBP

voltage on pin BP

BP0 to BP3;

Cbpl = 35 nF

±20

voltage on pin S

S0 to S23;

Csgm = 5 nF

±20

output impedance

on pin BP0 to BP3;

VLCD = VDD − 5 V

[4]

-1

Ω

on pin S0 to S23;

VLCD = VDD − 5 V

[4]

-3

Ω

Table 19.

Static characteristics …continued

VSS = 0 V; VDD = 2.5 V to 6.0 V; VLCD = VDD − 2.5 V to VDD − 6.0 V; Tamb = −40 °C to +85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VLCD = 0 V; fclk(ext) = 200 kHz.

VLCD = 0 V; fclk(ext) = 35 kHz.

Fig 20. Normal mode

Fig 21. Low power mode

mgg397

VDD (V)

IDD

(

µA)

+85

°C

−40 °C

mgg398

VDD (V)

IDD

(

µA)

−40 °C

+85

°C

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