PCF8533USLASH2SLASHF2 datasheet(27/45 Pages) NXP

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PCF8533_4

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Product data sheet

Rev. 04 — 5 March 2010

27 of 45

NXP Semiconductors

PCF8533

Universal LCD driver for low multiplex rates

[1]

LCD outputs are open-circuit; inputs at VSS or VDD; external clock with 50 % duty factor; I2C-bus inactive.

[2]

For typical values, see Figure 18.

[3]

For typical values, see Figure 19.

[4]

Not tested, design specification only.

[5]

Cbpl = backplane capacitance.

[6]

Outputs measured individually and sequentially.

[7]

Csgm = segment capacitance.

Output pins S0 to S79

voltage on pin S

Csgm = 5 nF

[7]

−100

+100

resistance on pin S

VLCD = 5 V

[6]

6.0

13.5

Table 16.

Static characteristics …continued

VDD = 1.8 V to 5.5 V; VSS = 0 V; VLCD = 2.5 V to 6.5 V; Tamb = −40 °C to +85 °C; unless otherwise specified.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Tamb =30 °C; 1:4 multiplex; VLCD = 6.5 V; fclk(ext) = 1.536 kHz; all RAM written with logic 1; no

display connected; I2C-bus inactive.

Fig 18. Typical IDD with respect to VDD

VDD (V)

001aal523

IDD

(

μA)

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