PCF8545ATTSLASHA datasheet(46/72 Pages) NXP

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PCF8545

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Product data sheet

Rev. 1 — 13 November 2013

46 of 72

NXP Semiconductors

PCF8545

Universal LCD driver for multiplex rates up to 1:8

13. Static characteristics

Table 33.

Static characteristics

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

1.8

5.5

VLCD

LCD supply voltage

VLCD  VDD

2.5-

5.5V

IDD(pd)

power-down mode supply current

[1] -0.5

A

IDD

supply current

see Figure 37

external 9.6 kHz clock

[2] -10

A

internal oscillator

[2] -30

A

IDD(LCD)

LCD supply current

power-down, see

Figure 38

[1][3] -7

A

display active, see

Figure 39

[4] -55

140

A

Logic

input voltage

VSS  0.5

VDD + 0.5

VIL

LOW-level input voltage

on pins OSCCLK,

A0 and RESET

0.3VDD

VIH

HIGH-level input voltage

on pins OSCCLK,

A0 and RESET

0.7VDD

output voltage

0.5

VDD + 0.5

VOH

HIGH-level output voltage

driving load of 50

A

on pins OSCCLK

0.8VDD

VOL

LOW-level output voltage

driving load of 50

A

on pins OSCCLK

0.2VDD

IOH

HIGH-level output current

output source current;

VOH =VDD  0.4 V

on pin OSCCLK

VDD = 1.8 V

0.7

1.6

VDD  3.3 V

1.5

4.0

IOL

LOW-level output current

output sink current;

VOL =0.4 V

on pin OSCCLK

VDD =1.8 V

VDD  3.3 V

leakage current

Vi =VDD or VSS; on

pin OSCCLK

1-

A

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