PCF8579TSLASH1 datasheet(24/41 Pages) NXP

24 / 41 page

PCF8579_5

Product data sheet

Rev. 05 — 11 May 2009

24 of 41

NXP Semiconductors

PCF8579

LCD column driver for dot matrix graphic displays

The display status (all dots on or off and normal or inverse video) is set by the bits E[1:0]

of the set-mode command. For bank switching, the RAM bank corresponding to the top of

the display is set by the bits B[1:0] of the set-start-bank command. This is shown in

Figure 18. This feature is useful when scrolling in alphanumeric applications.

Limiting values

[1]

According to the NXP store and transport conditions (document

SNW-SQ-623) the devices have to be

stored at a temperature of +5

°C to +45 °C and a humidity of 25 % to 75 %.

Table 13.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

−0.5

+8.0

VLCD

LCD supply voltage

VDD − 11

+8.0

input voltage

VDD related;

on pins SDA, SCL,

CLK, TEST, SA0

and OSC

−0.5

+8.0

VLCD related;

V3 and V4

VDD − 11

+8.0

output voltage

VDD related;

SYNC and CLK

−0.5

+8.0

VLCD related;

R0 to R7, R8/C8 to

R31/C31 and C32

to C39

VDD − 11

+8.0

input current

−10

+10

output current

−10

+10

IDD

supply current

−50

+50

IDD(LCD)

LCD supply current

−50

+50

ISS

ground supply current

−50

+50

Ptot

total power dissipation

per package

400

output power

100

Tstg

storage temperature

[1]

−65

+150

°C

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