PCD8544 datasheet(19/32 Pages) PHILIPS

19 / 32 page

1999 Apr 12

Philips Semiconductors

Product speciﬁcation

× 84 pixels matrix LCD controller/driver

PCD8544

Notes

1. The maximum possible VLCD voltage that may be generated is dependent on voltage, temperature and (display) load.

2. Internal clock.

3. RAM contents equal ‘0’. During power-down, all static currents are switched off.

4. If external VLCD, the display load current is not transmitted to IDD.

5. Tolerance depends on the temperature (typically zero at 27

°C, maximum tolerance values are measured at the

temperate range limit).

LCD supply voltage generator

VLCD

VLCD tolerance internally

generated

VDD = 2.85 V; VLCD = 7.0 V;

fSCLK =0;

display load = 10

µA; note 5

−

300

TC0

VLCD temperature coefﬁcient 0

VDD = 2.85 V; VLCD = 7.0 V;

fSCLK =0;

display load = 10

µA

−

mV/K

TC1

VLCD temperature coefﬁcient 1

VDD = 2.85 V; VLCD = 7.0 V;

fSCLK =0;

display load = 10

µA

−

mV/K

TC2

VLCD temperature coefﬁcient 2

VDD = 2.85 V; VLCD = 7.0 V;

fSCLK =0;

display load = 10

µA

−

mV/K

TC3

VLCD temperature coefﬁcient 3

VDD = 2.85 V; VLCD = 7.0 V;

fSCLK =0;

display load = 10

µA

−

mV/K

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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