1998 Jul 30

26

Philips Semiconductors

Product specification

LCD controller/driver

PCF2105

12 LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

13 HANDLING

Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is

desirable to take normal precautions appropriate to handling MOS devices (see

“Handling MOS Devices” ).

SYMBOL

PARAMETER

MIN.

MAX.

UNIT

logic supply voltage

−0.5

+8.0

V

LCD supply voltage

V

input voltage on pads OSC, RS, R/W, E and DB0 to DB7

V

V

DC input current on every pad

−10

+10

mA

DC output current on every pad

−10

+10

mA

−50

+50

mA

total power dissipation

−

400

mW

P/out

power dissipation per output

−

100

mW

storage temperature

−65

+150

°C

Fig.22 Master reads slave immediately after first byte; read mode (RS previously defined).

handbook, full pagewidth

MGK850

S

A

0

S

1A

DATA

A

SLAVE

ADDRESS

DATA

acknowledgement

from PCF2105

no acknowledgement

from master

R/W

n bytes

last byte

update

data pointer

acknowledgement

from master