Philips Semiconductors

PCF8563

Real-time clock/calendar

Product specification

16 April 1999

16 of 30

9397 750 04855

© Philips Electronics N.V. 1999. All rights reserved.

9.

Limiting values

Fig 12. Master reads after setting word address (write word address; read data).

handbook, full pagewidth

S

0A

SLAVE ADDRESS

WORD ADDRESS

A

A

SLAVE ADDRESS

acknowledgement

from slave

acknowledgement

from slave

acknowledgement

from slave

R/W

acknowledgement

from master

A

DATA

auto increment

memory word address

MGL409

P

no acknowledgement

from master

1

DATA

auto increment

memory word address

last byte

R/W

S1

n bytes

at this moment master-transmitter

becomes master receiver and

PCF8563 slave-receiver

becomes slave-transmitter

Fig 13. Master reads slave immediately after first byte (read mode).

handbook, full pagewidth

S

1A

SLAVE ADDRESS

DATA

A1

DATA

acknowledgement

from slave

acknowledgement

from master

no acknowledgement

from master

R/W

auto increment

word address

MGL665

auto increment

word address

n bytes

last byte

P

Table 28: Limiting values

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

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

−0.5

+6.5

V

supply current

−50

+50

mA

input voltage on inputs SCL and SDA

−0.5

6.5

V

input voltage on input OSCI

−0.5

V

output voltage on outputs CLKOUT and INT

−0.5

6.5

V

DC input current at any input

−10

+10

mA

DC output current at any output

−10

+10

mA

total power dissipation

−

300

mW

operating ambient temperature

−40

+85

°C

storage temperature

−65

+150

°C