PCF8583P datasheet(19/28 Pages) PHILIPS

19 / 28 page

1997 Jul 15

Philips Semiconductors

Product speciﬁcation

Clock/calendar with 240

× 8-bit RAM

PCF8583

Notes

1. Typical values measured at Tamb =25 °C.

2. When powering-up the device, VDD must exceed 1.5 V until stable operation of the oscillator is established.

3. Event counter mode: supply current dependant upon input frequency.

4. The I2C-bus logic is disabled if VDD <VEN.

5. When the voltages are above or below the supply voltages VDD or VSS, an input current may flow; this current

must not exceed

±0.5 mA.

6. Tested on sample basis.

A0; OSCI

ILI

input leakage current

Vl =VDD or VSS

−250

−

+250

INT

IOL

LOW level output current

VOL = 0.4 V

−−

ILI

input leakage current

Vl =VDD or VSS

−1

−

µA

SCL

input capacitance

note 6

−−

7pF

ILI

input leakage current

VI =VDD or VSS

−1

−

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.(1)

MAX.

UNIT

Fig.20 Typical supply current in clock mode as a function of supply voltage.

handbook, halfpage

246

MRB012

IDDO

(

µA)

(V)

fSCL = 32 kHz; Tamb =25 °C.

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