PCA9502 datasheet(14/25 Pages) PHILIPS

14 / 25 page

PCA9502_3

Product data sheet

Rev. 03 — 13 October 2006

14 of 25

NXP Semiconductors

PCA9502

8-bit I/O expander with I2C-bus/SPI interface

12. Static characteristics

Table 15.

Static characteristics

VDD = (2.5 V ± 0.2 V) or (3.3 V ± 0.3 V); Tamb = −40 °Cto+85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

VDD = 2.5 V

VDD = 3.3 V

Unit

Min

Max

Min

Max

Supplies

VDD

supply voltage

2.3

2.7

3.0

3.6

IDD

supply current

operating; no load

750

µA

static; no load

600

µA

Inputs I2C/SPI

VIH

HIGH-level input voltage

1.6

5.5[1]

2.0

5.5[1]

VIL

LOW-level input voltage

0.6

0.8

leakage current

input; VI = 0 V or 5.5 V[1]

-1-1

µA

input capacitance

-3-3

Output SO

VOH

HIGH-level output voltage

IOH = −400 µA

1.85

IOH = −4 mA

2.4

VOL

LOW-level output voltage

IOL = 1.6 mA

0.4

IOL = 4 mA

0.4

output capacitance

-4-4

Inputs/outputs GPIO0 to GPIO7

VIH

HIGH-level input voltage

1.6

5.5[1]

2.0

5.5[1]

VIL

LOW-level input voltage

0.6

0.8

VOH

HIGH-level output voltage

IOH = −400 µA

1.85

IOH = −4 mA

2.4

VOL

LOW-level output voltage

IOL = 1.6 mA

0.4

IOL = 4 mA

0.4

leakage current

input; VI = 0 V or 5.5 V[1]

-1-1

µA

output capacitance

-4-4

Output IRQ

VOL

LOW-level output voltage

IOL = 1.6 mA

0.4

IOL = 4 mA

0.4

output capacitance

-4-4

I2C-bus input/output SDA

VIH

HIGH-level input voltage

1.6

5.5[1]

2.0

5.5[1]

VIL

LOW-level input voltage

0.6

0.8

VOL

LOW-level output voltage

IOL = 1.6 mA

0.4

IOL = 4 mA

0.4

leakage current

input; VI = 0 V or 5.5 V[1]

-10-10

µA

output capacitance

-7-7

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