PCA9555BS datasheet(18/34 Pages) NXP

Part #	PCA9555BS

Description	16-bit I2C-bus and SMBus I/O port with interrupt

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Manufacturer	NXP [NXP Semiconductors]

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18 / 34 page

PCA9555_8

Product data sheet

Rev. 08 — 22 October 2009

18 of 34

NXP Semiconductors

PCA9555

16-bit I2C-bus and SMBus I/O port with interrupt

10. Static characteristics

[1]

VDD must be lowered to 0.2 V for at least 5 µs in order to reset part.

Table 14.

Static characteristics

VDD = 2.3 V to 5.5 V; VSS =0V; Tamb = −40 °C to +85 °C; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

2.3

-

5.5

V

IDD

supply current

Operating mode; VDD = 5.5 V; no load;

fSCL = 100 kHz

-

135

200

µA

Istb

standby current

Standby mode; VDD = 5.5 V; no load;

VI =VSS; fSCL = 0 kHz; I/O = inputs

-

1.1

1.5

mA

Standby mode; VDD = 5.5 V; no load;

VI =VDD; fSCL = 0 kHz; I/O = inputs

-

0.25

1

µA

VPOR

power-on reset voltage[1]

no load; VI =VDD or VSS

-

1.5

1.65

V

Input SCL; input/output SDA

VIL

LOW-level input voltage

−0.5

-

+0.3VDD V

VIH

HIGH-level input voltage

0.7VDD

-

5.5

V

IOL

LOW-level output current

VOL = 0.4 V

3

-

mA

IL

leakage current

VI =VDD =VSS

−1-

+1

µA

Ci

input capacitance

VI =VSS

-

6

10

pF

I/Os

VIL

LOW-level input voltage

−0.5

-

+0.3VDD V

VIH

HIGH-level input voltage

0.7VDD

-

5.5

V

IOL

LOW-level output current

VDD = 2.3 V to 5.5 V; VOL = 0.5 V

[2] 8

(8 to 20)

-

mA

VDD = 2.3 V to 5.5 V; VOL = 0.7 V

[2] 10

(10 to 24) -

mA

VOH

HIGH-level output voltage IOH = −8 mA; VDD = 2.3 V

[3] 1.8

-

V

IOH = −10 mA; VDD = 2.3 V

[3] 1.7

-

V

IOH = −8 mA; VDD = 3.0 V

[3] 2.6

-

V

IOH = −10 mA; VDD = 3.0 V

[3] 2.5

-

V

IOH = −8 mA; VDD = 4.75 V

[3] 4.1

-

V

IOH = −10 mA; VDD = 4.75 V

[3] 4.0

-

V

ILIH

HIGH-level input leakage

current

VDD = 5.5 V; VI =VDD

--

1

µA

ILIL

LOW-level input leakage

current

VDD = 5.5 V; VI =VSS

--

−100

µA

Ci

input capacitance

-

3.7

5

pF

Co

output capacitance

-

3.7

5

pF

Interrupt INT

IOL

LOW-level output current

VOL = 0.4 V

3

-

mA

Select inputs A0, A1, A2

VIL

LOW-level input voltage

−0.5

-

+0.3VDD V

VIH

HIGH-level input voltage

0.7VDD

-

5.5

V

ILI

input leakage current

−1-

+1

µA

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