PCA9547 datasheet(15/26 Pages) TI

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PCA9547_2

Product data sheet

Rev. 02 — 12 September 2006

15 of 26

Philips Semiconductors

PCA9547

8-channel I2C-bus multiplexer with reset

[1]

For operation between published voltage ranges, refer to the worst-case parameter in both ranges.

[2]

VDD must be lowered to 0.2 V in order to reset part.

Table 7.

Static characteristics

VDD = 4.5 V to 5.5 V; VSS = 0 V; Tamb = −40 °C to +85 °C; unless otherwise speciﬁed.

See Table 6 on page 14 for VDD = 2.3 V to 3.6 V.[1]

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

VDD

supply voltage

4.5

5.5

IDD

supply current

operating mode; VDD = 5.5 V;

no load; VI =VDD or VSS;

fSCL = 100 kHz

100

µA

Istb

standby current

Standby mode; VDD = 5.5 V;

no load; VI =VDD or VSS

0.6

µA

VPOR

power-on reset voltage

no load; VI =VDD or VSS

[2] -

1.7

2.1

Input SCL; input/output SDA

VIL

LOW-level input voltage

−0.5

+0.3VDD

VIH

HIGH-level input voltage

0.7VDD

-6

IOL

LOW-level output current

VOL = 0.4 V

VOL = 0.6 V

IIL

LOW-level input current

VI =VSS

µA

IIH

HIGH-level input current

VI =VSS

µA

input capacitance

VI =VSS

-14

Select inputs A0, A1, A2, RESET

VIL

LOW-level input voltage

−0.5

+0.3VDD

VIH

HIGH-level input voltage

0.7VDD

-VDD + 0.5

ILI

input leakage current

pin at VDD or VSS

−1-

µA

input capacitance

VI =VSS

-2

Pass gate

Ron

ON-state resistance

multiplexer; VDD = 4.5 V to 5.5 V;

VO = 0.4 V; IO =15mA

4924

Ω

Vo(mux)

multiplexer output voltage

Vi(mux) =VDD = 5.0 V;

Io(mux) = −100 µA

3.6

Vi(mux) =VDD = 4.5 V to 5.5 V;

Io(mux) = −100 µA

2.6

4.5

leakage current

VI =VDD or VSS

−1-

µA

Cio

input/output capacitance

VI =VSS

-3

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