PCA9541ADSLASH01 datasheet(29/45 Pages) NXP

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PCA9541A

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Product data sheet

Rev. 5 — 24 April 2014

29 of 45

NXP Semiconductors

PCA9541A

2-to-1 I2C-bus master selector with interrupt logic and reset

[1]

In order to reset the part, VDD must be lowered to 0.2 V for at least 5 s.

Input SCL_MSTn; input/output SDA_MSTn (upstream and downstream channels)

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

leakage current

VI =VDD or VSS

1-

A

input capacitance

VI =VSS

VDD = 2.3 V to 3.6 V

VDD = 3.6 V to 5.5 V

Select inputs A0 to A3, INT_IN, RESET

VIL

LOW-level input voltage

0.5

+0.3VDD

VIH

HIGH-level input voltage

0.7VDD

-6

ILI

input leakage current

VI =VDD or VSS

1-

A

input capacitance

VI =VSS

VDD = 2.3 V to 3.6 V

VDD = 3.6 V to 5.5 V

Pass gate

Ron

ON-state resistance

VDD = 4.5 V to 5.5 V; VO =0.4 V;

IO =15mA

412



VDD = 3.0 V to 3.6 V; VO =0.4 V;

IO =15mA

514



VDD = 2.3 V to 2.7 V; VO =0.4 V;

IO =10mA

717



Vo(sw)

switch output voltage

Vi(sw) =VDD =5.0 V; Io(sw) = 100 A-

3.6

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

Io(sw) = 100 A

2.6-

4.5V

Vi(sw) =VDD =3.3 V; Io(sw) = 100 A-

2.2

Vi(sw) =VDD = 3.0 V to 3.6 V;

Io(sw) = 100 A

1.6-

2.8V

Vi(sw) =VDD =2.5 V; Io(sw) = 100 A-

1.5

Vi(sw) =VDD = 2.3 V to 2.7 V;

Io(sw) = 100 A

1.1-

2.0V

leakage current

VI =VDD or VSS

1-

A

INT0 and INT1 outputs

IOL

LOW-level output current VOL =0.4 V

Table 17.

Static characteristics …continued

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

PCA9541AD/01 Datasheet(PDF) 29 Page - NXP Semiconductors

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