PCF8574TSSLASH3 datasheet(15/33 Pages) NXP

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PCF8574_PCF8574A

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Product data sheet

Rev. 5 — 27 May 2013

15 of 33

NXP Semiconductors

PCF8574; PCF8574A

Remote 8-bit I/O expander for I2C-bus with interrupt

11. Limiting values

12. Thermal characteristics

Table 7.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

VDD

supply voltage

0.5

IDD

supply current

100

ISS

ground supply current

100

input voltage

VSS  0.5

VDD +0.5 V

input current

20

output current

25

Ptot

total power dissipation

400

P/out

power dissipation per output

100

Tj(max)

maximum junction temperature

125

C

Tstg

storage temperature

65

+150

C

Tamb

ambient temperature

operating

40

+85

C

Table 8.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction

to ambient

SO16 package

115

C/W

SSOP20 package

136

C/W

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