PCA9554CBS datasheet(18/36 Pages) NXP

Part #	PCA9554CBS

Description	Low-voltage 8-bit I2C-bus and SMBus low power I/O port with interrupt, weak pull-up

PDF	36 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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18 / 36 page

PCA9554B_PCA9554C

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Product data sheet

Rev. 1 — 19 September 2012

18 of 36

NXP Semiconductors

PCA9554B; PCA9554C

Low-voltage 8-bit I2C-bus/SMBus low power I/O port

12.1 Typical characteristics

Fig 18. Supply current versus ambient temperature

Fig 19. Standby supply current versus

ambient temperature

Tamb =25 C

Fig 20. Supply current versus supply voltage

Fig 21. Supply current versus number of I/O held LOW

IDD

(μA)

Tamb (°C)

−40

−15

002aah333

VDD = 5.5 V

5.0 V

3.6 V

3.3 V

2.5 V

2.3 V

VDD = 1.8 V

1.65 V

600

800

400

1400

IDD(stb)

(nA)

Tamb (°C)

−40

−15

002aah334

VDD = 5.5 V

5.0 V

3.6 V

3.3 V

200

1000

2.5 V

2.3 V

1.8 V

1.65 V

IDD

(μA)

VDD (V)

1.5

5.5

4.5

2.5

3.5

002aah335

0.6

0.4

0.2

0.8

IDD

(mA)

number of I/O held LOW

002aah212

Tamb = −40 °C

25 °C

85 °C

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