9557 查看數據表（PDF） - NXP Semiconductors.

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9557

8-bit I2C-bus and SMBus I/O port with reset

NXP Semiconductors. 

NXP Semiconductors

PCA9557

8-bit I2C-bus and SMBus I/O port with reset

VDD

3.3 V

5V

VDD

IOn

LED

100 kΩ

VDD

LED

IOn

002aac660

002aac661

Fig 19. High value resistor in parallel with Fig 20. Device supplied by a lower voltage

the LED

10. Limiting values

Table 9. Limiting values

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

Symbol Parameter

Conditions

VDD

VI

II

IIHL(max)

supply voltage

input voltage

input current

maximum allowed input current

VI ≥ VDD or VI ≤ VSS

through protection diode (IO1 to IO7)

VI/O

voltage on an input/output pin

I/O as an input, except IO0

IO0 as an input

II/O

input/output current

IO0 as an input

IO(IOn)

IDD

ISS

Ptot

Tstg

Tamb

output current on pin IOn

supply current

ground supply current

total power dissipation

storage temperature

ambient temperature

operating

Min

−0.5

VSS − 0.5

-

-

VSS − 0.5

VSS − 0.5

-

-

-

-

-

-

−65

−40

Max

+6

5.5

±20

±400

5.5

5.5

+400

−20

±50

85

100

200

+150

+85

Unit

V

V

mA

µA

V

V

µA

mA

mA

mA

mA

mW

°C

°C

PCA9557

Product data sheet

Rev. 06 — 11 June 2008

© NXP B.V. 2008. All rights reserved.

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