PCA9557D I2C Port Expander SOT

PCA9557D I2C Port Expander SOT
Brand: NXP
Product Code: PCA9557D-SOT
Availability: 78
Price: $1.25

3 or more $1.19
5 or more $1.10
10 or more $1.00
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PCA9557D I2C Port Expander SOT


I2C Port Expander

8 general purpose input/output expander/collector

Input/output configuration register


Active HIGH polarity inversion register

 I2C-bus and SMBus interface logic

Internal power-on reset

Noise filter on SCL/SDA inputs

Active LOW reset input

3 address pins allowing up to 8 devices on the I2C-bus/SMBus

High-impedance open-drain on IO0

No glitch on power-up

Power-up with all channels configured as inputs

Low standby current

Operating power supply voltage range of 2.3 V to 5.5 V

5 V tolerant inputs/outputs

0 kHz to 400 kHz clock frequency

Discounts at Qty 3, 5, 10

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