PCA9557D Texas Instruments - Yeehing Electronics

8-bit 2.3- to 5.5-V I2C/SMBus I/O expander with reset & config registers

Pricing (USD)

Quantity	Unit Price
1 — 99	1.53
100 — 249	1.264
250 — 999	0.908
1,000 +	0.48

The above prices are for reference only.

Specifications

Manufacturer	NXP
Product Category	Interface - I/O Expanders
RoHS	Y
Number of I/Os	8 I/O
Interface Type	I2C, Serial, SMBus
Maximum Clock Frequency	400 kHz
Operating Supply Voltage	2.3 V to 5.5 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT
Package / Case	SO-16
Packaging	Reel
Input Voltage	5 V
Output Current	50 mA
Output Voltage	5 V
Brand	NXP Semiconductors
Logic Family	PCA9557
Logic Type	I2C, SMBus
Pd - Power Dissipation	200 mW
Product Type	I/O Expanders
Factory Pack Quantity	2500
Subcategory	Interface ICs
Part # Aliases	935270674118
Unit Weight	0.005079 oz

For more information, please refer to datasheet

Documents

PCA9557D Datasheet

More Information

This 8-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. The device provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)].