PCA9555PWRG4 ,Interface IC, Interface Controller - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Popularity Score

69 points

Part No

PCA9555PWRG4
Manufacturer

TI
ChipWorker Part#

CW133365186
Category

Interface IC, Interface Controller
Package

TSSOP-24
Description

I2C/SMBus GPIO Expander 400kHz 5.5V 24Pin TSSOP T/R
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 1.69

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PCA9555PWRG4 Specifications

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Attribute	Attribute Value

Part Number	PCA9555PWRG4
Manufacturer	TI
ChipWorker Part#	CW133365186
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	TSSOP-24
Supply Voltage (DC)	2.30V ~ 5.50V
Number of Outputs	2 Output
Clock Speed	400 kHz
Voltage Nodes	2.70 V, 3.30 V, 3.60 V, 5.00 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.3V ~ 5.5V
	expand all
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Not Recommended for New Designs
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

Description
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].
The PCA9555 consists of two 8-bit Configuration (input or output selection), Input Port, Output Port, and Polarity Inversion (active high or active low operation) registers. At power on, the I/Os are configured as inputs. The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input or Output register. The polarity of the Input Port register can be inverted with the Polarity Inversion register. All registers can be read by the system master.
Features
• Low Standby-Current Consumption of 1 μA Max
• I2C to Parallel Port Expander
• Open-Drain Active-Low Interrupt Output
• 5-V Tolerant I/O Ports
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Address by Three Hardware Address Pins for Use of up to Eight Devices
• Polarity Inversion Register
• Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)

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