PCA9539DB - TI

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

Part No

PCA9539DB
Manufacturer

TI
ChipWorker Part#

CW60675804
Category

Interface IC, Interface Controller
Package

SSOP-24
Description

I2C/SMBus GPIO Expander 400kHz 5.5V 24Pin SSOP Tube
Documentation

Datasheet

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PCA9539DB Specifications

Attribute	Attribute Value

Part Number	PCA9539DB
Manufacturer	TI
ChipWorker Part#	CW60675804
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	SSOP-24
Supply Voltage (DC)	2.30V ~ 5.50V
Number of Outputs	16 Output
Output Current	25 mA
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
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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 PCA9539 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
• Active-Low Reset Input
• 5-V Tolerant I/O Ports
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Polarity Inversion Register
• Address by Two Hardware Address Pins for Use of up to Four Devices
• 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)
– 1000-V Charged-Device Model (C101)

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