PCA9554DBR ,Interface IC, Interface Controller - TI

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

Popularity Score

75 points

Part No

PCA9554DBR
Manufacturer

TI
ChipWorker Part#

CW12061764
Category

Interface IC, Interface Controller
Package

SSOP-16
Description

I2C/SMBus GPIO Expander 400kHz 5.5V 16Pin SSOP T/R
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 2.67

Buy PCA9554DBR

Stock is limited and changes quickly. Our 24/7 online sales team is ready to respond to your inquiries and orders at any time.

Real stock check

Best price from distributors

Engineer support

PCA9554DBR Global Supplier

{{ supplierTable.supplier }}	{{ supplierTable.part }}	{{ supplierTable.availability }}	MOQ	{{ supplierTable.delivery_date }}

{{viewMore}}
{{viewMore}}
DigiKey	{{noList.partNo}} {{noList.mfr}}	{{ low_stock_text }}	1	{{weeks_text}}
Arrow	{{noList.partNo}} {{noList.mfr}}	{{ low_stock_text }}	1	{{weeks_text}}
Mouser	{{noList.partNo}} {{noList.mfr}}	{{ low_stock_text }}	1	{{weeks_text}}
					{{submitRFQ}}
Chipworker	{{noList.partNo}} {{noList.mfr}}	{{stockAvailability}} {{ search_item }}	{{moq}}	1	6 - 8 {{delivery_date}}

Update Data

Chipworker Certification

ChipWorker Qualifications — ISO 9001, ISO 45001, ISO 14001, MA Certification. Over 11 years of experience, more than 1000 clients in Russia, support for small MOQ

11+ years sourcing experience

1000+ russia customers

ISO certified supplier

Support small MOQ

*Photos of Our Actual 800 m² Warehouse

PCA9554DBR Specifications

Consulting Engineer >>

Attribute	Attribute Value

Part Number	PCA9554DBR
Manufacturer	TI
ChipWorker Part#	CW12061764
Category	Interface IC, Interface Controller
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SSOP-16
Supply Voltage (DC)	2.30V ~ 5.50V
Number of Outputs	8 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	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Similar & Replacement Parts

Similar products

Product Description

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. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL), serial data (SDA)].
The PCA9554 consists of one 8-bit Configuration (input or output selection), Input, Output, and Polarity Inversion (active high or active low) registers. At power on, the I/Os are configured as inputs with a weak pullup to VCC. However, 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.
The system master can reset the PCA9554 in the event of a timeout or other improper operation by utilizing the power-on reset feature, which puts the registers in their default state and initializes the I2C/SMBus state machine.
The PCA9554 open-drain interrupt (INT) output is activated when any input state differs from its corresponding Input Port register state and is used to indicate to the system master that an input state has changed.
INT can be connected to the interrupt input of a microcontroller. By sending an interrupt signal on this line, the remote I/O can inform the microcontroller if there is incoming data on its ports without having to communicate via the I2C bus. Thus, the PCA9554 can remain a simple slave device.
The device"s outputs (latched) have high-current drive capability for directly driving LEDs and low current consumption.
Three hardware pins (A0, A1, and A2) are used to program and vary the fixed I2C address and allow up to eight devices to share the same I2C bus or SMBus.
The PCA9554 is pin-to-pin and I2C address compatible with the PCF8574. However, software changes are required, due to the enhancements in the PCA9554 over the PCF8574.
The PCA9554 and PCA9554A are identical except for their fixed I2C address. This allows for up to 16 of these devices (eight of each) on the same I2C/SMBus.

expand all

Delivery

DHLPrice

UPS

FedEx

TNT

EMS

OCS

SF EXPRESS

Ordering Information

Order Payment Shipping Package Quality Assurance

These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the order page.
- Pre-Shipment Inspection (PSI) will be used when ordering.
- You can check the status of your order in the “My Order” section of your personal account.
- Orders cannot be canceled after the package has been shipped. View more >
- Works with both individual and corporate clients. View more >
- All prices on the website include 22% VAT.
- Invoices are issued in the currency specified, but payment is made in Russian rubles at the exchange rate on the day of payment.
- If you need a detailed invoice or a tax identifier, please contact us.
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more >
- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing