National Semiconductor · Other integrated circuits

PCA9539PWR

Name: PCA9539PWR
Brand: National Semiconductor

PCA95REMO16-BIASMBULOW-POWIEXPAN

A multi-brand MCU and embedded-component workspace. Compare recorded cores, memory, interfaces and packages while retaining firmware, board and manufacturer constraints.

Request this exact part →

PCA9539PWR component illustration — Component illustration · verify actual package in documentation.

PCA9539PWR specifications

Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.

Manufacturer	National Semiconductor
Ordering code	PCA9539PWR
Family	Other integrated circuits
Package	-
Product Status	Obsolete
DigiKey Programmable	Not provided in source
Number of I/O	Not provided in source
Interface	Not provided in source
Interrupt Output	Not provided in source
Features	Not provided in source
Output Type	Not provided in source
Current - Output Source/Sink	Not provided in source
Clock Frequency	Not provided in source
Voltage - Supply	Not provided in source
Operating Temperature	Not provided in source
Mounting Type	Not provided in source
Package / Case	Not provided in source
Supplier Device Package	Not provided in source

Documents and evidence

Request exact-model documentation with your inquiry.

Before sourcing PCA9539PWR

Start from engineering requirements
Record toolchain and firmware dependencies
Verify package, pinout and peripherals
Approve alternatives before procurement

Embedded Design Matcher →

Questions about PCA9539PWR

How do I request a current price?

Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.

Can a related record replace this device?

Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.

Continue your Other integrated circuits review

Filter this family → · Selection resources · Upload your BOM