TCA6416AZQSR
16-bit translating I2C and SMBus I/O expander with interrupt and reset
Key details
| Part Number | TCA6416AZQSR |
|---|---|
| Manufacturer | Texas Instruments |
| Category | I2C GPIO Expander |
| Lifecycle Status | NRND |
| Series | TCA6416A |
| Package / Case | 24-ball ZQS BGA |
| Pin Count | 24 |
| Operating Temperature | -40 C to +85 C |
| Last Verified | 2026-07-24 |
Part information
TCA6416AZQSR Overview
TCA6416AZQSR is a Texas Instruments 16-bit translating I2C and SMBus I/O expander with interrupt and reset supplied in 24-ball ZQS BGA. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| GPIO Count | 16 |
|---|---|
| Supply Range | 1.65 V to 5.5 V |
| Bus Speed | Up to 400 kHz |
| Inputs | 5 V tolerant |
| Control | Interrupt output and active-low reset |
Package and Ordering Notes
The listed package is 24-ball ZQS BGA with 24 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as NRND; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
TCA6416AZQSR is not recommended for new designs. Confirm support for the existing program and qualify a current alternative for new designs.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Texas Instruments documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
TCA6416AZQSR FAQ
What is TCA6416AZQSR?
TCA6416AZQSR is a Texas Instruments 16-bit translating I2C and SMBus I/O expander with interrupt and reset. It belongs to the TCA6416A series.
What are the key specifications of TCA6416AZQSR?
GPIO Count is 16, and Supply Range is 1.65 V to 5.5 V. Refer to the manufacturer datasheet for limits, test conditions and revision-controlled values.
What package does TCA6416AZQSR use?
TCA6416AZQSR is supplied in 24-ball ZQS BGA with 24 pins, leads, balls or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is TCA6416AZQSR still in production?
TCA6416AZQSR is not recommended for new designs. It may remain available for existing programs, but a current-generation alternative should be qualified for new designs.
What should be checked before sourcing TCA6416AZQSR?
Confirm the complete MPN, electrical ratings, package, temperature grade and required quantity. Possible alternatives include TCA6416A supported package or a current 16-bit I2C GPIO expander after checking pinout, but compatibility must be verified independently.
Lifecycle and sourcing review
This part may not be recommended for new designs. Confirm package, electrical requirements, firmware behavior and qualification needs before selecting an alternative.
TCA6416AZQSR is not recommended for new designs. Confirm support for the existing program and qualify a current alternative for new designs.
Potential alternative part numbers
Verify package, pinout, voltage, firmware behavior and qualification before substitution.