Alternatives to Texas Instruments TCA6424ARGJR
Texas Instruments TCA6424ARGJR and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 TCA6424ARGJRTexas Instruments |  PCAL6524HEAZNXP Semiconductors |  PI4IOE5V6524ZHEXDiodes Incorporated | +1more | |
|---|---|---|---|---|
| FFF Compatibility | The pin assignments match the target part identically across all 32 pins, and both parts share the same 5x5mm 32-terminal footprint.Both components are housed in an ultra-thin 32-terminal QFN style package (HUQFN vs UQFN) with matching 5.00 mm x 5.00 mm dimensions and 0.50 mm pitch.Provides 24-bit general-purpose I/O expansion, supports dual power-supply translation, and fully meets or exceeds all electrical characteristics of the target. | The 32-TQFN pin assignments are identical to the target's UQFN-32 layout, enabling board placement without layout modifications.Both components are in 32-lead 5.00 mm x 5.00 mm packages with equivalent lead pitches and thermal land layouts.Performs the identical 24-bit GPIO expansion function, offering the same dual-voltage level translation and identical electrical ratings. | ||
 AI Summary | TCA6424ARGJR by Texas Instruments: I/O Expander 24 I2C, SMBus 400 kHz 32-UQFN (5x5). | The PCAL6524HEAZ is a high-performance second-source alternative that offers direct pin-to-pin drop-in compatibility with the TCA6424ARGJR. It also features NXP's Agile I/O enhancement set and supports higher SCL clock speeds up to 1 MHz.
| The PI4IOE5V6524ZHEX is an excellent, fully pin-compatible substitute from Diodes Incorporated. It mirrors the exact footprint and pin assignment of the TCA6424ARGJR while boosting maximum I2C communication speeds up to 1 MHz.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | I/O Expander 24 I2C, SMBus 400 kHz 32-UQFN (5x5) | I/O Expander 24 I2C 1 MHz 32-HUQFN (5x5) | I/O Expander 24 I2C 1 MHz 32-TQFN (5x5) | |
| Manufacturer | Texas Instruments | NXP Semiconductors | Diodes Incorporated | |
| Type | Interface | Interface | Interface | |
| Datasheet | Open | Open | Open | |
| Lead Time | 16 weeks | 30 weeks | 12 weeks | |
| Country of Origin | TH | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0070 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Features | POR | - | - | |
| Interface | I2C, SMBus | - | - | |
| Output Type | Push-Pull | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Number of I/O | 24 | - | - | |
| Package / Case | 32-UFQFN Exposed Pad | - | - | |
| Clock Frequency | 400 kHz | - | - | |
| Interrupt Output | Yes | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 TCA9546APWRTexas Instruments | In stock | Active | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Texas Instruments TCA6424ARGJR is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Texas Instruments TCA6424ARGJR are the PCAL6524HEAZ (NXP Semiconductors) and the PI4IOE5V6524ZHEX (Diodes Incorporated), out of 3 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the TCA6424ARGJR are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The TCA6424ARGJR (Texas Instruments) is a part in the Interface category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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