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PCAL6408AEX1Z Interface - I/O Expanders by NXP Semiconductors

PCAL6408AEX1Z is a Interface - I/O Expanders from NXP Semiconductors in 16-X2QFN packaging. It is commonly reviewed for Active low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.

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PCAL6408AEX1Z Interface - I/O Expanders by NXP Semiconductors | TrustCompo
Pictures are for reference only. Please contact us for the latest pictures.
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Key specifications

Part Number

PCAL6408AEX1Z

Internal code

TCE000097716

Package

16-X2QFN

Key specifications

Series

PCAL6408A

Min Quantity

1

Description

Active low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement.

key Attributes

-

Trust signals

Quality and trust signals

Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.

4 certifications
  • ISO 9001

    Quality management processes for more consistent sourcing and handling.

  • AS9120B

    Aerospace-focused distribution controls for traceability and reliability.

  • ISO 14001

    Environmental management discipline across warehouse and operating workflows.

  • ESD Control

    Electrostatic handling standards to help protect sensitive components.

RFQ checklist

Order process

Confirm the core buying details for PCAL6408AEX1Z before RFQ, PO release, and shipment planning.

  1. 1

    Confirm MPN

    Use the exact part number, manufacturer, package, and approval constraints in the RFQ.

  2. 2

    Check stock and price

    Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.

  3. 3

    Align documents

    Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.

  4. 4

    Arrange shipment

    Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.

Before PO release

Part confirmation

  • Exact MPN confirmed: PCAL6408AEX1Z
  • Package to verify: 16-X2QFN

Commercial confirmation

  • Live stock and lead time confirmed by RFQ
  • Final price and tax terms confirmed before PO release

Fulfillment & documents

  • Ship-from location: Hong Kong warehouse
  • Shipping method: DHL, FedEx, UPS, or buyer forwarder account

Product overview

Product overview

Review the sourcing context for PCAL6408AEX1Z from NXP Semiconductors, including product identity, application fit, package notes, and purchasing considerations.

PCAL6408AEX1Z is an active NXP low-voltage translating 8-bit I2C and SMBus GPIO expander in 16-X2QFN. NXP names it as the recommended replacement for multiple 2026 EOL PCA8574, PCA9554, PCA9557, PCA9574, and PCA9674 package variants. It should be treated as a functional migration target because package, reset behavior, voltage domains, and register details may differ from legacy boards.

Technical parameters

Parameters

Compare grouped PCAL6408AEX1Z parameters from NXP Semiconductors, including package, series, key attributes, and technical values used for engineering and sourcing review.

  • Product Parameter

    Function

    8-bit low-voltage translating GPIO expander

  • Product Attribute

    Number Of I/O

    8

  • Product Attribute

    Lifecycle Status

    Active

  • Product Attribute

    Clock Frequency

    400 kHz

  • Product Attribute

    Manufacturer

    NXP USA Inc.

  • Product Attribute

    Interface

    I2C / SMBus

PCAL6408AEX1Z Product Parameter
ParameterValue
Function

Specifies the logical or operational function of the component, such as switching, amplification, or regulation. This attribute helps identify the device's role in a circuit. Verify the function against the datasheet to ensure it matches your application requirements.

8-bit low-voltage translating GPIO expander
PCAL6408AEX1Z Product Attribute
ParameterValue
Number Of I/O

Total number of input/output pins or channels available on the device. Determines connectivity and interface capability. Verify against your system requirements and datasheet to ensure sufficient I/O for your application.

8
Lifecycle Status

Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.

Active
Clock Frequency

Operating frequency of the clock signal that drives the device. Determines processing speed and timing accuracy. Compare with your system's required clock rate and check the datasheet for maximum and typical values.

400 kHz
Manufacturer

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

NXP USA Inc.
Interface

Specifies the communication protocol or interface type used by the component, such as I2C, SPI, UART, or USB. This determines how the device connects to a microcontroller or system. Verify compatibility with your host controller and bus voltage levels before design-in.

I2C / SMBus
Supply Voltage

Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.

1.65 V to 5.5 V
Package / Case

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

16-X2QFN

Datasheet preview

Datasheet PDF viewer

Preview the PCAL6408AEX1Z datasheet from NXP Semiconductors to check package, electrical characteristics, application notes, and document evidence before RFQ.

NXP Semiconductors

PCAL6408AEX1Z

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Notice documents

PCN / product notice documents

0 documents

No public PCN / PDN records currently displayed

No public product notice document is currently displayed for PCAL6408AEX1Z. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.

Cross-reference and alternatives

Alternatives and cross-reference

Review mapped alternatives for PCAL6408AEX1Z from NXP Semiconductors. Compare replacement type, package, lifecycle status, stock, datasheet availability, and sourcing context before RFQ or engineering approval.

PCAL6408AEX1Z Parameter comparison
Parameter comparison
Current part
PCAL6408AEX1Z

NXP Semiconductors

FunctionalLTB
PCA9554BS,118

NXP Semiconductors

FunctionalLTB
PCA9554D,118

NXP Semiconductors

FunctionalLTB
PCA9554DB,118

NXP Semiconductors

FunctionalLTB
PCA8574D,518

NXP Semiconductors

FunctionalLTB
PCA8574PW,118

NXP Semiconductors

Part NumberPCAL6408AEX1ZPCA9554BS,118PCA9554D,118PCA9554DB,118PCA8574D,518PCA8574PW,118
ManufacturerNXP SemiconductorsNXP SemiconductorsNXP SemiconductorsNXP SemiconductorsNXP SemiconductorsNXP Semiconductors
CategoryIntegrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)Integrated Circuits (ICs)
SubcategoryInterface - I/O ExpandersInterface - I/O ExpandersInterface - I/O ExpandersInterface - I/O ExpandersInterface - I/O ExpandersInterface - I/O Expanders
Package16-X2QFN16-HVQFN16-SOIC16-SSOP16-SOIC16-TSSOP
SeriesPCAL6408APCA9554PCA9554PCA9554PCA8574PCA8574
Key Attributes------
DescriptionActive low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement.8-bit I2C/SMBus I/O expander in 16-HVQFN, listed by NXP for 2026 last-time buy.8-bit I2C/SMBus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.8-bit I2C/SMBus I/O expander in 16-SSOP, listed by NXP for 2026 last-time buy.8-bit I2C-bus I/O expander in 16-SOIC, listed by NXP for 2026 last-time buy.8-bit I2C-bus I/O expander in 16-TSSOP, listed by NXP for 2026 last-time buy.
LifecycleActiveLTBLTBLTBLTBLTB
Stock30,00020,00020,00020,00020,00020,000
Available20,00012,00012,00012,00012,00012,000
Min Order111111
DatasheetAvailableAvailableAvailableAvailableAvailableAvailable
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Common questions

Product FAQ

Targeted answers for buyers verifying the exact PCAL6408AEX1Z ordering code, packaging, stock, datasheet, and replacement path.

What does PCAL6408AEX1Z mean?

PCAL6408AEX1Z is the exact ordering code listed for a Interface - I/O Expanders component from NXP Semiconductors. The current package reference is 16-X2QFN, with listed context including Active low-voltage translating 8-bit I2C/SMBus GPIO expander used as NXP functional replacement.. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.

How should buyers verify the PCAL6408AEX1Z ordering code?

Treat PCAL6408AEX1Z as the full ordering code during RFQ and engineering review. Confirm the listed 16-X2QFN package, manufacturer documentation from NXP Semiconductors, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.

What package is PCAL6408AEX1Z supplied in?

PCAL6408AEX1Z is currently listed with package reference 16-X2QFN from NXP Semiconductors. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.

Is PCAL6408AEX1Z currently available?

PCAL6408AEX1Z is currently marked with stock availability on this page. Before ordering, confirm the package (16-X2QFN), listed stock (30000), available quantity (20000), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.

Where can I compare PCAL6408AEX1Z alternatives?

Use the PCAL6408AEX1Z cross-reference page to compare mapped alternatives, replacement type, package, lifecycle, stock, and pin-to-pin replacement notes before RFQ or engineering approval.