I/O Expanders
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Number of I/O | Interface | Interrupt Output | Features | Output Type | Current - Output Source/Sink | Clock Frequency | Voltage - Supply | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA6416AEVJIC XPND 400KHZ I2C SMBUS 24VFBGA |
2,761 |
|
Datasheet |
- | 24-VFBGA | Tape & Reel (TR) | Active | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-VFBGA (3x3) |
|
MIC74BQS-TRIC XPNDR 100KHZ I2C SMBUS 16QSOP |
4,637 |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
|
DS4520EIC XPNDR 400KHZ I2C 16TSSOP |
1,904 |
|
- |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 9 | I2C | No | EEPROM, POR | Open Drain | 12mA | 400 kHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCA9674ATS,118IC XPNDR 1MHZ I2C 20SSOP |
2,610 |
|
Datasheet |
- | 20-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
|
PCA9674TS,118IC XPNDR 1MHZ I2C 20SSOP |
2,338 |
|
Datasheet |
- | 20-LSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 100µA, 25mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 20-SSOP |
|
PCA9538D,118IC XPNDR 400KHZ I2C SMBUS 16SO |
2,860 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SO |
|
SX1506I091TRTIC XPNDR 400KHZ I2C 28QFN |
2,288 |
|
Datasheet |
- | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
PCA9701HF,118IC XPNDR 5MHZ SPI SERIAL 24HWQFN |
1,858 |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 (Input Only) | SPI Serial | Yes | - | Push-Pull | - | 5 MHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 24-HWQFN (4x4) |
|
PCA9537DP,118IC XPND 400KHZ I2C SMBUS 10TSSOP |
1,427 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 4 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 10-TSSOP |
|
TCA6416RTWRIC XPNDR 400KHZ I2C SMBUS 24WQFN |
4,560 |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-WQFN (4x4) |
|
|
SX1503I091TRTIC XPNDR 400KHZ I2C 28QFN |
1,522 |
|
Datasheet |
- | 28-UFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 8mA, 24mA | 400 kHz | 1.2V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 28-QFN-UT (4x4) |
|
MCP23017T-E/MLVAO16-BIT INPUT/OUTPUT EXPANDER, I2 |
4,928 |
|
Datasheet |
- | 28-VQFN Exposed Pad | Tape & Reel (TR) | Active | - | 16 | I2C | Yes | POR | Open Drain | 25mA | 1.7 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 28-QFN (6x6) |
|
TCA7408ZSZRIC XPNDR 400KHZ I2C SMBUS 16UCSP |
3,077 |
|
Datasheet |
- | 16-UFBGA, CSPBGA | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-UCSP (2x2) |
|
PCA9535PWG4IC XPND 400KHZ I2C SMBUS 24TSSOP |
3,602 |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Discontinued at Digi-Key | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
STMPE1601TBRIC XPNDR 400KHZ I2C 25TFBGA |
3,780 |
|
Datasheet |
Xpander Logic™ | 25-TFBGA | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C | Yes | Keypad Controller, POR, PWM | Open Drain | 4mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 25-TFBGA (3x3) |
|
|
NCT5655WIC XPND 400KHZ I2C SMBUS 24TSSOP |
3,095 |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 16 | I2C, SMBus | Yes | LED Output(s), POR | Open Drain | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
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|
STMPE1801BJRIC XPNDR 400KHZ I2C 25FLIPCHIP |
3,135 |
|
Datasheet |
Xpander Logic™ | 25-WFBGA, WLCSP | Tape & Reel (TR) | Obsolete | Not Verified | 18 | I2C | Yes | Keypad Controller, POR | Push-Pull | 4mA | 400 kHz | 1.65V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 25-FlipChip (2x2) |
|
|
MIC74BQSIC XPNDR 100KHZ I2C SMBUS 16QSOP |
1,389 |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Bulk | Discontinued at Digi-Key | Not Verified | 8 | I2C, SMBus | Yes | Fan Speed Controller | Open Drain, Push-Pull | 7mA, 10mA | 100 kHz | 2.7V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
|
PCF8574APWG4IC XPNDR 100KHZ I2C 20TSSOP |
4,539 |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
|
|
PCF8574PWG4IC XPNDR 100KHZ I2C 20TSSOP |
1,532 |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Not Verified | 8 | I2C | Yes | POR | Push-Pull | 1mA, 25mA | 100 kHz | 2.5V ~ 6V | -40°C ~ 85°C | - | - | Surface Mount | 20-TSSOP |
I/O Expanders Electronic Components Sourcing and Lifecycle Support
FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing I/O Expanders components, we support both current production requirements and long-term component availability across demanding product lifecycles.
Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.
How FPGAX Supports I/O Expanders Requirements
- Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
- End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
- Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
- Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
- Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.
Supply Support at a Glance
| Requirement | FPGAX Support |
| Current production | Active FPGA, programmable logic, and semiconductor component sourcing |
| Legacy programs | End-of-life and hard-to-find component sourcing |
| Supply continuity | Lifecycle transition and long-term availability support |
| Quality requirements | Traceable sourcing and quality-management processes |
Focused on FPGA and Programmable Logic Supply
FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.
I/O Expanders FAQ
Can FPGAX source both active and end-of-life I/O Expanders components?
Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.
Which programmable logic manufacturers does FPGAX support?
Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.
How does FPGAX help with component lifecycle changes?
We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.
What quality and traceability standards does FPGAX follow?
FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.
What information should I provide for a I/O Expanders sourcing request?
Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.