I/O Expander - 16bit - 1.7MHz - I2C - 1.8 to 5.5 V - SOIC W - 28-Pin.
Lifecycle: Active Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Farnell)
Country of origin: THRoHS Compliant MSL MSL 1
Farnell(1/10)
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View PlansConfirmed Stock
76,355
Availability is incomplete; unknown stock and unidentified marketplace inventory are excluded.
12 of 14 suppliers stocked
Best Unit Price
—
Availability
12of 14 suppliers
Fastest delivery: 31 days
Shortest factory lead: 4 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
 | 34,826 | — | 14 weeks | Minimum order quantity 1 | Tube | In Stock | |
 | 15,000 | — | — | Minimum order quantity 40 | Tube/Rail | In Stock | |
 | MCP23017-E/SO-ND | 13,159 | — | 5 weeks | Minimum order quantity 1 | Tube | In Stock |
 | 3,130 | — | — | Minimum order quantity 1 | TUBE | In Stock | |
OC Online Components | 2,997 | — | 5 weeks | Minimum order quantity 27Order multiple 27 | — | In Stock | |
 | 2,083 | — | — | Minimum order quantity 1 | Tube-packed | In Stock | |
 | 1,512 | — | 4 weeks | Minimum order quantity 27Order multiple 27 | TUBE | In Stock | |
 | 1,127 | 36 days | — | Minimum order quantity 1 | — | In Stock | |
 | 977 | — | — | Minimum order quantity 1 | TB1 | In Stock | |
  | 898 | — — | — 9 weeks | Minimum order quantity 38 Minimum order quantity 243 | — | In Stock | |
 | 432 | — | — | Minimum order quantity 27Order multiple 27 | TU | In Stock | |
| 110 | — | — | Minimum order quantity 5Order multiple 5 | PK | In Stock | |
 | MCP23017-E/SO | 81 | 38 days | — | Minimum order quantity 27Order multiple 27 | — | In Stock |
 | MCP23017-E/SO | 23 | 31 days | — | Minimum order quantity 27Order multiple 27 | — | In Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Digi-Key MCP23017-E/SO-ND | I/O Expander 16 I2C 1.7 MHz 28-SOIC | — | MSL 1 | Active | — | Integrated Circuits (ICs) | — | — | 8542.39.0070 (US HTS) | Tube | |
OC Online Components MCP23017-E/SO | I/O Expander - 16bit - 1.7MHz - I2C - 1.8 to 5.5 V - SOIC W - 28-Pin. | Yes | — | — | — | — | — | — | — | — | |
MyArrow MCP23017-E/SO | I2C Interface 1700kHz 5.5V 28-Pin SOIC W Tube | Yes | — | Active | — | D | TH | — | — | TUBE | |
Verical MCP23017-E/SO | I2C Interface 100kHz/400kHz/1700kHz 5.5V 28-Pin SOIC W Tube | Yes | — | Active | — | GPIO Expanders | TH | — | — | — | |
Farnell 1332087 | MICROCHIP - MCP23017-E/SO - I/O-Erweiterung, 16 bit, I2C, 1.8 V, 5.5 V, SOIC, 28 Pin(s) | Yes | — | Active | No SVHC (04-Feb-2026) | — | TH | — | 85423990 (EU CN) | — | |
Mouser 579-MCP23017-E/SO | Interface - I/O Expanders 16bit Input/Output Exp I2C interface | Yes | — | — | — | Interface - I/O Expanders | — | 0.002215 g | 8542399000 | Tube | |
Avnet Silica MCP23017-E/SO | SOIC 28/16-BIT INPUT/OUTPUT EXPANDER, I2C INTERFACE, PB-FREE | Yes | — | — | — | — | — | — | — | — | |
LCSC C47023 | 16 I2C SOIC-28-300mil I/O Expanders RoHS | Yes | — | — | — | I/O Expanders | — | 0.001296 g | — | Tube-packed | |
Avnet EBV MCP23017-E/SO | 16-bit Input/Output Expander, I2C interface, Pb-fr | Yes | — | — | — | — | — | — | — | — | |
RS 403816 | Microchip E/A-Erweiterung, 16-Kanal I2C, seriell, SOIC 28-Pin 5MHz SMD | — | — | — | — | — | — | — | — | PK | |
Arrow USA MCP23017-E/SO | I2C Interface 100kHz/400kHz/1700kHz 5.5V 28-Pin SOIC W Tube | Yes | — | Active | — | GPIO Expanders | — | — | — | — | |
Winsource MCP23017-E/SO | IC I/O EXPANDER I2C 16B 28SOIC | Yes | — | — | — | — | — | — | — | Tube/Rail | |
RS 8895109 | Microchip E/A-Erweiterung, 16-Kanal I2C, seriell, SOIC 28-Pin 5MHz SMD | — | — | — | — | — | — | — | — | TU | |
TME MCP23017-E/SO | IC: Schnittstelle; Erweiterung I/O; 1,7Mbps; 1,8÷5,5VDC; I2C; SMD | — | — | Blocked For Zbl General | — | Integ. Schalt. - sonstige Schnittstellen | — | — | — | TB1 | |
Future Electronics MCP23017-E/SO | MCP23017 Series 5.5 V 1.7 MHz SMT 16-Bit I2C I/O Expander - SOIC-28 | Yes | — | Active | — | i2c | — | 1.333333 g | — | TUBE |
Technical Attributes
Bus InterfaceSTANDARD MODE
Interface TypeI2C
Interrupt OutputYES
Manual ResetYes
Number of Addresses8
Number of I/Os (Max)16
Operating Supply Voltage (Max)5.5
Operating Supply Voltage (Min)1.8
Operating Temp Range-40C to 125C
Output TypeQUASI BIDIRECTIONAL
Package TypeSOIC W
PackagingRail/Tube
Quiescent Current (Max)1