Manufacturer package reference image
16-Bit, Open Drain I/O Expander with I2C Interface
Key Specifications
| Complete manufacturer part number | MCP23018-E/MJ |
|---|---|
| Manufacturer | Microchip Technology |
| Description | 16-Bit, Open Drain I/O Expander with I2C Interface |
| Package / case | QFN-24 |
| Product category | Interface - I/O Expanders |
| Pins | 24 |
| Series / Family | MCP23018 |
| Mounting Type | Surface Mount |
| Power Supply | 1.8 V to 5.5 V |
| Channels | 16-bit (2× 8-bit ports) |
| Interface | I²C 100 kHz / 400 kHz / 3.4 MHz |
| Interrupt Output | INTA, INTB (configurable) |
| Output | 25 mA sink per pin, open-drain, 5.5 V tolerant |
| Standby Current | 1 µA typical |
| Addressing | 1 address pin, up to 8 devices |
| Temperature range (datasheet ordering guide) | -40 °C to 125 °C |
| Manufacturer package type | QFN |
| Packing type | TUBE |
| Package size (manufacturer feed; literal value) | 4x4x0.9mm |
| Moisture sensitivity level (manufacturer feed) | MSL-1 |
| Solder composition (manufacturer feed) | MatteTin |
| In stock | 10,941 pcs |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Available manufacturer parameters matched to the complete ordering code. Historical captures may be used. Parameter verification does not certify product photography or current stock; consult the linked datasheet for conditions.
Manufacturer package reference image for QFN-24. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
Some exact-order specifications remain to be confirmed in the manufacturer documentation.
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