ICs for increasing input/output capacity in microcontroller-based systems
I/O expanders add extra digital inputs and outputs to microcontrollers and processors without needing more pins. An I/O expander is ideal for applications like keypads, LEDs, and sensors where pin count is limited but flexibility is key. Integrated I/O expanders connect over I2C, SPI, or serial interfaces to streamline board layout and simplify wiring. Use Octopart to quickly find the I/O expander ICs or other interface components you need. You can then compare suppliers, view datasheets, and check real-time pricing and availability.
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | JLC1562BF | 6000 | USD | 8h | |||||||||
| Verical | JLC1562BF | 6000 | 665 | USD | |||||||||
| Win Source | WS-JLC1562BF | 4340 | 80 | USD | 9h | ||||||||
| Worldway Electronics | JLC1562BF | 18.700 | 7 | Tube | USD | 8h | |||||||
| Fmall Co., Limited | JLC1562BF | 8820 | USD | >1wk |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | PCA9500D,112 | 2197 | USD | 8h | |||||||||
| UnikeyIC | PCA9500D,112 | 2078 | 138 | Tube | USD | 8h | |||||||
| Verical | PCA9500D,112 | 816 | 271 | USD | |||||||||
| Microchip USA | PCA9500D,112 | 2026 | 3K | Tube | USD | 4d | |||||||
| Win Source | WS-PCA9500D,112 | 2180 | 45 | USD | 9h |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | PCA9673D,112 | 390 | USD | 8h | |||||||||
| UnikeyIC | PCA9673D,112 | 368 | 119 | Tube | USD | 8h | |||||||
| Verical | PCA9673D,112 | 390 | 216 | USD | |||||||||
| Microchip USA | PCA9673D,112 | 2460 | 600 | Tube | USD | 4d | |||||||
| Win Source | WS-PCA9673D,112 | 54 | 7 | USD | 9h |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | JLC1562BN | 5000 | USD | 8h | |||||||||
| Verical | JLC1562BN | 5000 | 665 | USD | |||||||||
| Microchip USA | JLC1562BN | 400 | 3K | Tube | USD | 4d | |||||||
| Component Stockers USA | JLC1562BN | 4693 | USD | >1wk | |||||||||
| Win Source | WS-JLC1562BN | 20 | 5 | USD | 9h |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Analog Devices | MAX7349AEG+T | 0 | 2500 | Tape & Reel | USD | 15h | |||||||
| Arrow Electronics | MAX7349AEG+T | 0 | 2500 | USD | |||||||||
| Microchip USA | MAX7349AEG+T | 1949 | 600 | Tray | USD | 4d | |||||||
| Worldway Electronics | MAX7349AEG+T | 7729 | 7 | Tape & Reel | USD | 8h | |||||||
| ICPartonline | MAX7349AEG+T | 27.916 | USD | >1wk |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | CAT9534YI-GT2 | 19.873 | USD | 8h | |||||||||
| Verical | CAT9534YI-GT2 | 9721 | 209 | USD | |||||||||
| Microchip USA | CAT9534YI-GT2 | 1899 | 600 | Bulk | USD | 4d | |||||||
| Component Stockers USA | CAT9534YI-GT2 | 14.098 | USD | >1wk | |||||||||
| Win Source | WS-CAT9534YI-GT2 | 7000 | 40 | USD | 9h |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | LA79200V-TLM-E | 52.200 | USD | 8h | |||||||||
| Verical | LA79200V-TLM-E | 50.200 | 601 | USD | |||||||||
| Win Source | WS-LA79200V-TLM-E | 2000 | 95 | USD | 9h | ||||||||
| Worldway Electronics | LA79200V-TLM-E | 28.864 | 7 | Tape & Reel | USD | 8h | |||||||
| Fmall Co., Limited | LA79200V-TLM-E | 10.680 | USD | >1wk |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rochester Electronics | PCA9538PW,112 | 242 | USD | 8h | |||||||||
| UnikeyIC | PCA9538PW,112 | 228 | 188 | Tube | USD | 8h | |||||||
| Verical | PCA9538PW,112 | 19 | 11 | USD | |||||||||
| Microchip USA | PCA9538PW,112 | 2348 | 3K | Tube | USD | 4d | |||||||
| Win Source | WS-PCA9538PW,112 | 20 | 65 | USD | 9h |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mouser | 595-PCA9539DB | 164 | 1 | Tube | USD | ||||||||
| Component Stockers USA | PCA9539DB | 24 | USD | >1wk | |||||||||
| Win Source | WS-PCA9539DB | 4733 | 21 | USD | 9h | ||||||||
| Worldway Electronics | PCA9539DB | 29.368 | 7 | Tube | USD | 8h | |||||||
| Easev | PCA9539DB | 2389 | USD | >1wk |
| Distributor | SKU | Min | Pkg | Bulk Pricing | Updated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avnet | SX03-0B00-00 | 0 | 160 | USD | 1d | ||||||||
| Microchip USA | SX03-0B00-00 | 402 | 50 | Tray | USD | 4d | |||||||
| Worldway Electronics | SX03-0B00-00 | 2248 | 7 | Bulk | USD | 8h | |||||||
| Win Source | WS-SX03-0B00-00 | 1923 | 1 | USD | 9h | ||||||||
| Classic Components | SX03-0B00-00 | 163 | USD | 3h |