I/O Expanders
Explore I/O Expanders parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to ICMENU. Our team can assist with availability checks and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9704PW/Q900JIC XPNDR 5MHZ SPI 16TSSOP |
1,267 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 (Input Only) | SPI | Yes | - | Open Drain | - | 5 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP |
|
PCA9535EDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
708 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
R8A66021GP#R2I/O EXPANDER |
8,989 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LPC47U332QFPENHANCED SUPER I/O WITH LPC INTE |
3,822 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX7300ATI+IC XPNDR 400KHZ I2C 28TQFN |
1,464 |
|
Datasheet | - | 28-WFQFN Exposed Pad | Tray | Obsolete | Not Verified | 20 | I2C, 2-Wire Serial | Yes | - | Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-TQFN (5x5) |
|
MAX7329AAP+PORT EXPANDERS WITH EIGHT I/O PO |
2,953 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCA9654EDTR2GIC XPNDR 100KHZ I2C 16TSSOP |
11,297 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | - | - | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 16-TSSOP |
|
MAX7300ANIMULTI-PORT I/O EXPANDER |
1,609 |
|
Datasheet | - | 28-DIP (0.300", 7.62mm) | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 28-PDIP |
|
CDP1852CEIC XPNDR 24DIP |
15,332 |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Bulk | Active | Not Verified | 8 | - | No | - | - | 4.4mA, 6.1mA | - | 4V ~ 6.5V | -55°C ~ 125°C | - | - | Through Hole | 24-PDIP |
|
PCA9654EDR2GIC XPNDR 100KHZ I2C 16SOIC |
1,375 |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 8 | I2C | Yes | POR | - | - | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 16-SOIC |
|
MAX7300AGL-TG068MULTI-PORT I/O EXPANDER |
2,000 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX7300AGL-TMULTI-PORT I/O EXPANDER |
16,000 |
|
Datasheet | - | 40-VFQFN Exposed Pad | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-SQFN (6x6) |
|
|
MAX7300AGLMULTI-PORT I/O EXPANDER |
387 |
|
Datasheet | - | 40-VFQFN Exposed Pad | Bulk | Active | Not Verified | 28 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 40-SQFN (6x6) |
|
|
PCA9535ECDTR2GIC XPND 100KHZ I2C SMBUS 24TSSOP |
1,211 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | 16 | I2C, SMBus | Yes | POR | Open Drain | 25mA | 100 kHz | 1.65V ~ 5.5V | -55°C ~ 125°C | - | - | Surface Mount | 24-TSSOP |
|
SN74LS612FNPARALLEL I/O PORT, 12 I/O, TTL, |
10,028 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
SN74LS612NPARALLEL I/O PORT, 12 I/O, TTL |
5,966 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
LPC47U322QFPENHANCED SUPER I/O WITH LPC INTE |
34,557 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MCP25055-I/PIC XPNDR 25MHZ CAN 14DIP |
114 |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN (1-Wire) | No | ADC, EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 14-PDIP |
|
|
CDP1852EIC XPNDR PARALLEL 24DIP |
1,173 |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Bulk | Active | Not Verified | 8 | Parallel | No | - | - | 6mA | - | 4V ~ 10.5V | -40°C ~ 85°C | - | - | Through Hole | 24-PDIP |
|
|
SN74LS610NPARALLEL I/O PORT, 12 I/O, TTL |
4,167 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
Frequently Asked Questions
What are I/O Expanders components used for?
I/O Expanders components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right I/O Expanders part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can ICMENU help source obsolete or hard-to-find I/O Expanders parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. ICMENU will review your request and provide available stock, pricing and sourcing information.