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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.jpg "CS82C55A-5")
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CS82C55A-5IC XPNDR PARALLEL 44PLCC |
2,884 |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
IS82C55AIC XPNDR PARALLEL 44PLCC |
4,629 |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
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CP82C55A-5IC XPNDR PARALLEL 40DIP |
1,494 |
|
Datasheet | - | 40-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Through Hole | 40-PDIP |
|
CQ82C55A96IC XPNDR PARALLEL 44MQFP |
4,582 |
|
Datasheet | - | 44-QFP | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-MQFP (10x10) |
|
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CS82C55A-596IC XPNDR PARALLEL 44PLCC |
1,427 |
|
Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
|
CS82C55A96IC XPNDR PARALLEL 44PLCC |
4,391 |
|
Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | 0°C ~ 70°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
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IMS82C55AZ96IC XPNDR PARALLEL 44PLCC |
4,674 |
|
Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
IP82C55AIC XPNDR PARALLEL 40DIP |
1,198 |
|
Datasheet | - | 40-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 40-PDIP |
|
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IQ82C55AIC XPNDR PARALLEL 44MQFP |
2,970 |
|
Datasheet | - | 44-QFP | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-MQFP (10x10) |
|
|
IQ82C55A96IC XPNDR PARALLEL 44MQFP |
2,254 |
|
Datasheet | - | 44-QFP | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-MQFP (10x10) |
|
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IQ82C55AZIC XPNDR PARALLEL 44MQFP |
1,361 |
|
Datasheet | - | 44-QFP | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-MQFP (10x10) |
|
|
IQ82C55AZ96IC XPNDR PARALLEL 44MQFP |
3,045 |
|
Datasheet | - | 44-QFP | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-MQFP (10x10) |
|
|
IS82C55A-5IC XPNDR PARALLEL 44PLCC |
2,142 |
|
Datasheet | - | 44-LCC (J-Lead) | Tube | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
IS82C55A96IC XPNDR PARALLEL 44PLCC |
4,577 |
|
Datasheet | - | 44-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 44-PLCC (16.58x16.58) |
|
PCA9501D,112IC XPNDR 400KHZ I2C SMBUS 20SO |
3,460 |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | EEPROM, POR | Push-Pull | 100µA, 25mA | 400 kHz | 2.5V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 20-SO |
|
PCF8575CTS/1,112IC XPNDR 400KHZ I2C 24SSOP |
2,567 |
|
Datasheet | - | 24-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Not Verified | 16 | I2C | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-SSOP |
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PCA9502BS,151IC XPNDR 400KHZ I2C SPI 24HVQFN |
1,458 |
|
Datasheet | - | 24-VFQFN Exposed Pad | Tray | Obsolete | Not Verified | 8 | I2C, SPI | No | - | Push-Pull | - | 400 kHz | 2.3V ~ 3.6V | -40°C ~ 85°C | - | - | Surface Mount | 24-HVQFN (4x4) |
|
PCA9536D,112IC XPNDR 400KHZ I2C SMBUS 8SO |
2,589 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | 4 | I2C, SMBus | No | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 8-SO |
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PCA9538D,112IC XPNDR 400KHZ I2C SMBUS 16SO |
3,570 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | 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 |
|
PCA9538PW,112IC XPND 400KHZ I2C SMBUS 16TSSOP |
1,083 |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | 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-TSSOP |
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.