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0755-82798135I/O Expanders
I/O Expanders are interface ICs used to increase the number of input and output ports available to microcontrollers, processors and embedded systems. They are widely used in industrial control, communication equipment, consumer electronics, automotive electronics, medical devices, IoT products, smart home devices and embedded control applications.
This category includes GPIO expanders, I2C I/O expanders, SPI I/O expanders, port expanders, keypad interface expanders, LED control expanders and related interface control components. These devices are commonly selected based on interface type, number of I/O channels, supply voltage, interrupt support, output drive capability, package type and system compatibility.
TomatoElec supplies original I/O Expanders from recognized semiconductor manufacturers such as Texas Instruments, NXP, Microchip, STMicroelectronics, onsemi, Diodes Incorporated, Renesas, Infineon and other major brands. As an in-stock electronic components supplier and independent distributor, TomatoElec provides inventory support, original component sourcing and BOM sourcing services for global customers.
| Photo | Mfr. Part # | Availability | Price | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MM82PC12NIIC XPNDR CMOS |
4,004 | - |
|
Datasheet |
- | - | Bulk | Active | Not Verified | 8 | CMOS | Yes | - | - | - | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | - | - |
|
MAX7300ATIMULTI-PORT I/O EXPANDER |
1,390 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Bulk | Active | Not Verified | 20 | I2C, 2-Wire Serial | Yes | - | Open Drain, Push-Pull | 4.5mA, 10mA | 400 kHz | 2.5V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 28-TQFN (5x5) |
|
CMP82C55AZIC XPNDR PARALLEL 40DIP |
1,328 | - |
|
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 |
|
CDP1852CD3IC XPNDR PARALLEL 24SBDIP |
920 | - |
|
Datasheet |
- | 24-CDIP (0.600", 15.24mm) | Bulk | Active | Not Verified | 8 | Parallel | No | - | - | 4.4mA, 6.1mA | - | 4V ~ 6.5V | -55°C ~ 125°C | - | - | Through Hole | 24-SBDIP |
|
IMS82C55AZIC XPNDR PARALLEL 44PLCC |
110 | - |
|
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) |
|
VSC7161XHK10 PORT SAS EXPANDER AT 1.5GBPS |
3,159 | - |
|
- |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MD8243/BI/O EXPANDER |
317 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MC68B21CP-GMC68B21 - PERIPHERAL INTERFACE A |
3,899 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
933FM/BDUAL FOUR INPUT EXPANDER |
454 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
VSC7155XVU-02IC INTERFACE CONTROLLER |
0 | - |
|
Datasheet |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LD8755APARALLEL I/O PORT, 16 I/O, MOS, |
433 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
VSC7153SS-02IC INTERFACE CONTROLLER |
8,688 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
VSC7153XSS-02IC INTERFACE CONTROLLER |
486 | - |
|
Datasheet |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
VSC7154XYS/CIC INTERFACE CONTROLLER |
0 | - |
|
Datasheet |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
NSC831E-MILPARALLEL IO PORT, 8-BIT CQCC44 |
55 | - |
|
Datasheet |
- | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
933HM/BDUAL FOUR INPUT EXPANDER |
169 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
CAT9554AWGI-T2IC XPNDR 400KHZ I2C SMBUS 16SOIC |
6,000 | - |
|
Datasheet |
CAT9554 | 16-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Collector, Open Drain, Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
CAT9554AYGIIC XPND 400KHZ I2C SMBUS 16TSSOP |
3,544 | - |
|
Datasheet |
CAT9554 | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Collector, Open Drain, Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
CAT9554AYGI-T2IC XPND 400KHZ I2C SMBUS 16TSSOP |
2,000 | - |
|
Datasheet |
CAT9554 | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Collector, Open Drain, Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
CAT9554YGIIC XPND 400KHZ I2C SMBUS 16TSSOP |
1,936 | - |
|
Datasheet |
CAT9554 | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Collector, Open Drain, Push-Pull | 10mA, 24mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
