Available 24/7 at
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
PCA9670PW,112Remote 8-bit I\/O expander for F |
1,269 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | - | 8 | I2C, SMBus | Yes | POR | Push-Pull | 300µA, 41mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
PCAL9538APWJPCAL9538A - LOW-VOLTAGE 8-BIT I2 |
15,800 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | 8 | I2C, SMBus | Yes | POR | Open Drain, Push-Pull | 10mA, 25mA | 400 kHz | 1.65V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
CAT9534WI-GPARALLEL I/O PORT, 8-BIT, 8 I/O, |
15,745 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
PCA9534DBPCA9534 REMOTE 8-BIT I2C AND LOW |
3,120 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Bulk | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
LM8335TLE/NOPBLM8335 GENERAL-PURPOSE OUTPUT EX |
750 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCA9675PW,118PCA9675PW - Remote 16-Bit I/O Ex |
6,128 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Bulk | Active | - | 16 | I2C, SMBus | Yes | POR | Push-Pull | 300µA, 42mA | 1 MHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
|
LC709004AMJ-AHIO EXPANDER16I/O TAPING |
2,000 | - |
|
Datasheet |
* | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LC898116-TBM-HLC898116 - Ignition Controller |
1,000 | - |
|
- |
- | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
CY8C9560A5-24AXICY8C9560A - 60 Bit I/O Expander |
236 | - |
|
Datasheet |
- | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PCA9554DB,118IC XPNDR 400KHZ I2C SMBUS 16SSOP |
33 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | I2C, SMBus | Yes | POR | Push-Pull | 10mA, 25mA | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-SSOP |
|
DS2408S+T&RIC XPNDR 1-WIRE 16SOIC |
19 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | 8 | 1-Wire® | No | - | Open Drain | - | - | 2.8V ~ 5.25V | -40°C ~ 85°C | - | - | Surface Mount | 16-SOIC |
|
IP82C55AZIC XPNDR PARALLEL 40DIP |
43 | - |
|
Datasheet |
- | 40-DIP (0.600", 15.24mm) | Tube | Active | Not Verified | 24 | Parallel | No | - | Open Drain | 2.5mA | - | 4.5V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 40-PDIP |
|
MCP23S09-E/SOIC XPNDR 10MHZ SPI 18SOIC |
86 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | 8 | SPI | Yes | - | Open Drain | 25mA | 10 MHz | 1.8V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 18-SOIC |
|
PI4IOE5V9554LEIC XPNDR 400KHZ I2C 16TSSOP |
76 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 8 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 16-TSSOP |
|
MCP25020-I/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
70 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 2.75V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 14-PDIP |
|
MCP25050-I/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
74 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | ADC, EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 2.7V ~ 5.5V | -40°C ~ 85°C | - | - | Through Hole | 14-PDIP |
|
MCP25050-E/PIC XPNDR 25MHZ CAN V2.0B 14DIP |
72 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Tube | Active | Verified | 8 | CAN V2.0b | No | ADC, EEPROM, POR, PWM | Push-Pull | 25mA | 25 MHz | 4.5V ~ 5.5V | -40°C ~ 125°C | - | - | Through Hole | 14-PDIP |
|
MAX7321AEE+IC XPNDR 400KHZ I2C 16QSOP |
94 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Not Verified | 8 | I2C | Yes | POR | Open Drain, Push-Pull | 20mA | 400 kHz | 1.71V ~ 5.5V | -40°C ~ 125°C | - | - | Surface Mount | 16-QSOP |
|
PI4IOE5V9538LEIC XPNDR 400KHZ SMBUS 16TSSOP |
81 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 8 | SMBus | Yes | POR | Push-Pull | - | 400 kHz | 2.3V ~ 5.5V | - | - | - | Surface Mount | 16-TSSOP |
|
PI4IOE5V9539LEIC XPNDR 400KHZ I2C 24TSSOP |
62 | - |
|
Datasheet |
- | 24-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | 16 | I2C | Yes | - | - | - | 400 kHz | 2.3V ~ 5.5V | -40°C ~ 85°C | - | - | Surface Mount | 24-TSSOP |
