+86 13691825231
jerry@srdic.cn-
ALL Products
- Passive
- Audio Products
-
Circuit Protection
- Circuit Breakers
- Circuit Protection Accessories
- Electrical, Specialty Fuses
- Fuseholders
- Fuses
- Gas Discharge Tube Arresters (GDT)
- Ground Fault Circuit Interrupter (GFCI)
- Inrush Current Limiters (ICL)
- Lighting Protection
- PTC Resettable Fuses
- Surge Suppression Ics
- Thermal Cutoffs (Thermal Fuses)
- Transient Voltage Suppressors (TVS)
-
Connectors, Interconnects
- AC Power Connectors
- Backplane Connectors
- Banana and Tip Connectors
- Barrel Connectors
- Between Series Adapters
- Blade Type Power Connectors
- Card Edge Connectors
- Circular Connectors
- Coaxial Connectors (RF)
- Contacts
- D-Sub, D-Shaped Connectors
- FFC, FPC (Flat Flexible) Connectors
- Fiber Optic Connectors
- Heavy Duty Connectors
- Keystone Connectors
- LGH Connectors
- Memory Connectors
- Modular Connectors
- Photovoltaic (Solar Panel) Connectors
- Pluggable Connectors
- Rectangular Connectors
- Shunts, Jumpers
- Sockets for ICs, Transistors
- Solid State Lighting Connectors
- Terminal Blocks
- Terminal Junction Systems
- Terminal Strips and Turret Boards
- Terminals
- USB, DVI, HDMI Connectors
- Discrete Semiconductor Products
- Integrated Circuits (ICs)
- Memory Cards, Modules
- Relays
-
RF/IF and RFID
- Attenuators
- Balun
- RF Accessories
- RF Amplifiers
- RF Antennas
- RF Circulators and Isolators
- RF Demodulators
- RF Detectors
- RF Directional Coupler
- RF Front End (LNA + PA)
- RF Misc ICs and Modules
- RF Mixers
- RF Modulators
- RF Multiplexers
- RF Power Controller ICs
- RF Power Dividers/Splitters
- RF Receiver, Transmitter, and Transceiver Finished
- RF Receivers
- RF Shields
- RF Switches
- RF Transceiver ICs
- RF Transceiver Modules and Modems
- RF Transmitters
- RFI and EMI - Contacts, Fingerstock and Gaskets
- RFI and EMI - Shielding and Absorbing Materials
- RFID Accessories
- RFID Antennas
- RFID Reader Modules
- RFID Transponders, Tags
- RFID, RF Access, Monitoring ICs
- Subscriber Identification Module (SIM) Cards
-
Sensors, Transducers
- Color Sensors
- Color Sensors - Industrial
- Current Sensors
- Encoders
- Encoders - Industrial
- Float, Level Sensors
- Float, Level Sensors - Industrial
- Flow Sensors
- Flow Sensors - Industrial
- Force Sensors
- Force Sensors - Industrial
- Gas Sensors
- Humidity, Moisture Sensors)
- IrDA Transceiver Modules
- LVDT Transducers (Linear Variable Differential Tra
- Magnetic Sensors
- Magnets
- Motion Sensors
- Multifunction
- Optical Sensors
- Particle, Dust Sensors
- Position Sensors
- Pressure Sensors, Transducers
- Pressure Sensors, Transducers - Industrial
- Proximity Sensors
- Proximity Sensors - Industrial
- Proximity/Occupancy Sensors Finished Units
- Sensor Cable Accessories
- Sensor Cable Assemblies
- Sensor Interface Junction Blocks
- Sensor, Transducer Accessories
- Sensor, Transducer Amplifiers
- Shock Sensors
- Solar Cells
- Specialized Sensors
- Strain Gauges
- Temperature Sensors
- Touch Sensors
- Ultrasonic Receivers, Transmitters
- Ultrasonic Receivers, Transmitters - Industrial
-
Switches
- Accessories
- Accessories - Boots, Seals
- Accessories - Caps
- Cable Pull Switches
- Configurable Switch Components - Body
- Configurable Switch Components - Contact Block
- Configurable Switch Components - Illumination Sour
- Configurable Switch Components - Lens
- DIP Switches
- Disconnect Switch Components
- Emergency Stop (E-Stop) Switches
- Interlock Switches
- Keylock Switches
- Keypad Switches
- Limit Switches
- Magnetic, Reed Switches
- Navigation Switches, Joystick
- Programmable Display Switches
- Pushbutton Switches
- Pushbutton Switches - Hall Effect
- Rocker Switches
- Rotary Switches
- Selector Switches
- Slide Switches
- Tactile Switches
- Thumbwheel Switches
- Toggle Switches
- Transformers
- View More >>
I/O Expanders(1112)
| Image | Name | Manufacturer | Quantity | Mfr | Series | Package | Product Status | Operating Temperature | Mounting Type | Package / Case | Features | Base Product Number | Output Type | Digi-Key Programmable | Voltage - Supply | Supplier Device Package | DataSheet | RoHS Status | Moisture Sensitivity Level (MSL) | REACH Status | ECCN | HTSUS | Standard Package | Number of I/O | Interface | Interrupt Output | Current - Output Source/Sink | Clock Frequency |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Texas Instruments PCF8574ADW | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Active | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCF8574 | Push-Pull | 2.5V ~ 6V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 40 | 8 | I²C | Yes | 1mA, 25mA | 100 kHz | ||
| Texas Instruments PCF8574ADWE4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCF8574 | Push-Pull | Not Verified | 2.5V ~ 6V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 40 | 8 | I²C | Yes | 1mA, 25mA | 100 kHz | |
| Texas Instruments PCF8574ADWG4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCF8574 | Push-Pull | Not Verified | 2.5V ~ 6V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 40 | 8 | I²C | Yes | 1mA, 25mA | 100 kHz | |
| Texas Instruments PCF8574APWG4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 20-TSSOP (0.173", 4.40mm Width) | POR | PCF8574 | Push-Pull | Not Verified | 2.5V ~ 6V | 20-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 70 | 8 | I²C | Yes | 1mA, 25mA | 100 kHz | |
| Texas Instruments PCF8575CDWE4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | POR | PCF8575 | Open Drain | Not Verified | 4.5V ~ 5.5V | 24-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 25 | 16 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | |
| Texas Instruments PCF8575DBQRG4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tape & Reel (TR) | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 24-SSOP (0.154", 3.90mm Width) | POR | PCF8575 | Push-Pull | Not Verified | 2.5V ~ 5.5V | 24-SSOP | download | ROHS3 Compliant | 2 (1 Year) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,500 | 16 | I²C, SMBus | Yes | 1mA, 25mA | 400 kHz | |
| Texas Instruments PCF8575DW | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Active | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | POR | PCF8575 | Push-Pull | 4.5V ~ 5.5V | 24-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 25 | 16 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| Texas Instruments PCF8575PWRE4 | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tape & Reel (TR) | Discontinued at Digi-Key | -40°C ~ 85°C | Surface Mount | 24-TSSOP (0.173", 4.40mm Width) | POR | PCF8575 | Push-Pull | Not Verified | 2.5V ~ 5.5V | 24-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,000 | 16 | I²C, SMBus | Yes | 1mA, 25mA | 400 kHz | |
| Texas Instruments PCA9538PW | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 16-TSSOP (0.173", 4.40mm Width) | POR | PCA9538 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 16-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 90 | 8 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | |
| Texas Instruments PCA9539PW | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 24-TSSOP (0.173", 4.40mm Width) | POR | PCA9539 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 24-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 60 | 16 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | |
| Texas Instruments PCA9554DB | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Last Time Buy | -40°C ~ 85°C | Surface Mount | 16-SSOP (0.209", 5.30mm Width) | POR | PCA9554 | Push-Pull | 2.3V ~ 5.5V | 16-SSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 80 | 8 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| Texas Instruments PCA9535PW | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 24-TSSOP (0.173", 4.40mm Width) | POR | PCA9535 | Push-Pull | 2.3V ~ 5.5V | 24-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 60 | 16 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| Texas Instruments PCA9534ADWR | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tape & Reel (TR) | Last Time Buy | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCA9534 | Push-Pull | 2.3V ~ 5.5V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,000 | 8 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| Texas Instruments PCA9538DWR | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tape & Reel (TR) | Last Time Buy | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCA9538 | Push-Pull | 2.3V ~ 5.5V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,000 | 8 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| Texas Instruments PCA9554DWR | Texas Instruments |
Min: 1 Mult: 1 |
/image/Texas Instruments | - | Tape & Reel (TR) | Active | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCA9554 | Push-Pull | 2.3V ~ 5.5V | 16-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,000 | 8 | I²C, SMBus | Yes | 10mA, 25mA | 400 kHz | ||
| onsemi CAT9554AYI-GT2 | onsemi |
Min: 1 Mult: 1 |
/image/onsemi | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 16-TSSOP (0.173", 4.40mm Width) | POR | CAT9554 | Push-Pull | 2.3V ~ 5.5V | 16-TSSOP | download | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,500 | 8 | I²C, SMBus | Yes | 10mA, 24mA | 400 kHz | |||
| NXP USA Inc. PCA8574AN,112 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tube | Obsolete | -40°C ~ 85°C | Through Hole | 16-DIP (0.300", 7.62mm) | POR | PCA85 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 16-DIP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 28 | 8 | I²C | Yes | 100µA, 25mA | 400 kHz | |
| NXP USA Inc. PCA8574APW,112 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 16-TSSOP (0.173", 4.40mm Width) | POR | PCA85 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 16-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,400 | 8 | I²C | Yes | 100µA, 25mA | 400 kHz | |
| NXP USA Inc. PCA8574PW,112 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 16-TSSOP (0.173", 4.40mm Width) | POR | PCA85 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 16-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,400 | 8 | I²C | Yes | 100µA, 25mA | 400 kHz | |
| NXP USA Inc. PCA9671DK,118 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 24-SSOP (0.154", 3.90mm Width) | POR | PCA96 | Push-Pull | 2.3V ~ 5.5V | 24-SSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,500 | 16 | I²C | No | 100µA, 25mA | 1 MHz | ||
| NXP USA Inc. PCA9671PW,112 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 24-TSSOP (0.173", 4.40mm Width) | POR | PCA96 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 24-TSSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,575 | 16 | I²C | No | 100µA, 25mA | 1 MHz | |
| NXP USA Inc. PCA9672D,518 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 16-SOIC (0.295", 7.50mm Width) | POR | PCA96 | Push-Pull | 2.3V ~ 5.5V | 16-SO | download | ROHS3 Compliant | 2 (1 Year) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,000 | 8 | I²C | Yes | 100µA, 25mA | 1 MHz | ||
| NXP USA Inc. PCA9673DB,112 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tube | Obsolete | -40°C ~ 85°C | Surface Mount | 24-SSOP (0.209", 5.30mm Width) | POR | PCA96 | Push-Pull | Not Verified | 2.3V ~ 5.5V | 24-SSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 59 | 16 | I²C | Yes | 100µA, 25mA | 1 MHz | |
| NXP USA Inc. PCA9673D,118 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | POR | PCA96 | Push-Pull | 2.3V ~ 5.5V | 24-SO | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,000 | 16 | I²C | Yes | 100µA, 25mA | 1 MHz | ||
| NXP USA Inc. PCA9675DK,118 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 24-SSOP (0.154", 3.90mm Width) | POR | PCA96 | Push-Pull | 2.3V ~ 5.5V | 24-SSOP | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 2,500 | 16 | I²C | Yes | 100µA, 25mA | 1 MHz | ||
| NXP USA Inc. PCA9675D,118 | NXP USA Inc. |
Min: 1 Mult: 1 |
/image/NXP USA Inc. | - | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | Surface Mount | 24-SOIC (0.295", 7.50mm Width) | POR | PCA96 | Push-Pull | 2.3V ~ 5.5V | 24-SO | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,000 | 16 | I²C | Yes | 100µA, 25mA | 1 MHz | ||
| Infineon Technologies CY8C9520A-24PVXIT | Infineon Technologies |
Min: 1 Mult: 1 |
/image/Infineon Technologies | - | Tape & Reel (TR) | Active | -40°C ~ 85°C | Surface Mount | 28-SSOP (0.209", 5.30mm Width) | EEPROM, POR, PWM, WDT | CY8C9520 | Open Drain | 3V ~ 5.25V | 28-SSOP | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,000 | 20 | I²C | Yes | 10mA, 25mA | 100 kHz | ||
| Infineon Technologies CY8C9540A-24PVXIT | Infineon Technologies |
Min: 1 Mult: 1 |
/image/Infineon Technologies | - | Tape & Reel (TR) | Active | -40°C ~ 85°C | Surface Mount | 48-BSSOP (0.295", 7.50mm Width) | EEPROM, POR, PWM, WDT | CY8C9540 | Open Drain | 3V ~ 5.25V | 48-SSOP | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,000 | 40 | I²C | Yes | 10mA, 25mA | 100 kHz | ||
| Infineon Technologies CY8C9560A-24AXIT | Infineon Technologies |
Min: 1 Mult: 1 |
/image/Infineon Technologies | - | Tape & Reel (TR) | Active | -40°C ~ 85°C | Surface Mount | 100-LQFP | EEPROM, POR, PWM, WDT | CY8C9560 | Open Drain | 3V ~ 5.25V | 100-TQFP (14x14) | download | ROHS3 Compliant | 3 (168 Hours) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,500 | 60 | I²C | Yes | 10mA, 25mA | 100 kHz | ||
| Microchip Technology MCP23S09T-E/SO | Microchip Technology |
Min: 1 Mult: 1 |
/image/Microchip Technology | - | Tape & Reel (TR) | Active | -40°C ~ 125°C | Surface Mount | 18-SOIC (0.295", 7.50mm Width) | - | MCP23S09 | Open Drain | 1.8V ~ 5.5V | 18-SOIC | download | ROHS3 Compliant | 1 (Unlimited) | REACH Unaffected | EAR99 | 8542.39.0001 | 1,100 | 8 | SPI | Yes | 25mA | 10 MHz |
