Texas Instruments PCF8574ADWG4 O Expanders
IC I/O EXPANDER I2C 8B 16SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCF8574ADWG4
Detailed Description
IC I/O EXPANDER I2C 8B 16SOIC
Package
16-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 16-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
PCF8574ADWG4 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCF8574ADWG4 O Expanders technical specifications.
General
Interface
I²C
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.5V ~ 6V
Features
POR
Output Type
Push-Pull
Number of I/O
8
Interrupt Output
Yes
Current Output Source Sink
1mA, 25mA
Alternate Parts Comparison (PCF8574ADWG4 vs PCF8574DWRE4 vs PCF8574ADWRG4 vs TCA9534ADWR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 2.5V ~ 6V | 2.5V ~ 6V | 2.5V ~ 6V | 1.65V ~ 5.5V |
| Interface | I²C | I²C | I²C | I²C |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Max Frequency | 100 kHz | 100 kHz | 100 kHz | 400 kHz |
| Number of I/O | 8 | 8 | 8 | 8 |
| Output Type | Push-Pull | Push-Pull | Push-Pull | Push-Pull |
| Current Output Source Sink | 1mA, 25mA | 1mA, 25mA | 1mA, 25mA | -- |
| Features | POR | POR | POR | -- |
| Action |
More Parts in I/O Expanders
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.