Texas Instruments PCF8574PW Microcontrollers
8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 20-TSSOP -40 to 85
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCF8574PW
Detailed Description
8-bit 2.5- to 5.5-V I2C/SMBus I/O expander with interrupt 20-TSSOP -40 to 85
Package
20-TSSOP
Lifecycle Status
Active
Datasheet
PCF8574PW Datasheet
Quick Jump:
Technical Specifications
Texas Instruments PCF8574PW Microcontrollers technical specifications.
General
Interface
I²C
RoHS
Yes
Package / Case
20-TSSOP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.5V ~ 6V
Lifecycle Status
Active
Features
POR
Output Type
Push-Pull
Number of I/O
8
Alternate Parts Comparison (PCF8574PW vs PCF8574NE4 vs PCF8575CDWE4 vs PCF8575CDBE4)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-TSSOP | 16-DIP | 24-SOIC | 24-SSOP |
| Mounting Type | Surface Mount | Through Hole | 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 | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Interface | I²C | I²C | I²C, SMBus | I²C, SMBus |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Obsolete |
| Clock Frequency | 100 kHz | 100 kHz | 400 kHz | 400 kHz |
| Current Output Source Sink | 1mA, 25mA | 1mA, 25mA | 10mA, 25mA | 10mA, 25mA |
| Features | POR | POR | POR | POR |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Number of I/O | 8 | 8 | 16 | 16 |
| Action |
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