NXP Semiconductors PCF8574AT/3,518 O Expanders
IC I/O EXPANDER I2C 8B 16SOIC
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
PCF8574AT/3,518
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
Quick Jump:
Technical Specifications
NXP Semiconductors PCF8574AT/3,518 O Expanders technical specifications.
General
Interface
I²C
RoHS
Yes
Package / Case
16-SOIC
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 (PCF8574AT/3,518 vs PCA9534D,512 vs PCA9534D,118 vs PCA9554D,118)
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 | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 2.3V ~ 5.5V |
| Interface | I²C | I²C, SMBus | I²C, SMBus | I²C, SMBus |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Obsolete | Active | Active |
| Clock Frequency | 100 kHz | 400 kHz | 400 kHz | 400 kHz |
| Features | POR | POR | POR | POR |
| Interrupt Output | Yes | Yes | Yes | Yes |
| Max Frequency | 100 kHz | 400 kHz | 400 kHz | 400 kHz |
| Number of I/O | 8 | 8 | 8 | 8 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
FXL6408UMXonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
I/O Expander 8 I2C 400 kHz 16-UMLP (1.8x2.6)
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.