Fig 3. Pin configuration for S…
NXP SemiconductorsNetherlands
IC I/O EXPANDER I2C 8BIT 16-SOIC
PCA8574D is an I²C-bus 8-bit I/O expander with 2.3 V to 5.5 V supply, interrupt output, and 25 mA sink capability in SO16 package.Checked against the datasheet
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View full reportTechnical parameters
Datasheet-verified parameters
22 items| Parameter | Value and test conditions | Source |
|---|---|---|
| Package | SO16 (SOT162-1) | |
| Ambient temperature | -40 °C to +85 °C | |
| Grade | Commercial | |
| RoHS | Compliant | |
| REACH | Compliant | |
| Halogen free | Yes |
All parameters (6)
| Power | |
|---|---|
| Operating supply voltage | 2.3 V to 5.5 V |
| Standby current | 4.5 μA (typical) |
| Environment and package | |
| Ambient temperature | -40 °C to +85 °C |
| Package | SO16 |
| Other | |
| I²C-bus interface | 400 kHz |
| Output sink capability | 25 mA |
Pinout and package
Fig 3. Pin configuration for S…
| Pin | Name | Function | Source |
|---|---|---|---|
| a0 | Address input 0 | ||
| a1 | Address input 1 | ||
| a2 | Address input 2 | ||
| int | Interrupt output (active LOW) | ||
| p0 | Quasi-bidirectional I/O 0 | ||
| p1 | Quasi-bidirectional I/O 1 | ||
| p2 | Quasi-bidirectional I/O 2 | ||
| p3 | Quasi-bidirectional I/O 3 | ||
| p4 | Quasi-bidirectional I/O 4 | ||
| p5 | Quasi-bidirectional I/O 5 | ||
| p6 | Quasi-bidirectional I/O 6 | ||
| p7 | Quasi-bidirectional I/O 7 | ||
| scl | Serial clock line | ||
| sda | Serial data line | ||
| vdd | Supply voltage | ||
| vss | Supply ground |
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Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.