PCF8574ADW vs PCF8574DW Comparison
Detailed side-by-side comparison of PCF8574ADW by Texas Instruments and PCF8574DW by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | PCF8574ADW | PCF8574DW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Product Type | 8-bit I2C/SMBus I/O expander | 8-bit I2C I/O expander |
| Number of I/O Ports | 8 ports | 8 |
| Interface | I2C/SMBus | I2C two-line bidirectional bus |
| Maximum I2C Clock Frequency | 100 kHz | — |
| Operating Supply Voltage | 2.5 V to 5.5 V | — |
| Datasheet Supply Voltage Range | 2.5 V to 6 V | — |
| Number of Address Inputs | 3 inputs | — |
| Device Addressing | 8 programmable addresses | — |
| Interrupt Output | 1 open-drain interrupt output | Open-drain |
| Port Type | 8 quasi-bidirectional I/O ports | — |
| Package | 16-pin SOIC (DW) | 16-SOIC |
| Pin Count | 16 pins | 16 pins |
| Operating Temperature Range | -40 °C to +85 °C | — |
| Mounting Style | Surface mount | — |
| RoHS Compliance | [DATA_NEEDED: RoHS compliance status] | — |
| REACH Compliance | [DATA_NEEDED: REACH compliance status] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Automotive Qualification | Not indicated as AEC-Q100 qualified | — |
| I2C Maximum Clock Frequency | — | 100 kHz |
| Operating Supply Range | — | 2.5 V to 6 V VCC |
| Product-Page Supply Range | — | 2.5 V to 5.5 V |
| Port Architecture | — | Quasi-bidirectional I/O |
| Standby Current | — | 10 µA maximum |
| Mounting Type | — | Surface mount |
| Application Category | — | I/O expander |
| Bus | — | I2C/SMBus |
| Port Names | — | P0 through P7 |
| Manufacturer | — | Texas Instruments |
| Compliance Information | — | [DATA_NEEDED: RoHS status] |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |