TCA9554PWR vs PCF8574DWR Comparison
Detailed side-by-side comparison of TCA9554PWR by Texas Instruments and PCF8574DWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
PCF8574DWR - 8-Bit 100kHz I2C I/O Expander | Texas Instruments (Tape & Reel)
PCF8574DWR ✓ ActiveSpecification Comparison
| Parameter | TCA9554PWR | PCF8574DWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | 8-bit I/O expander | — |
| I/O Port Count | 8 ports | — |
| Supply Voltage Range | 1.65 V to 5.5 V | — |
| Interface | I2C / SMBus | I2C two-line bidirectional bus |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Interrupt Output | Yes | Open-drain |
| Configuration Registers | Yes | — |
| Weak Pull-Up Configuration | Yes | — |
| Address Inputs | A0, A1, A2 | — |
| Maximum Devices Per Bus | 8 devices | — |
| Package | 16-TSSOP | 16-SOIC |
| Pin Count | 16 pins | 16 pins |
| Mounting Type | Surface mount | Surface mount |
| Reset Behavior | Power-on reset to default state | — |
| Input Port Function | 8-bit general-purpose input | — |
| Output Port Function | 8-bit general-purpose output | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Output Current per Port | [DATA_NEEDED: output current per port] | — |
| Standby Current | [DATA_NEEDED: standby current] | 10 µA maximum |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Product Type | — | 8-bit I2C I/O expander |
| Number of I/O Ports | — | 8 |
| 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 |
| 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] |