PCF8574DW vs PCA8574D-T Comparación
Comparación detallada lado a lado de PCF8574DW por Texas Instruments y PCA8574D-T por NXP Semiconductors. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | PCF8574DW | PCA8574D-T |
|---|---|---|
| Marca | Texas Instruments | NXP Semiconductors |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Activo | Fin de vida |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $1,10 | $0,98 |
| 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 | — |
| Interfaz | I2C two-line bidirectional bus | I2C-bus (2-line: SCL, SDA) |
| Port Architecture | Quasi-bidirectional I/O | — |
| Interrupt Output | Open-drain | Yes (open-drain INT) |
| Standby Current | 10 µA maximum | — |
| Encapsulado | 16-SOIC | SO16 (SOIC-16) |
| Recuento de pines | 16 pins | — |
| Tipo de montaje | Surface mount | Surface Mount |
| Application Category | I/O expander | — |
| Bus | I2C/SMBus | — |
| Port Names | P0 through P7 | — |
| Manufacturer | Texas Instruments | — |
| Compliance Information | [DATA_NEEDED: RoHS status] | — |
| Temperatura de funcionamiento | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Función | — | Remote 8-bit I/O expander for I2C-bus with interrupt |
| Number of I/O | — | 8 (quasi-bidirectional) |
| I2C Bus Speed | — | 400 kHz (Fast-mode) |
| Address Pins | — | 3 (A0, A1, A2) |
| Max Devices per Bus (PCA8574/74A) | — | 16 (up to 128 I/Os) |
| Supply Voltage Range | — | [DATA_NEEDED: supply voltage range] |
| Tipo de salida | — | Quasi-bidirectional, latched |
| Packaging | — | Tape and Reel (-T suffix) |
| Estado RoHS | — | unknown |
| Nivel MSL | — | [DATA_NEEDED: moisture sensitivity level] |
| Estado del ciclo de vida | — | End of Life (per NXP product page) |