PCA9534PW vs PCF8574PWR Comparación
Comparación detallada lado a lado de PCA9534PW por NXP Semiconductors y PCF8574PWR por Texas Instruments. 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.
Texas Instruments
PCF8574PWR - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments
PCF8574PWR ✓ ActivoComparación de especificaciones
| Parámetro | PCA9534PW | PCF8574PWR |
|---|---|---|
| Marca | NXP Semiconductors | Texas Instruments |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $0,00 | $0,77 |
| Device Type | 8-bit CMOS I2C-bus and SMBus low-power I/O port expander | — |
| Number of GPIO Pins | 8 | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| I2C Bus Frequency | 400 kHz | — |
| Interfaz | I2C-bus and SMBus | I2C (SMBus compatible) |
| Interrupt Output | Yes | Yes (active-low INT) |
| Configuration Registers | Yes | — |
| Address Configuration Pins | A0, A1, and A2 | — |
| Maximum Devices Sharing Bus | 8 devices per manufacturer data | — |
| Internal I/O Pull-up Resistors | Removed | — |
| Encapsulado | 16-pin TSSOP | 20-pin TSSOP (PW) |
| Recuento de pines | 16 pins | — |
| Tipo de montaje | Surface Mount | Surface Mount |
| PCF8574 Compatibility | Pin-to-pin and I2C address compatible; software changes required | — |
| Manufacturer | NXP Semiconductors | — |
| Estado del ciclo de vida | Active | — |
| Temperatura de funcionamiento | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Estado RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Función | — | I/O Expander |
| Number of I/O | — | 8 |
| Clock Frequency (Max) | — | 100 kHz |
| I2C Address Base | — | 0x20 (PCF8574A: 0x38) |
| Supply Voltage (VCC) | — | 2.5 V to 6 V |
| Supply Current (Standby) | — | 2.5 uA typical |
| Hardware Address Pins | — | 3 (A0, A1, A2) |
| Max Devices on Bus | — | 8 (16 combined with PCF8574A) |
| Output Drive (Source/Sink) | — | 25 mA / 25 mA per I/O |
| I/O Type | — | Quasi-bidirectional (no direction register) |
| Nivel MSL | — | 1 (unlimited floor life) |