PCF8575DWR vs PCA9555DWR Comparación
Comparación detallada lado a lado de PCF8575DWR por Texas Instruments y PCA9555DWR 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.
Comparación de especificaciones
| Parámetro | PCF8575DWR | PCA9555DWR |
|---|---|---|
| Marca | Texas Instruments | Texas Instruments |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Activo | Activo |
| Number of I/O Lines | 16 lines | — |
| Tipo de interfaz | I2C and SMBus | — |
| Tensión de alimentación de funcionamiento | 2.5 V to 5.5 V | — |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Maximum Standby Current | 10 uA | — |
| Interrupt Output | Open drain | Active-low, open-drain |
| Hardware Address Inputs | 3 address pins | — |
| Maximum Devices per Bus | 8 devices | — |
| Temperatura de funcionamiento | -40 C to +85 C | — |
| Encapsulado | 24-pin SOIC (DW) | 24-pin SOIC (DW) |
| Recuento de pines | 24 pins | 24 pins |
| Tipo de montaje | Surface mount | Surface mount |
| Output Drive Capability | [DATA_NEEDED: output current rating] | — |
| Output Port Configuration | Latched quasi-bidirectional | — |
| Active-High Output Mechanism | Current source to VCC | — |
| LED Direct Drive | Supported | — |
| Estado RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| REACH Status | [DATA_NEEDED: REACH compliance status] | [DATA_NEEDED: REACH status] |
| AEC-Q100 Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | [DATA_NEEDED: AEC-Q100 qualification] |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Halogen-Free Status | [DATA_NEEDED: halogen-free status] | — |
| Device Type | — | 16-bit I2C/SMBus I/O expander |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I/O Port Count | — | 16 bits |
| Port Organization | — | 2 x 8-bit ports |
| Bus Interface | — | I2C/SMBus |
| Maximum Bus Frequency | — | 400 kHz |
| Weak Pull-up Registers | — | Configurable |
| Configuration Registers | — | Input/output, polarity and port configuration |
| Output Drive | — | Push-pull outputs |
| Rango de temperatura de funcionamiento | — | -40°C to +85°C |
| Package Type | — | SOIC |
| Low Standby Current | — | 1 µA maximum |