PCA9557D vs PCA9557DT Comparación
Comparación detallada lado a lado de PCA9557D por Texas Instruments y PCA9557DT 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
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Fin de vidaComparación de especificaciones
| Parámetro | PCA9557D | PCA9557DT |
|---|---|---|
| Marca | Texas Instruments | Texas Instruments |
| Categoría | Interface ICs | Interface ICs |
| Estado del ciclo de vida | Fin de vida | NRND |
| Number of I/O Bits | 8 | — |
| Interfaz | I2C, SMBus | I2C and SMBus |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Temperatura de funcionamiento | -40 C to +85 C | -40 C to +85 C |
| Standby Current (Max) | 1 uA | — |
| Output Drive Current per Bit | [DATA_NEEDED: per-bit source/sink mA rating] | — |
| I/O Voltage Tolerance | 5.5 V tolerant | — |
| Reset Input | Active-low hardware RESET + software reset (general call) | — |
| Interrupt Output (INT) | Yes, open-drain | — |
| Slave Address Pins | A0, A1, A2 (3 pins, 8 addresses within family) | — |
| Encapsulado | 16-SOIC (DR, 7.5 mil pitch) | 16-SOIC |
| Tipo de montaje | Surface Mount | Surface mount |
| Nivel MSL | 1 (unlimited floor life) | — |
| Estado RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Lead-Free | Yes | — |
| Configuration Registers | Input/output direction registers, polarity inversion | — |
| Device Type | — | 8-bit I2C/SMBus low-power I/O expander |
| Number of I/O Ports | — | 8 |
| Operating Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C/SMBus Clock Frequency | — | 400 kHz |
| Standby Current Consumption | — | 1 uA maximum |
| Tipo de salida | — | Open-drain and push-pull |
| Output Source Current | — | 10 mA |
| Output Sink Current | — | 25 mA |
| Reset Function | — | Reset register and reset input functionality |
| Configuration Function | — | Configuration register |
| Interrupt Output | — | No interrupt output |
| Programmability | — | Not verified |
| Package Width | — | 3.90 mm |
| Estado del ciclo de vida | — | Obsolete according to Digi-Electronics listing |
| REACH Status | — | [DATA_NEEDED: REACH status] |