PCA8574D,512 vs PCF8574DW Comparação
Comparação detalhada lado a lado de PCA8574D,512 por NXP Semiconductors e PCF8574DW por Texas Instruments. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
NXP Semiconductors
PCA8574D,512 - 8-Bit I2C I/O Expander 400kHz SOIC-16 | NXP
PCA8574D,512 ✗ Fim de vidaComparação de especificações
| Parâmetro | PCA8574D,512 | PCF8574DW |
|---|---|---|
| Marca | NXP Semiconductors | Texas Instruments |
| Categoria | Interface ICs | Interface ICs |
| Status do ciclo de vida | Fim de vida | Ativo |
| Product Type | Remote 8-bit I/O expander for I2C-bus with interrupt | 8-bit I2C I/O expander |
| Number of I/O Lines | 8 quasi-bidirectional (8 input / 8 output capable) | — |
| Interface | I2C-bus (2-wire, SCL and SDA) | I2C two-line bidirectional bus |
| I2C Bus Speed | 400 kHz (Fast-mode) | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Hardware Address Pins | 3 (A0, A1, A2) - up to 8 devices per fixed address | — |
| Interrupt Output | Yes - open-drain, active-low INT | Open-drain |
| Tipo de saída | Quasi-bidirectional, latched, with power-on reset | — |
| Encapsulamento | 16-SO (SOIC-16, SOT109-1) | 16-SOIC |
| Tipo de montagem | Surface Mount | Surface mount |
| Status RoHS | Compliant (ordering code suffix ,512) | — |
| Compatible Predecessor | PCF8574 (pin-compatible family member) | — |
| Typical Applications | Keypads, LED driving, relay expansion, remote I/O | — |
| Max Devices per Bus | 8 (PCA8574) + 8 (PCA8574A) = 16 expanders / 128 I/Os | — |
| Status do ciclo de vida | End of Life per NXP product page | — |
| Temperatura de operação | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| 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 |
| Standby Current | — | 10 µA maximum |
| Contagem de pinos | — | 16 pins |
| Application Category | — | I/O expander |
| Bus | — | I2C/SMBus |
| Port Names | — | P0 through P7 |
| Manufacturer | — | Texas Instruments |
| Compliance Information | — | [DATA_NEEDED: RoHS status] |