PCF8574DW vs PCA8574D,512 Comparaison
Comparaison détaillée côte à côte de PCF8574DW par Texas Instruments et PCA8574D,512 par NXP Semiconductors. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
NXP Semiconductors
PCA8574D,512 - 8-Bit I2C I/O Expander 400kHz SOIC-16 | NXP
PCA8574D,512 ✗ Fin de vieComparaison des spécifications
| Paramètre | PCF8574DW | PCA8574D,512 |
|---|---|---|
| Marque | Texas Instruments | NXP Semiconductors |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Fin de vie |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $1,10 | $0,55 |
| Product Type | 8-bit I2C I/O expander | Remote 8-bit I/O expander for I2C-bus with interrupt |
| 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 | — |
| Interface | I2C two-line bidirectional bus | I2C-bus (2-wire, SCL and SDA) |
| Port Architecture | Quasi-bidirectional I/O | — |
| Interrupt Output | Open-drain | Yes - open-drain, active-low INT |
| Standby Current | 10 µA maximum | — |
| Boîtier | 16-SOIC | 16-SO (SOIC-16, SOT109-1) |
| Nombre de broches | 16 pins | — |
| Type de montage | 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] | — |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Number of I/O Lines | — | 8 quasi-bidirectional (8 input / 8 output capable) |
| 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 |
| Type de sortie | — | Quasi-bidirectional, latched, with power-on reset |
| Statut 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 |
| Statut du cycle de vie | — | End of Life per NXP product page |