PCA8574D vs PCF8574T Comparaison
Comparaison détaillée côte à côte de PCA8574D par NXP Semiconductors et PCF8574T 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
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T ObsoleteComparaison des spécifications
| Paramètre | PCA8574D | PCF8574T |
|---|---|---|
| Marque | NXP Semiconductors | NXP Semiconductors |
| Catégorie | USB Interface ICs | Interface ICs |
| Statut du cycle de vie | Fin de vie | Obsolete |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,74 | $0,61 |
| Fonction | Remote 8-bit I/O expander for I2C-bus with interrupt | — |
| Number of I/O Ports | 8 quasi-bidirectional | — |
| Interface | I2C-bus (SCL, SDA) | — |
| I2C Bus Speed | 400 kHz | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Hardware Address Pins | 3 (A0, A1, A2) - 8 addresses | — |
| Interrupt Output | Yes, open-drain INT with latched flag | Yes, open-drain INT pin |
| Power-on Reset | Yes, ports initialized high (input mode) | — |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Boîtier | SO16 (SOIC-16, SOT109-1) | SOIC-16 (T suffix) |
| Type de montage | Surface Mount | — |
| Ordering Suffixes | PCA8574D,512 (Reel 13 inch), PCA8574D,518 (Reel 7 inch) | — |
| Max Devices per Bus | 8 (PCA8574) or 16 with PCA8574A (128 I/Os total) | — |
| LED Driving | Direct drive, current-sink mode per family datasheet | — |
| Statut RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| Statut du cycle de vie | End of Life (per NXP product page) | — |
| Product Type | — | 8-bit I/O Expander |
| Bus Interface | — | I2C (Standard 100 kHz, Fast 400 kHz) |
| Supply Voltage (VCC) | — | 2.5 V to 6 V |
| Number of I/O Pins | — | 8 (quasi-bidirectional, P0-P7) |
| I2C Address Bits | — | 3 (A0, A1, A2) |
| Base Address | — | 0x20 (PCF8574) / 0x38 (PCF8574A) |
| Addressable Devices per Bus | — | 8 (addresses 0x20-0x27) |
| Output Current (drive LOW) | — | [DATA_NEEDED: sink current per pin mA] |
| Standby Current | — | [DATA_NEEDED: Istandby in uA] |
| Niveau MSL | — | 1 (unlimited floor life) |
| Process Technology | — | Silicon CMOS |