PCA9534PW vs PCF8574PW Comparaison
Comparaison détaillée côte à côte de PCA9534PW par NXP Semiconductors et PCF8574PW par Texas Instruments. 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.
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ ActifComparaison des spécifications
| Paramètre | PCA9534PW | PCF8574PW |
|---|---|---|
| Marque | NXP Semiconductors | Texas Instruments |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,00 | $0,77 |
| Device Type | 8-bit CMOS I2C-bus and SMBus low-power I/O port expander | — |
| Number of GPIO Pins | 8 | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| I2C Bus Frequency | 400 kHz | — |
| Interface | I2C-bus and SMBus | I2C (SMBus compatible) |
| Interrupt Output | Yes | Yes (active-low INT) |
| Configuration Registers | Yes | — |
| Address Configuration Pins | A0, A1, and A2 | — |
| Maximum Devices Sharing Bus | 8 devices per manufacturer data | — |
| Internal I/O Pull-up Resistors | Removed | — |
| Boîtier | 16-pin TSSOP | 20-pin TSSOP (PW) |
| Nombre de broches | 16 pins | — |
| Type de montage | Surface Mount | Surface Mount |
| PCF8574 Compatibility | Pin-to-pin and I2C address compatible; software changes required | — |
| Manufacturer | NXP Semiconductors | — |
| Statut du cycle de vie | Active | — |
| Température de fonctionnement | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Statut RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Fonction | — | I/O Expander |
| Number of I/O | — | 8 |
| Clock Frequency (Max) | — | 100 kHz |
| I2C Address Base | — | 0x20 (PCF8574A: 0x38) |
| Supply Voltage (VCC) | — | 2.5 V to 6 V |
| Supply Current (Standby) | — | 2.5 uA typical |
| Hardware Address Pins | — | 3 (A0, A1, A2) |
| Max Devices on Bus | — | 8 (16 combined with PCF8574A) |
| Output Drive (Source/Sink) | — | 25 mA / 25 mA per I/O |
| I/O Type | — | Quasi-bidirectional (no direction register) |
| Niveau MSL | — | 1 (unlimited floor life) |