PCF8574PWR vs PCA9534PW Comparaison
Comparaison détaillée côte à côte de PCF8574PWR par Texas Instruments et PCA9534PW 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.
Texas Instruments
PCF8574PWR - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments
PCF8574PWR ✓ Actif
Comparaison des spécifications
| Paramètre | PCF8574PWR | PCA9534PW |
|---|---|---|
| Marque | Texas Instruments | NXP Semiconductors |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Actif |
| Fonction | I/O Expander | — |
| Number of I/O | 8 | — |
| Interface | I2C (SMBus compatible) | I2C-bus and SMBus |
| 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 | — |
| Interrupt Output | Yes (active-low INT) | Yes |
| 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) | — |
| Boîtier | 20-pin TSSOP (PW) | 16-pin TSSOP |
| Température de fonctionnement | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Type de montage | Surface Mount | Surface Mount |
| Statut RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Niveau MSL | 1 (unlimited floor life) | — |
| 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 |
| 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 |
| Nombre de broches | — | 16 pins |
| PCF8574 Compatibility | — | Pin-to-pin and I2C address compatible; software changes required |
| Manufacturer | — | NXP Semiconductors |
| Statut du cycle de vie | — | Active |
| REACH Status | — | [DATA_NEEDED: REACH status] |