PCA9538DBR vs PCF8574TD Comparaison
Comparaison détaillée côte à côte de PCA9538DBR par Texas Instruments et PCF8574TD 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.
Comparaison des spécifications
| Paramètre | PCA9538DBR | PCF8574TD |
|---|---|---|
| Marque | Texas Instruments | NXP Semiconductors |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Obsolete | Actif |
| Number of I/O Ports | 8 ports | — |
| Operating Supply Voltage Range | 2.3 V to 5.5 V | — |
| Type d'interface | I2C and SMBus | — |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Interrupt Output | 1 interrupt output | — |
| Reset Input | 1 reset input | — |
| Configuration Registers | Configuration, port, and polarity control | — |
| Standby Current | 1 uA | 10 uA maximum |
| Boîtier | 16-pin SSOP | SO-16 (Small Outline, 16-pin) |
| Package Family | SSOP family, surface-mount SMD | — |
| Type de montage | Surface mount | Surface Mount |
| Nombre de broches | 16 pins | — |
| I/O Configuration | Individually configurable as input or output | — |
| Input Polarity Control | Configurable input polarity inversion | — |
| Address Configuration | Hardware-configurable bus address | — |
| Plage de température de fonctionnement | [DATA_NEEDED: operating temperature range] | — |
| Statut RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Halogen-Free Status | [DATA_NEEDED: halogen-free status] | — |
| Fonction | — | Remote 8-bit I/O expander for I2C-bus |
| Number of I/O | — | 8 (quasi-bidirectional) |
| Interface | — | I2C-bus (2-wire, up to 400 kHz) |
| Supply Voltage (VCC) | — | 2.5 V to 6 V |
| I2C Address Range (PCF8574) | — | 0x20 to 0x27 (3 HW address bits) |
| Interrupt Output (INT) | — | Yes, open-drain, active-low |
| Maximum Bus Frequency | — | 400 kHz |
| Output Drive Capability | — | 25 mA sink per pin (quasi-bidirectional) |
| Température de fonctionnement | — | -40C to +85C (industrial) |
| Process Technology | — | Silicon CMOS |
| Niveau MSL | — | [DATA_NEEDED: MSL rating] |
| ESD Rating | — | [DATA_NEEDED: ESD HBM rating] |