PCF8574T vs PCA9554PW Comparaison
Comparaison détaillée côte à côte de PCF8574T par NXP Semiconductors et PCA9554PW 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 Obsolete
Comparaison des spécifications
| Paramètre | PCF8574T | PCA9554PW |
|---|---|---|
| Marque | NXP Semiconductors | NXP Semiconductors |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Obsolete | Actif |
| Product Type | 8-bit I/O Expander | 8-bit I2C/SMBus I/O expander with interrupt |
| 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) | — |
| Interrupt Output | Yes, open-drain INT pin | — |
| Output Current (drive LOW) | [DATA_NEEDED: sink current per pin mA] | — |
| Standby Current | [DATA_NEEDED: Istandby in uA] | [DATA_NEEDED: Standby current] |
| Boîtier | SOIC-16 (T suffix) | 16-pin TSSOP |
| Température de fonctionnement | -40C to +85C (industrial) | [DATA_NEEDED: Operating temperature range] |
| Niveau MSL | 1 (unlimited floor life) | — |
| Statut RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Process Technology | Silicon CMOS | — |
| Number of GPIO | — | 8 bits |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| I2C/SMBus Supported Frequency | — | 100 kHz and 400 kHz |
| Interface | — | I2C-bus/SMBus |
| Interrupt Support | — | Yes |
| Port Register Features | — | Input/output and polarity configuration registers |
| Pull-Up Capability | — | Weak pull-up |
| Address Difference | — | PCA9554A has a different address |
| Type de montage | — | Surface mount |
| Maximum Output Current per Pin | — | [DATA_NEEDED: Maximum output current per pin] |
| Input Voltage Levels | — | [DATA_NEEDED: Input voltage thresholds] |
| Output Drive Capability | — | [DATA_NEEDED: Output drive current and output voltage characteristics] |
| Operating Current | — | [DATA_NEEDED: Typical and maximum operating current] |
| REACH Status | — | [DATA_NEEDED: REACH status] |