PCA9500PW vs PCF8574PW Comparaison
Comparaison détaillée côte à côte de PCA9500PW 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 | PCA9500PW | PCF8574PW |
|---|---|---|
| Marque | NXP Semiconductors | Texas Instruments |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Actif |
| Product Type | 8-bit I2C-bus and SMBus I/O port expander with EEPROM | — |
| Number of I/O Pins | 8 pins | — |
| I/O Direction Control | Independent input or output configuration per pin | — |
| I/O Port Type | Quasi-bidirectional | — |
| Integrated EEPROM Capacity | 2 kbit | — |
| Bus Interface | I2C-bus and SMBus | — |
| Maximum Bus Frequency | 400 kHz | — |
| Supply Voltage Range | 2.5 V to 3.6 V | — |
| Plage de température de fonctionnement | -40 °C to +85 °C | — |
| Hardware Address Inputs | 3 address pins | — |
| Maximum Devices on One Bus | 8 devices | — |
| Boîtier | 16-pin TSSOP | 20-pin TSSOP (PW) |
| Type de montage | Surface mount | Surface Mount |
| GPIO and EEPROM Addressing | Two separate devices visible to the bus master | — |
| Reference Interface | PCF8574-compatible configuration method | — |
| RoHS Compliance | [DATA_NEEDED: verified RoHS status] | — |
| REACH Compliance | [DATA_NEEDED: verified REACH status] | — |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification status] | — |
| Fonction | — | I/O Expander |
| Number of I/O | — | 8 |
| Interface | — | I2C (SMBus compatible) |
| 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) |
| 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) |
| Température de fonctionnement | — | -40 C to +85 C |
| Statut RoHS | — | Compliant |
| Niveau MSL | — | 1 (unlimited floor life) |