PCA9557D vs PCA9539DW Comparaison
Comparaison détaillée côte à côte de PCA9557D par Texas Instruments et PCA9539DW 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
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Fin de vie
Comparaison des spécifications
| Paramètre | PCA9557D | PCA9539DW |
|---|---|---|
| Marque | Texas Instruments | Texas Instruments |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Fin de vie | Actif |
| Number of I/O Bits | 8 | — |
| Interface | I2C, SMBus | — |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Température de fonctionnement | -40 C to +85 C | -40 C to +85 C |
| Standby Current (Max) | 1 uA | — |
| Output Drive Current per Bit | [DATA_NEEDED: per-bit source/sink mA rating] | — |
| I/O Voltage Tolerance | 5.5 V tolerant | — |
| Reset Input | Active-low hardware RESET + software reset (general call) | — |
| Interrupt Output (INT) | Yes, open-drain | — |
| Slave Address Pins | A0, A1, A2 (3 pins, 8 addresses within family) | — |
| Boîtier | 16-SOIC (DR, 7.5 mil pitch) | 24-pin SOIC (DW) |
| Type de montage | Surface Mount | Surface Mount |
| Niveau MSL | 1 (unlimited floor life) | — |
| Statut RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Lead-Free | Yes | — |
| Configuration Registers | Input/output direction registers, polarity inversion | Yes |
| Product Type | — | 16-bit I/O expander |
| I/O Pin Count | — | 16 pins |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Serial Bus Interface | — | I2C/SMBus |
| Maximum Bus Clock | — | 400 kHz |
| Configuration de sortie | — | Push-pull |
| Output Source Current | — | 10 mA and 25 mA options |
| Output Sink Current | — | 10 mA and 25 mA options |
| Interrupt | — | Yes |
| Reset | — | Yes |
| Power-On Reset | — | Yes |
| Internal I/O Pull-Up Resistors | — | Removed according to TI product comparison |
| REACH Status | — | [DATA_NEEDED: REACH status] |