PCF8574TD vs PCF8574T Comparaison
Comparaison détaillée côte à côte de PCF8574TD par NXP Semiconductors et PCF8574T 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 ObsoleteComparaison des spécifications
| Paramètre | PCF8574TD | PCF8574T |
|---|---|---|
| Marque | NXP Semiconductors | NXP Semiconductors |
| Catégorie | Interface ICs | Interface ICs |
| Statut du cycle de vie | Actif | Obsolete |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $0,96 | $0,61 |
| 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 | 2.5 V to 6 V |
| Standby Current | 10 uA maximum | [DATA_NEEDED: Istandby in uA] |
| 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) | -40C to +85C (industrial) |
| Boîtier | SO-16 (Small Outline, 16-pin) | SOIC-16 (T suffix) |
| Type de montage | Surface Mount | — |
| Process Technology | Silicon CMOS | Silicon CMOS |
| Statut RoHS | Compliant | Compliant |
| Niveau MSL | [DATA_NEEDED: MSL rating] | 1 (unlimited floor life) |
| ESD Rating | [DATA_NEEDED: ESD HBM rating] | — |
| Product Type | — | 8-bit I/O Expander |
| Bus Interface | — | I2C (Standard 100 kHz, Fast 400 kHz) |
| 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] |