PCF8574TD vs PCF8574T Karşılaştırma
Ayrıntılı yan yana karşılaştırma PCF8574TD tarafından NXP Semiconductors ve PCF8574T tarafından NXP SemiconductorsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T ObsoleteÖzellik Karşılaştırması
| Parametre | PCF8574TD | PCF8574T |
|---|---|---|
| Marka | NXP Semiconductors | NXP Semiconductors |
| Kategori | Interface ICs | Interface ICs |
| Yaşam Döngüsü Durumu | Aktif | Obsolete |
| Fonksiyon | Remote 8-bit I/O expander for I2C-bus | — |
| Number of I/O | 8 (quasi-bidirectional) | — |
| Arayüz | 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) | — |
| İşletim Sıcaklığı | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Paket | SO-16 (Small Outline, 16-pin) | SOIC-16 (T suffix) |
| Montaj Türü | Surface Mount | — |
| Process Technology | Silicon CMOS | Silicon CMOS |
| RoHS Durumu | Compliant | Compliant |
| MSL Seviyesi | [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] |