PCF8574TD vs PCA9538DBR Karşılaştırma
Ayrıntılı yan yana karşılaştırma PCF8574TD tarafından NXP Semiconductors ve PCA9538DBR tarafından Texas InstrumentsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Özellik Karşılaştırması
| Parametre | PCF8574TD | PCA9538DBR |
|---|---|---|
| Marka | NXP Semiconductors | Texas Instruments |
| 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 | — |
| Standby Current | 10 uA maximum | 1 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) | — |
| Paket | SO-16 (Small Outline, 16-pin) | 16-pin SSOP |
| Montaj Türü | Surface Mount | Surface mount |
| Process Technology | Silicon CMOS | — |
| RoHS Durumu | Compliant | [DATA_NEEDED: RoHS status] |
| MSL Seviyesi | [DATA_NEEDED: MSL rating] | — |
| ESD Rating | [DATA_NEEDED: ESD HBM rating] | — |
| Number of I/O Ports | — | 8 ports |
| Operating Supply Voltage Range | — | 2.3 V to 5.5 V |
| Arayüz Türü | — | I2C and SMBus |
| Maximum I2C Bus Frequency | — | 400 kHz |
| Interrupt Output | — | 1 interrupt output |
| Reset Input | — | 1 reset input |
| Configuration Registers | — | Configuration, port, and polarity control |
| Package Family | — | SSOP family, surface-mount SMD |
| Pin Sayısı | — | 16 pins |
| I/O Configuration | — | Individually configurable as input or output |
| Input Polarity Control | — | Configurable input polarity inversion |
| Address Configuration | — | Hardware-configurable bus address |
| İşletim Sıcaklığı Aralığı | — | [DATA_NEEDED: operating temperature range] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |
| Lead-Free Status | — | [DATA_NEEDED: lead-free status] |
| Halogen-Free Status | — | [DATA_NEEDED: halogen-free status] |