PCA9557D vs PCF8574DW Karşılaştırma
Ayrıntılı yan yana karşılaştırma PCA9557D tarafından Texas Instruments ve PCF8574DW tarafından Texas InstrumentsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Son Kullanım ZamanıÖzellik Karşılaştırması
| Parametre | PCA9557D | PCF8574DW |
|---|---|---|
| Marka | Texas Instruments | Texas Instruments |
| Kategori | Interface ICs | Interface ICs |
| Yaşam Döngüsü Durumu | Hayat Dönemi Sonu | Aktif |
| Number of I/O Bits | 8 | — |
| Arayüz | I2C, SMBus | I2C two-line bidirectional bus |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| İşletim Sıcaklığı | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| 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) | — |
| Paket | 16-SOIC (DR, 7.5 mil pitch) | 16-SOIC |
| Montaj Türü | Surface Mount | Surface mount |
| MSL Seviyesi | 1 (unlimited floor life) | — |
| RoHS Durumu | Compliant | — |
| Lead-Free | Yes | — |
| Configuration Registers | Input/output direction registers, polarity inversion | — |
| Product Type | — | 8-bit I2C I/O expander |
| Number of I/O Ports | — | 8 |
| I2C Maximum Clock Frequency | — | 100 kHz |
| Operating Supply Range | — | 2.5 V to 6 V VCC |
| Product-Page Supply Range | — | 2.5 V to 5.5 V |
| Port Architecture | — | Quasi-bidirectional I/O |
| Interrupt Output | — | Open-drain |
| Standby Current | — | 10 µA maximum |
| Pin Sayısı | — | 16 pins |
| Application Category | — | I/O expander |
| Bus | — | I2C/SMBus |
| Port Names | — | P0 through P7 |
| Manufacturer | — | Texas Instruments |
| Compliance Information | — | [DATA_NEEDED: RoHS status] |