PCF8574PW vs PCA9500PW Karşılaştırma
Ayrıntılı yan yana karşılaştırma PCF8574PW tarafından Texas Instruments ve PCA9500PW tarafından NXP SemiconductorsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ Aktif
Özellik Karşılaştırması
| Parametre | PCF8574PW | PCA9500PW |
|---|---|---|
| Marka | Texas Instruments | NXP Semiconductors |
| Kategori | Interface ICs | Interface ICs |
| Yaşam Döngüsü Durumu | Aktif | Aktif |
| Fonksiyon | I/O Expander | — |
| Number of I/O | 8 | — |
| Arayüz | I2C (SMBus compatible) | — |
| Clock Frequency (Max) | 100 kHz | — |
| I2C Address Base | 0x20 (PCF8574A: 0x38) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | — |
| Supply Current (Standby) | 2.5 uA typical | — |
| Interrupt Output | Yes (active-low INT) | — |
| Hardware Address Pins | 3 (A0, A1, A2) | — |
| Max Devices on Bus | 8 (16 combined with PCF8574A) | — |
| Output Drive (Source/Sink) | 25 mA / 25 mA per I/O | — |
| I/O Type | Quasi-bidirectional (no direction register) | — |
| Paket | 20-pin TSSOP (PW) | 16-pin TSSOP |
| İşletim Sıcaklığı | -40 C to +85 C | — |
| Montaj Türü | Surface Mount | Surface mount |
| RoHS Durumu | Compliant | — |
| MSL Seviyesi | 1 (unlimited floor life) | — |
| Product Type | — | 8-bit I2C-bus and SMBus I/O port expander with EEPROM |
| Number of I/O Pins | — | 8 pins |
| I/O Direction Control | — | Independent input or output configuration per pin |
| I/O Port Type | — | Quasi-bidirectional |
| Integrated EEPROM Capacity | — | 2 kbit |
| Bus Interface | — | I2C-bus and SMBus |
| Maximum Bus Frequency | — | 400 kHz |
| Supply Voltage Range | — | 2.5 V to 3.6 V |
| İşletim Sıcaklığı Aralığı | — | -40 °C to +85 °C |
| Hardware Address Inputs | — | 3 address pins |
| Maximum Devices on One Bus | — | 8 devices |
| GPIO and EEPROM Addressing | — | Two separate devices visible to the bus master |
| Reference Interface | — | PCF8574-compatible configuration method |
| RoHS Compliance | — | [DATA_NEEDED: verified RoHS status] |
| REACH Compliance | — | [DATA_NEEDED: verified REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification status] |