PCF8574TD vs PCA9538DBR Vergleich
Detaillierter Direktvergleich von PCF8574TD von NXP Semiconductors und PCA9538DBR von Texas Instruments. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Spezifikationsvergleich
| Parameter | PCF8574TD | PCA9538DBR |
|---|---|---|
| Marke | NXP Semiconductors | Texas Instruments |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Obsolete |
| Funktion | Remote 8-bit I/O expander for I2C-bus | — |
| Number of I/O | 8 (quasi-bidirectional) | — |
| Schnittstelle | 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) | — |
| Betriebstemperatur | -40C to +85C (industrial) | — |
| Gehäuse | SO-16 (Small Outline, 16-pin) | 16-pin SSOP |
| Montageart | Surface Mount | Surface mount |
| Process Technology | Silicon CMOS | — |
| RoHS-Status | Compliant | [DATA_NEEDED: RoHS status] |
| MSL-Level | [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 |
| Schnittstellentyp | — | 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-Anzahl | — | 16 pins |
| I/O Configuration | — | Individually configurable as input or output |
| Input Polarity Control | — | Configurable input polarity inversion |
| Address Configuration | — | Hardware-configurable bus address |
| Betriebstemperaturbereich | — | [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] |