PCA8574D vs PCF8574T Vergleich
Detaillierter Direktvergleich von PCA8574D von NXP Semiconductors und PCF8574T von NXP Semiconductors. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T ObsoleteSpezifikationsvergleich
| Parameter | PCA8574D | PCF8574T |
|---|---|---|
| Marke | NXP Semiconductors | NXP Semiconductors |
| Kategorie | USB Interface ICs | Interface ICs |
| Lebenszyklusstatus | Ende des Lebenszyklus | Obsolete |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $0,74 | $0,61 |
| Funktion | Remote 8-bit I/O expander for I2C-bus with interrupt | — |
| Number of I/O Ports | 8 quasi-bidirectional | — |
| Schnittstelle | I2C-bus (SCL, SDA) | — |
| I2C Bus Speed | 400 kHz | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Hardware Address Pins | 3 (A0, A1, A2) - 8 addresses | — |
| Interrupt Output | Yes, open-drain INT with latched flag | Yes, open-drain INT pin |
| Power-on Reset | Yes, ports initialized high (input mode) | — |
| Betriebstemperatur | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Gehäuse | SO16 (SOIC-16, SOT109-1) | SOIC-16 (T suffix) |
| Montageart | Surface Mount | — |
| Ordering Suffixes | PCA8574D,512 (Reel 13 inch), PCA8574D,518 (Reel 7 inch) | — |
| Max Devices per Bus | 8 (PCA8574) or 16 with PCA8574A (128 I/Os total) | — |
| LED Driving | Direct drive, current-sink mode per family datasheet | — |
| RoHS-Status | [DATA_NEEDED: RoHS status] | Compliant |
| Lebenszyklusstatus | End of Life (per NXP product page) | — |
| Product Type | — | 8-bit I/O Expander |
| Bus Interface | — | I2C (Standard 100 kHz, Fast 400 kHz) |
| Supply Voltage (VCC) | — | 2.5 V to 6 V |
| 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) |
| Output Current (drive LOW) | — | [DATA_NEEDED: sink current per pin mA] |
| Standby Current | — | [DATA_NEEDED: Istandby in uA] |
| MSL-Level | — | 1 (unlimited floor life) |
| Process Technology | — | Silicon CMOS |