PCA9557PW vs PCF8574T Vergleich
Detaillierter Direktvergleich von PCA9557PW 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 | PCA9557PW | PCF8574T |
|---|---|---|
| Marke | NXP Semiconductors | NXP Semiconductors |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Obsolete |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $0,00 | $0,61 |
| Product Type | 8-bit parallel I/O expander | 8-bit I/O Expander |
| Bus Interface | I2C/SMBus | I2C (Standard 100 kHz, Fast 400 kHz) |
| VCC Operating Voltage | 2.3 V to 5.5 V | — |
| I2C/SMBus Maximum Frequency | 400 kHz | — |
| Input Port | 8-bit | — |
| Output Port | 8-bit | — |
| IO0 Output Type | High-impedance open-drain output | — |
| Parallel I/O Count | 8 I/O | — |
| Versorgungsstrom | [DATA_NEEDED: supply current] | — |
| Input Logic Levels | [DATA_NEEDED: input logic levels] | — |
| Output Logic Levels | [DATA_NEEDED: output logic levels] | — |
| I2C Address | [DATA_NEEDED: I2C address] | — |
| Betriebstemperatur | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Gehäuse | 16-pin TSSOP | SOIC-16 (T suffix) |
| Montageart | Surface mount | — |
| RoHS-Status | unknown | Compliant |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | unknown | — |
| 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) |
| Interrupt Output | — | Yes, open-drain INT pin |
| 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 |