PCF8574T vs PCA9557PW Vergleich
Detaillierter Direktvergleich von PCF8574T von NXP Semiconductors und PCA9557PW 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 Obsolete
Spezifikationsvergleich
| Parameter | PCF8574T | PCA9557PW |
|---|---|---|
| Marke | NXP Semiconductors | NXP Semiconductors |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Obsolete | Aktiv |
| Product Type | 8-bit I/O Expander | 8-bit parallel I/O expander |
| Bus Interface | I2C (Standard 100 kHz, Fast 400 kHz) | I2C/SMBus |
| 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] | — |
| Gehäuse | SOIC-16 (T suffix) | 16-pin TSSOP |
| Betriebstemperatur | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| MSL-Level | 1 (unlimited floor life) | — |
| RoHS-Status | Compliant | unknown |
| Process Technology | Silicon CMOS | — |
| 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] |
| Montageart | — | Surface mount |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | unknown |