PCF8574PW vs PCA9500PW Vergleich
Detaillierter Direktvergleich von PCF8574PW von Texas Instruments und PCA9500PW von NXP Semiconductors. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ Aktiv
Spezifikationsvergleich
| Parameter | PCF8574PW | PCA9500PW |
|---|---|---|
| Marke | Texas Instruments | NXP Semiconductors |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Funktion | I/O Expander | — |
| Number of I/O | 8 | — |
| Schnittstelle | 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) | — |
| Gehäuse | 20-pin TSSOP (PW) | 16-pin TSSOP |
| Betriebstemperatur | -40 C to +85 C | — |
| Montageart | Surface Mount | Surface mount |
| RoHS-Status | Compliant | — |
| MSL-Level | 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 |
| Betriebstemperaturbereich | — | -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] |