PCF8574PW vs PCF8574PWR Vergleich
Detaillierter Direktvergleich von PCF8574PW von Texas Instruments und PCF8574PWR von Texas Instruments. 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 ✓ AktivTexas Instruments
PCF8574PWR - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments
PCF8574PWR ✓ AktivSpezifikationsvergleich
| Parameter | PCF8574PW | PCF8574PWR |
|---|---|---|
| Marke | Texas Instruments | Texas Instruments |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $0,77 | $0,77 |
| Funktion | I/O Expander | I/O Expander |
| Number of I/O | 8 | 8 |
| Schnittstelle | I2C (SMBus compatible) | I2C (SMBus compatible) |
| Clock Frequency (Max) | 100 kHz | 100 kHz |
| I2C Address Base | 0x20 (PCF8574A: 0x38) | 0x20 (PCF8574A: 0x38) |
| Supply Voltage (VCC) | 2.5 V to 6 V | 2.5 V to 6 V |
| Supply Current (Standby) | 2.5 uA typical | 2.5 uA typical |
| Interrupt Output | Yes (active-low INT) | Yes (active-low INT) |
| Hardware Address Pins | 3 (A0, A1, A2) | 3 (A0, A1, A2) |
| Max Devices on Bus | 8 (16 combined with PCF8574A) | 8 (16 combined with PCF8574A) |
| Output Drive (Source/Sink) | 25 mA / 25 mA per I/O | 25 mA / 25 mA per I/O |
| I/O Type | Quasi-bidirectional (no direction register) | Quasi-bidirectional (no direction register) |
| Gehäuse | 20-pin TSSOP (PW) | 20-pin TSSOP (PW) |
| Betriebstemperatur | -40 C to +85 C | -40 C to +85 C |
| Montageart | Surface Mount | Surface Mount |
| RoHS-Status | Compliant | Compliant |
| MSL-Level | 1 (unlimited floor life) | 1 (unlimited floor life) |