PCF8574PW vs PCF8574PWR Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574PW sa pamamagitan ng Texas Instruments at PCF8574PWR sa pamamagitan ng Texas Instruments. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ NakahandaTexas Instruments
PCF8574PWR - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments
PCF8574PWR ✓ NakahandaPagsanggunian na paghahambing
| Parametro | PCF8574PW | PCF8574PWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Fungsi | I/O Expander | I/O Expander |
| Number of I/O | 8 | 8 |
| Interface | 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) |
| Packhaging | 20-pin TSSOP (PW) | 20-pin TSSOP (PW) |
| Temperature na Operasyon | -40 C to +85 C | -40 C to +85 C |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | Compliant |
| Level ng MSL | 1 (unlimited floor life) | 1 (unlimited floor life) |