PCF8574PW vs PCA9500PW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574PW sa pamamagitan ng Texas Instruments at PCA9500PW sa pamamagitan ng NXP Semiconductors. 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 ✓ Nakahanda
Pagsanggunian na paghahambing
| Parametro | PCF8574PW | PCA9500PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Fungsi | I/O Expander | — |
| Number of I/O | 8 | — |
| Interface | 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) | — |
| Packhaging | 20-pin TSSOP (PW) | 16-pin TSSOP |
| Temperature na Operasyon | -40 C to +85 C | — |
| Uri ng Pagpapasok | Surface Mount | Surface mount |
| Tindminan RoHS | Compliant | — |
| Level ng MSL | 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 |
| Hanay ng Temperature na Operasyon | — | -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] |