PCA8574D,512 vs PCF8574DW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCA8574D,512 sa pamamagitan ng NXP Semiconductors at PCF8574DW 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.
NXP Semiconductors
PCA8574D,512 - 8-Bit I2C I/O Expander 400kHz SOIC-16 | NXP
PCA8574D,512 ✗ Tapus ng BuhayTexas Instruments
PCF8574DW - 8-Bit 100kHz I2C I/O Expander | Texas Instruments
PCF8574DW ✓ NakahandaPagsanggunian na paghahambing
| Parametro | PCA8574D,512 | PCF8574DW |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Tapus ng Buhay | Aktibo |
| Product Type | Remote 8-bit I/O expander for I2C-bus with interrupt | 8-bit I2C I/O expander |
| Number of I/O Lines | 8 quasi-bidirectional (8 input / 8 output capable) | — |
| Interface | I2C-bus (2-wire, SCL and SDA) | I2C two-line bidirectional bus |
| I2C Bus Speed | 400 kHz (Fast-mode) | — |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| Hardware Address Pins | 3 (A0, A1, A2) - up to 8 devices per fixed address | — |
| Interrupt Output | Yes - open-drain, active-low INT | Open-drain |
| Type ng Output | Quasi-bidirectional, latched, with power-on reset | — |
| Packhaging | 16-SO (SOIC-16, SOT109-1) | 16-SOIC |
| Uri ng Pagpapasok | Surface Mount | Surface mount |
| Tindminan RoHS | Compliant (ordering code suffix ,512) | — |
| Compatible Predecessor | PCF8574 (pin-compatible family member) | — |
| Typical Applications | Keypads, LED driving, relay expansion, remote I/O | — |
| Max Devices per Bus | 8 (PCA8574) + 8 (PCA8574A) = 16 expanders / 128 I/Os | — |
| Katayuan ng Lifecycle | End of Life per NXP product page | — |
| Temperature na Operasyon | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Number of I/O Ports | — | 8 |
| I2C Maximum Clock Frequency | — | 100 kHz |
| Operating Supply Range | — | 2.5 V to 6 V VCC |
| Product-Page Supply Range | — | 2.5 V to 5.5 V |
| Port Architecture | — | Quasi-bidirectional I/O |
| Standby Current | — | 10 µA maximum |
| Bilang ng Pin | — | 16 pins |
| Application Category | — | I/O expander |
| Bus | — | I2C/SMBus |
| Port Names | — | P0 through P7 |
| Manufacturer | — | Texas Instruments |
| Compliance Information | — | [DATA_NEEDED: RoHS status] |