PCF8574DW vs PCA8574D,518 Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574DW sa pamamagitan ng Texas Instruments at PCA8574D,518 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
PCF8574DW - 8-Bit 100kHz I2C I/O Expander | Texas Instruments
PCF8574DW ✓ NakahandaNXP Semiconductors
PCA8574D,518 - 8-Bit I2C I/O Expander 400kHz SO16 | NXP
PCA8574D,518 ✗ Tapus ng BuhayPagsanggunian na paghahambing
| Parametro | PCF8574DW | PCA8574D,518 |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Tapus ng Buhay |
| Product Type | 8-bit I2C I/O expander | — |
| 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 | — |
| Interface | I2C two-line bidirectional bus | I2C (2-wire, SCL/SDA) |
| Port Architecture | Quasi-bidirectional I/O | — |
| Interrupt Output | Open-drain | Yes, open-drain active-low |
| Standby Current | 10 µA maximum | — |
| Packhaging | 16-SOIC | 16-SOIC (SO16, 7.50 mm width) |
| Bilang ng Pin | 16 pins | — |
| Uri ng Pagpapasok | Surface mount | Surface Mount |
| Application Category | I/O expander | — |
| Bus | I2C/SMBus | — |
| Port Names | P0 through P7 | — |
| Manufacturer | Texas Instruments | — |
| Compliance Information | [DATA_NEEDED: RoHS status] | — |
| Temperature na Operasyon | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Fungsi | — | Remote 8-bit I/O expander for I2C-bus with interrupt |
| Number of I/O | — | 8 (quasi-bidirectional) |
| Clock Frequency | — | 400 kHz |
| Volte ng Pagbibigay | — | 2.3 V to 5.5 V |
| Hardware Address Pins | — | 3 (A0, A1, A2) |
| Port Type | — | Quasi-bidirectional, independently assignable |
| Max Devices per Bus | — | 8 (16 with PCA8574A variant) |
| Packaging | — | Tape & Reel |
| Katayuan ng Lifecycle | — | End of Life (per NXP product page) |
| Tindminan RoHS | — | Compliant |