PCA9557D vs PCF8574DW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCA9557D sa pamamagitan ng Texas Instruments 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.
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Tapus ng BuhayTexas Instruments
PCF8574DW - 8-Bit 100kHz I2C I/O Expander | Texas Instruments
PCF8574DW ✓ NakahandaPagsanggunian na paghahambing
| Parametro | PCA9557D | PCF8574DW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Tapus ng Buhay | Aktibo |
| Number of I/O Bits | 8 | — |
| Interface | I2C, SMBus | I2C two-line bidirectional bus |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Temperature na Operasyon | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Standby Current (Max) | 1 uA | — |
| Output Drive Current per Bit | [DATA_NEEDED: per-bit source/sink mA rating] | — |
| I/O Voltage Tolerance | 5.5 V tolerant | — |
| Reset Input | Active-low hardware RESET + software reset (general call) | — |
| Interrupt Output (INT) | Yes, open-drain | — |
| Slave Address Pins | A0, A1, A2 (3 pins, 8 addresses within family) | — |
| Packhaging | 16-SOIC (DR, 7.5 mil pitch) | 16-SOIC |
| Uri ng Pagpapasok | Surface Mount | Surface mount |
| Level ng MSL | 1 (unlimited floor life) | — |
| Tindminan RoHS | Compliant | — |
| Lead-Free | Yes | — |
| Configuration Registers | Input/output direction registers, polarity inversion | — |
| 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 |
| Port Architecture | — | Quasi-bidirectional I/O |
| Interrupt Output | — | Open-drain |
| 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] |