PCF8574T vs PCA9534PW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574T sa pamamagitan ng NXP Semiconductors at PCA9534PW 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.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T Obsolete
Pagsanggunian na paghahambing
| Parametro | PCF8574T | PCA9534PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Obsolete | Aktibo |
| Product Type | 8-bit I/O Expander | — |
| Bus Interface | I2C (Standard 100 kHz, Fast 400 kHz) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | — |
| Number of I/O Pins | 8 (quasi-bidirectional, P0-P7) | — |
| I2C Address Bits | 3 (A0, A1, A2) | — |
| Base Address | 0x20 (PCF8574) / 0x38 (PCF8574A) | — |
| Addressable Devices per Bus | 8 (addresses 0x20-0x27) | — |
| Interrupt Output | Yes, open-drain INT pin | Yes |
| Output Current (drive LOW) | [DATA_NEEDED: sink current per pin mA] | — |
| Standby Current | [DATA_NEEDED: Istandby in uA] | — |
| Packhaging | SOIC-16 (T suffix) | 16-pin TSSOP |
| Temperature na Operasyon | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Level ng MSL | 1 (unlimited floor life) | — |
| Tindminan RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Process Technology | Silicon CMOS | — |
| Device Type | — | 8-bit CMOS I2C-bus and SMBus low-power I/O port expander |
| Number of GPIO Pins | — | 8 |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C Bus Frequency | — | 400 kHz |
| Interface | — | I2C-bus and SMBus |
| Configuration Registers | — | Yes |
| Address Configuration Pins | — | A0, A1, and A2 |
| Maximum Devices Sharing Bus | — | 8 devices per manufacturer data |
| Internal I/O Pull-up Resistors | — | Removed |
| Bilang ng Pin | — | 16 pins |
| Uri ng Pagpapasok | — | Surface Mount |
| PCF8574 Compatibility | — | Pin-to-pin and I2C address compatible; software changes required |
| Manufacturer | — | NXP Semiconductors |
| Katayuan ng Lifecycle | — | Active |
| REACH Status | — | [DATA_NEEDED: REACH status] |