PCF8574T vs PCA9534PW مقایسه
مقایسه دقیق کنار به کنار PCF8574T توسط NXP Semiconductors و PCA9534PW توسط NXP Semiconductors. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T Obsolete
مقایسه مشخصات
| پارامتر | PCF8574T | PCA9534PW |
|---|---|---|
| برند | NXP Semiconductors | NXP Semiconductors |
| دسته‌بندی | Interface ICs | Interface ICs |
| وضعیت چرخه عمر | Obsolete | فعال |
| 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] | — |
| بسته‌بندی | SOIC-16 (T suffix) | 16-pin TSSOP |
| دمای کاری | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| سطح MSL | 1 (unlimited floor life) | — |
| وضعیت 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 |
| رابط | — | 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 |
| تعداد پایه | — | 16 pins |
| نوع نصب | — | Surface Mount |
| PCF8574 Compatibility | — | Pin-to-pin and I2C address compatible; software changes required |
| Manufacturer | — | NXP Semiconductors |
| وضعیت چرخه عمر | — | Active |
| REACH Status | — | [DATA_NEEDED: REACH status] |