PCA9534PW vs PCF8574T مقایسه
مقایسه دقیق کنار به کنار PCA9534PW توسط NXP Semiconductors و PCF8574T 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 Obsoleteمقایسه مشخصات
| پارامتر | PCA9534PW | PCF8574T |
|---|---|---|
| برند | NXP Semiconductors | NXP Semiconductors |
| دسته‌بندی | Interface ICs | Interface ICs |
| وضعیت چرخه عمر | فعال | Obsolete |
| 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 | — |
| Interrupt Output | Yes | Yes, open-drain INT pin |
| 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 | — |
| بسته‌بندی | 16-pin TSSOP | SOIC-16 (T suffix) |
| 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 | — |
| دمای کاری | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| وضعیت RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| 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) |
| Output Current (drive LOW) | — | [DATA_NEEDED: sink current per pin mA] |
| Standby Current | — | [DATA_NEEDED: Istandby in uA] |
| سطح MSL | — | 1 (unlimited floor life) |
| Process Technology | — | Silicon CMOS |