PCF8574T vs PCF8574TD Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci PCF8574T disebabkan oleh NXP Semiconductors dan PCF8574TD disebabkan oleh NXP Semiconductors. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T ObsoletePengandingan Spesifikasi
| Parametr | PCF8574T | PCF8574TD |
|---|---|---|
| Merek | NXP Semiconductors | NXP Semiconductors |
| Kategori | Interface ICs | Interface ICs |
| Status Lingkungan Hidup | Obsolete | Aktif |
| 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 | 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 | — |
| Output Current (drive LOW) | [DATA_NEEDED: sink current per pin mA] | — |
| Standby Current | [DATA_NEEDED: Istandby in uA] | 10 uA maximum |
| Kemasan | SOIC-16 (T suffix) | SO-16 (Small Outline, 16-pin) |
| Suhu Operasi | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Aras MSL | 1 (unlimited floor life) | [DATA_NEEDED: MSL rating] |
| Status RoHS | Compliant | Compliant |
| Process Technology | Silicon CMOS | Silicon CMOS |
| Fungsi | — | Remote 8-bit I/O expander for I2C-bus |
| Number of I/O | — | 8 (quasi-bidirectional) |
| Antaramuka | — | I2C-bus (2-wire, up to 400 kHz) |
| I2C Address Range (PCF8574) | — | 0x20 to 0x27 (3 HW address bits) |
| Interrupt Output (INT) | — | Yes, open-drain, active-low |
| Maximum Bus Frequency | — | 400 kHz |
| Output Drive Capability | — | 25 mA sink per pin (quasi-bidirectional) |
| Jenis Pemasangan | — | Surface Mount |
| ESD Rating | — | [DATA_NEEDED: ESD HBM rating] |