PCF8574DW vs PCA9557D Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci PCF8574DW disebabkan oleh Texas Instruments dan PCA9557D disebabkan oleh Texas Instruments. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Akhir HayatPengandingan Spesifikasi
| Parametr | PCF8574DW | PCA9557D |
|---|---|---|
| Merek | Texas Instruments | Texas Instruments |
| Kategori | Interface ICs | Interface ICs |
| Status Lingkungan Hidup | Aktif | Akhir Hidup |
| 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 | — |
| Antaramuka | I2C two-line bidirectional bus | I2C, SMBus |
| Port Architecture | Quasi-bidirectional I/O | — |
| Interrupt Output | Open-drain | — |
| Standby Current | 10 µA maximum | — |
| Kemasan | 16-SOIC | 16-SOIC (DR, 7.5 mil pitch) |
| Kiraan Pin | 16 pins | — |
| Jenis Pemasangan | Surface mount | Surface Mount |
| Application Category | I/O expander | — |
| Bus | I2C/SMBus | — |
| Port Names | P0 through P7 | — |
| Manufacturer | Texas Instruments | — |
| Compliance Information | [DATA_NEEDED: RoHS status] | — |
| Suhu Operasi | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Number of I/O Bits | — | 8 |
| Bus Frequency (Max) | — | 400 kHz |
| Supply Voltage (VCC) | — | 2.3 V to 5.5 V |
| 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) |
| Aras MSL | — | 1 (unlimited floor life) |
| Status RoHS | — | Compliant |
| Lead-Free | — | Yes |
| Configuration Registers | — | Input/output direction registers, polarity inversion |