PCA9557D vs PCA9539DW Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci PCA9557D disebabkan oleh Texas Instruments dan PCA9539DW 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 Hayat
Pengandingan Spesifikasi
| Parametr | PCA9557D | PCA9539DW |
|---|---|---|
| Merek | Texas Instruments | Texas Instruments |
| Kategori | Interface ICs | Interface ICs |
| Status Lingkungan Hidup | Akhir Hidup | Aktif |
| Number of I/O Bits | 8 | — |
| Antaramuka | I2C, SMBus | — |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Suhu Operasi | -40 C to +85 C | -40 C to +85 C |
| 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) | — |
| Kemasan | 16-SOIC (DR, 7.5 mil pitch) | 24-pin SOIC (DW) |
| Jenis Pemasangan | Surface Mount | Surface Mount |
| Aras MSL | 1 (unlimited floor life) | — |
| Status RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Lead-Free | Yes | — |
| Configuration Registers | Input/output direction registers, polarity inversion | Yes |
| Product Type | — | 16-bit I/O expander |
| I/O Pin Count | — | 16 pins |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Serial Bus Interface | — | I2C/SMBus |
| Maximum Bus Clock | — | 400 kHz |
| Konfigurasi Output | — | Push-pull |
| Output Source Current | — | 10 mA and 25 mA options |
| Output Sink Current | — | 10 mA and 25 mA options |
| Interrupt | — | Yes |
| Reset | — | Yes |
| Power-On Reset | — | Yes |
| Internal I/O Pull-Up Resistors | — | Removed according to TI product comparison |
| REACH Status | — | [DATA_NEEDED: REACH status] |