PCA9539DW vs PCA9557D Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCA9539DW sa pamamagitan ng Texas Instruments at PCA9557D sa pamamagitan ng Texas Instruments. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Texas Instruments
PCA9539DW - 16-Bit 2.3-5.5V I/O Expander | Texas Instruments
PCA9539DW ✓ NakahandaTexas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Tapus ng BuhayPagsanggunian na paghahambing
| Parametro | PCA9539DW | PCA9557D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Tapus ng Buhay |
| 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 | — |
| Output Kumpigurasyon | Push-pull | — |
| Output Source Current | 10 mA and 25 mA options | — |
| Output Sink Current | 10 mA and 25 mA options | — |
| Interrupt | Yes | — |
| Reset | Yes | — |
| Configuration Registers | Yes | Input/output direction registers, polarity inversion |
| Power-On Reset | Yes | — |
| Internal I/O Pull-Up Resistors | Removed according to TI product comparison | — |
| Temperature na Operasyon | -40 C to +85 C | -40 C to +85 C |
| Packhaging | 24-pin SOIC (DW) | 16-SOIC (DR, 7.5 mil pitch) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Number of I/O Bits | — | 8 |
| Interface | — | I2C, SMBus |
| 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) |
| Level ng MSL | — | 1 (unlimited floor life) |
| Lead-Free | — | Yes |