PCA9557D vs PCA9539DW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCA9557D sa pamamagitan ng Texas Instruments at PCA9539DW 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
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Tapus ng BuhayTexas Instruments
PCA9539DW - 16-Bit 2.3-5.5V I/O Expander | Texas Instruments
PCA9539DW ✓ NakahandaPagsanggunian na paghahambing
| Parametro | PCA9557D | PCA9539DW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Tapus ng Buhay | Aktibo |
| Number of I/O Bits | 8 | — |
| Interface | I2C, SMBus | — |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Temperature na Operasyon | -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) | — |
| Packhaging | 16-SOIC (DR, 7.5 mil pitch) | 24-pin SOIC (DW) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Level ng MSL | 1 (unlimited floor life) | — |
| Tindminan 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 |
| 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 |
| Power-On Reset | — | Yes |
| Internal I/O Pull-Up Resistors | — | Removed according to TI product comparison |
| REACH Status | — | [DATA_NEEDED: REACH status] |