PCA9557D vs PCA9539DW Vergleich
Detaillierter Direktvergleich von PCA9557D von Texas Instruments und PCA9539DW von Texas Instruments. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ Abgekündigt
Spezifikationsvergleich
| Parameter | PCA9557D | PCA9539DW |
|---|---|---|
| Marke | Texas Instruments | Texas Instruments |
| Kategorie | Interface ICs | Interface ICs |
| Lebenszyklusstatus | Ende des Lebenszyklus | Aktiv |
| Number of I/O Bits | 8 | — |
| Schnittstelle | I2C, SMBus | — |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Betriebstemperatur | -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) | — |
| Gehäuse | 16-SOIC (DR, 7.5 mil pitch) | 24-pin SOIC (DW) |
| Montageart | Surface Mount | Surface Mount |
| MSL-Level | 1 (unlimited floor life) | — |
| RoHS-Status | 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 |
| Ausgangskonfiguration | — | 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] |