PCA9557D vs PCA9557DBR Comparison
Detailed side-by-side comparison of PCA9557D by Texas Instruments and PCA9557DBR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
PCA9557D - 8-Bit I2C/SMBus I/O Expander with Reset | TI (Tape & Reel)
PCA9557D ✗ End of Life
Specification Comparison
| Parameter | PCA9557D | PCA9557DBR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | End of Life | Active |
| Number of I/O Bits | 8 | — |
| Interface | I2C, SMBus | I2C and SMBus |
| Bus Frequency (Max) | 400 kHz | — |
| Supply Voltage (VCC) | 2.3 V to 5.5 V | — |
| Operating Temperature | -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) | — |
| Package | 16-SOIC (DR, 7.5 mil pitch) | — |
| Mounting Type | 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 | — |
| Device Type | — | 8-bit I2C and SMBus low-power I/O expander |
| Number of I/O Ports | — | 8 bits |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Bus Speed | — | 400 kHz |
| Number of I/O Lines | — | 8 |
| Reset Support | — | Yes |
| Configuration Register | — | Yes |
| Package Type | — | 16-pin SSOP |
| Package Width | — | 5.30 mm |
| Package Length | — | 0.209 inch |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| Quiescent Current | — | [DATA_NEEDED: quiescent current] |
| Output Current per Line | — | [DATA_NEEDED: output current per line] |
| Input/Output Logic Levels | — | [DATA_NEEDED: input and output logic voltage thresholds] |
| REACH Status | — | [DATA_NEEDED: REACH status] |
| Automotive Qualification | — | [DATA_NEEDED: AEC-Q100 qualification] |