PCA9557DGVR vs PCA9557D Comparison
Detailed side-by-side comparison of PCA9557DGVR by Texas Instruments and PCA9557D 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 LifeSpecification Comparison
| Parameter | PCA9557DGVR | PCA9557D |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | End of Life |
| Device Type | 8-bit I2C and SMBus low-power I/O expander | — |
| Number of I/O Ports | 8 ports | — |
| Operating Supply Voltage | 2.3 V to 5.5 V | — |
| I2C Bus Frequency | 400 kHz | — |
| SMBus Compatibility | Supported | — |
| Standby Current | 1 µA maximum | — |
| Reset Input | Active-low RESET input | Active-low hardware RESET + software reset (general call) |
| Configuration Registers | Supported | Input/output direction registers, polarity inversion |
| Power-On Reset | Registers and I2C/SMBus state machine initialize on power-on | — |
| Operating Temperature | -40 °C to +85 °C | -40 C to +85 C |
| Package | 16-pin TVSOP | 16-SOIC (DR, 7.5 mil pitch) |
| Pin Count | 16 pins | — |
| Mounting Type | Surface mount | Surface Mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Automotive Qualification | [DATA_NEEDED: AEC-Q100 qualification 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 |
| Interrupt Output (INT) | — | Yes, open-drain |
| Slave Address Pins | — | A0, A1, A2 (3 pins, 8 addresses within family) |
| MSL Level | — | 1 (unlimited floor life) |
| Lead-Free | — | Yes |