PCA9517D vs TCA9517DR Comparison
Detailed side-by-side comparison of PCA9517D by Texas Instruments and TCA9517DR 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
PCA9517D - 2-Channel 400kHz I2C Level Translator | Texas Instruments
PCA9517D ✓ ActiveTexas Instruments
TCA9517DR - Level-Shifting I2C Bus Repeater | Texas Instruments
TCA9517DR ✓ ActiveSpecification Comparison
| Parameter | PCA9517D | TCA9517DR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.53 |
| Product Type | 2-channel bidirectional I2C/SMBus buffer/repeater | — |
| Number of Channels | 2 | 2 (SDA and SCL) |
| Maximum I2C Bus Frequency | 400 kHz | — |
| Supply Voltage Range | 2.7 V to 5.5 V | — |
| Low-Voltage Domain Support | Down to 0.9 V | — |
| Higher-Voltage Domain Support | 2.7 V to 5.5 V | — |
| Bus Compatibility | I2C and SMBus | — |
| Directional Architecture | Bidirectional | — |
| Package | 8-SOIC | SOIC-8 (D), 3.90 mm width |
| Mounting Type | Surface Mount | Surface Mount |
| Supply Current | 5 mA | — |
| Delay Time | 170 ns | — |
| Input Capacitance | 6 pF | — |
| Enable Control | Two-side enable control | — |
| Logic Level Translation | Voltage-level translation between bus domains | — |
| Interface Classification | Signal buffer and repeater | — |
| Manufacturer | Texas Instruments | — |
| Function | — | Level-translating I2C/SMBus bus buffer (repeater) |
| VCCA Supply Range (A-side) | — | 0.9 V to 5.5 V |
| VCCB Supply Range (B-side) | — | 3.0 V to 5.5 V |
| Maximum Data Rate | — | 400 kHz (I2C Fast Mode) |
| Propagation Delay | — | 230 ns (max) |
| A-side Input Low Level | — | 0.3 x VCCA |
| Powered-Off High Impedance | — | Yes, on all pins |
| Direction Control | — | Not required (fully bidirectional) |
| Operating Temperature | — | -40C to +85C |
| MSL Level | — | MSL 1 (260C unlimited) |
| RoHS Status | — | Compliant (Green, no Sb/Br) |
| ESD Protection | — | [DATA_NEEDED: ESD rating per datasheet] |