PCA9517D vs PCA9517A Comparison
Detailed side-by-side comparison of PCA9517D by Texas Instruments and PCA9517A by NXP Semiconductors. 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 ✓ ActiveNXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ ActiveSpecification Comparison
| Parameter | PCA9517D | PCA9517A |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Bus Repeaters, Buffers & Extenders |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.00 |
| Product Type | 2-channel bidirectional I2C/SMBus buffer/repeater | — |
| Number of Channels | 2 | 2 (SDA, 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 (SOP) |
| 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-bus repeater (2-channel bidirectional buffer) |
| A-Side Supply Voltage (VCC(A)) | — | 0.9 V (min operating) to 5.5 V |
| B-Side Supply Voltage (VCC(B)) | — | 2.7 V to 5.5 V |
| Level Translation Range | — | 0.9 V to 5.5 V (A-side) to 2.7 V to 5.5 V (B-side) |
| Bus Interface | — | I2C-bus and SMBus compatible |
| Enable Input | — | EN, active-high repeater-enable |
| Power-Up Driver Enable Thresholds | — | Drivers enabled only when VCC(A) > 0.8 V and VCC(B) > 2.5 V |
| I/O Configuration | — | Open-drain (standard I2C) |
| Process Technology | — | CMOS |
| Operating Temperature | — | [DATA_NEEDED: operating temperature range] |
| Maximum Data Rate | — | 400 kHz (per PCA9517 family specification) |
| RoHS Status | — | [DATA_NEEDED: RoHS status] |
| A-Side B Condition | — | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) |