PCA9517A vs PCA9517D Comparison
Detailed side-by-side comparison of PCA9517A by NXP Semiconductors and PCA9517D by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9517A - Level-Translating I2C-Bus Repeater | NXP Semiconductors
PCA9517A ✓ ActiveTexas Instruments
PCA9517D - 2-Channel 400kHz I2C Level Translator | Texas Instruments
PCA9517D ✓ ActiveSpecification Comparison
| Parameter | PCA9517A | PCA9517D |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Category | Bus Repeaters, Buffers & Extenders | Interface ICs |
| Lifecycle Status | Active | Active |
| 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 | — |
| Number of Channels | 2 (SDA, SCL) | 2 |
| 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 | — |
| Package | SOIC-8 (SOP) | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount |
| 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) | — |
| Product Type | — | 2-channel bidirectional I2C/SMBus buffer/repeater |
| 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 |
| 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 |