PCA9517A vs TCA9517DGKR Comparison
Detailed side-by-side comparison of PCA9517A by NXP Semiconductors and TCA9517DGKR 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 ✓ Active
Specification Comparison
| Parameter | PCA9517A | TCA9517DGKR |
|---|---|---|
| Brand | NXP Semiconductors | Texas Instruments |
| Category | Bus Repeaters, Buffers & Extenders | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.65 |
| Function | Level-translating I2C-bus repeater (2-channel bidirectional buffer) | Level-translating I2C/SMBus buffer, repeater |
| 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) | — |
| 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-VSSOP (DGK), 3.00 mm width |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Maximum Data Rate | 400 kHz (per PCA9517 family specification) | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| A-Side B Condition | B-side port must not connect to rise-time-accelerator devices (PCA9510-9516A, PCA9518) | — |
| Channels | — | 2 (bidirectional SDA, SCL) |
| Circuits | — | 1 |
| Maximum Operating Frequency | — | 400 kHz (Fast-mode I2C) |
| VCCA Supply Range | — | 0.9 V to 5.5 V |
| VCCB Supply Range | — | 2.7 V to 5.5 V |
| Supply Restriction | — | VCCA <= VCCB |
| Enable Pin | — | Yes (EN) |
| Powered-Off High Impedance | — | Yes (I2C pins high-Z when supply off) |
| Response Time | — | 110 ns (typical, per TCA9517 family data) |
| MSL Level | — | 1 (260C unlimited) |
| Quiescent Current | — | [DATA_NEEDED: quiescent current] |