SI8642BB-B-IU vs SI8645BA-B-IUR Comparison
Detailed side-by-side comparison of SI8642BB-B-IU by Skyworks Solutions and SI8645BA-B-IUR by Skyworks Solutions. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Skyworks Solutions
SI8642BB-B-IU - 4-Ch 2.5kV Digital Isolator, 150Mbps | Skyworks
SI8642BB-B-IU ✓ ActiveSkyworks Solutions
SI8645BA-B-IUR - 4-Ch 1kVrms Digital Isolator, 150Mbps | Skyworks
SI8645BA-B-IUR ✓ ActiveSpecification Comparison
| Parameter | SI8642BB-B-IU | SI8645BA-B-IUR |
|---|---|---|
| Brand | Skyworks Solutions | Skyworks Solutions |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $1.62 |
| Type | Digital Isolator, General Purpose | — |
| Number of Channels | 4 | 4 |
| Channel Configuration | 2 forward / 2 reverse | 4/0 (unidirectional) |
| Isolation Voltage | 2500 Vrms | — |
| Data Rate | 150 Mbps | 150 Mbps (max) |
| Propagation Delay | 8 ns typical, <10 ns max | — |
| Common-Mode Transient Immunity (CMTI) | 35 kV/µs | 35 kV/µs (min) |
| Supply Voltage (VDD) | 2.375 V to 5.5 V | — |
| Technology | CMOS Capacitive Isolation | — |
| Operating Temperature | -40 °C to +85 °C | — |
| Package | 16-QSOP (0.154 inch / 3.90 mm width) | QSOP-16 / SSOP-16 (0.154", 3.90 mm body width) |
| Mounting Type | Surface Mount | Surface Mount |
| Approximate Body Length | 4.90 mm (narrow body) | — |
| MSL Level | 1 | — |
| RoHS Status | Compliant | Compliant |
| Fail-Safe Output | Supported | — |
| Isolation Rating | — | 1 kVrms |
| Supply Voltage Range (VDD1, VDD2) | — | 2.5 V to 5.5 V |
| Propagation Delay (typ) | — | [DATA_NEEDED: propagation delay ns] |
| Pulse Width Distortion | — | [DATA_NEEDED: PWD ns] |
| Output Default State | — | High (fail-safe high) |
| Input Type | — | Schmitt-trigger CMOS |
| Operating Temperature Range | — | -40°C to +125°C (industrial) |
| Packaging | — | Tape & Reel (2500 pcs/reel) |