RV-8063-C7
Epson alternative: RX4111CE
You want to replace the RV-8063-C7 from Micro Crystal — as a second source, because of availability, or because a new design is coming up. Here the type is set against the closest Epson type feature by feature, with the points that speak for and against the change.
Also listed as RV-8063-C8.
Features of the RV-8063-C7: the SPI version of the 8263 series, seven selectable clock outputs.
RV-8063-C7 versus RX4111CE
| RV-8063-C7 — Micro Crystal | RX4111CE — Epson | |
|---|---|---|
| Manufacturer | Micro Crystal | Epson (Seiko Epson) |
| Status | Active series type | Active series type |
| Interface | SPI | SPI |
| Crystal integrated | yes | yes, factory calibrated |
| Standby current | 190 nA at 3 V | 100 nA typ. · 450 nA max. |
| Accuracy | ±20 ppm at +25 °C | ±11.5 ppm at +25 °C (not compensated) |
| Temperature compensation | no | no |
| Supply | 0.9 – 5.5 V | 1.6–5.5 V |
| Max. temperature | +85 °C | −40 … +105 °C |
| Package | C7 · 3.2 × 1.5 × 0.8 mm · C8 · 2.0 × 1.2 × 0.7 mm | CE · 3.2 × 2.5 × 1.0 mm |
What speaks for and against the change
We sell Epson — and we still say where the competitor is better. You would notice it at the first datasheet comparison anyway.
Honestly
- Starts from 0.9 V
- At 2.4 mm² the C8 package is very small
The difference
- ±20 ppm at +25 °C without temperature compensation
- The RX4901CE holds ±3.0 ppm across the whole temperature range and offers 32 time stamps
Frequently asked questions
What is the Epson alternative to the RV-8063-C7?
The closest match is the RX4111CE, with the RX4901CE as a second option. It is not a drop-in replacement: package, pinout and register map differ, so layout and firmware have to be adapted. What you get in return is set out in the comparison on this page.
Who supplies an alternative to the RV-8063-C7 in Europe?
Timing Devices Europe in Ladenburg near Heidelberg, Germany stocks the complete Epson RTC programme in its own warehouse — physically on site, not at the manufacturer. Samples, comparison and series demand in one go, answered the same working day.
Samples and a comparison for the RV-8063-C7.
Tell us which version you use today, together with quantity and date. We will put together the Epson equivalent with its datasheet and the migration effort — from our own warehouse in Ladenburg near Heidelberg, Germany.