ADA5640 · AdafruitActive
Adafruit product #5640 — built on SI5351A. Interfaces: I2C.
| Part number | ADA5640 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › RTC & Timing |
| Pins | 10 |
| Frequency | 160 MHz |
Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | CLK0 | bidirectional | |
| 2 | GND | ground | |
| 3 | CLK1 | bidirectional | |
| 4 | GND | ground | |
| 5 | CLK2 | bidirectional | |
| 6 | VCC | power | |
| 7 | 3.3V | power | |
| 8 | GND | ground | |
| 9 | SCL | bidirectional | |
| 10 | SDA | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit Si5351A Clock Generator with STEMMA QT - 8KHz to 160MHz (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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