32.768KHz crystal oscillator is widely used frequency is 32.768Khz, the main role is to provide the product timing circuit reference signal, accurate one-second timing, the other real-time clock crystal is generally 32.768K or its frequency.
| Picture | Series | Package Size | Output Leve | Frequency Range | Supply Voltage | Temperature Range | Frequency stability | Shopping | RoHS | Pb Free | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | 2CKL | 2.5 * 2.0 | cmos | 32.768 | 1.8V,3.3V or specify | -20 - +70 -40 - +85 | ±10,±20 or specify | | |||
 | 3CKL | 3.2 * 2.5 | cmos | 32.768 | 1.8V,3.3V,5V or specify | -20 - +70 -40 - +85 | ±10,±20 or specify | | |||
 | 5CKL | 5.0 * 3.2 | cmos | 32.768 | 1.8V,3.3V,5V or specify | -20 - +70 -40 - +85 | ±10,±20 or specify | | |||
 | 7CKL | 7.0 * 5.0 | cmos | 32.768 | 1.8V,3.3V,5V or specify | -20 - +70 -40 - +85 | ±10,±20 or specify | |
