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KX3213D0032.768000是标准的计时参考方案
在晶振行业里，我们最常听到客户采购的晶振频率就是32.768KHZ。由此可见32.768K是最常用的频率，32.768KHZ是一个标准的频率，晶振频率的应用主要有以下几个方面的参数：尺寸、负载电容、频率偏差、应用范围。
一般用于计时,现代的我们一样离不开时间钟表，而32.768K是一个很有意义的数字，是我们每天都要用到它，它给我们带来太多的好处。
亚陶晶振KX31Q系列，实时时钟振荡器在广泛的工作条件下实现了极好的稳定性，电源电压：1.8/2.5/3.3V超低电流、频率：32.768KHz、汽车级CMOS有源晶体振荡器，四脚贴片晶振，稳定性：20PPM到50PPM，它利用 Pericom专有技术实现低于 15μA的超低电流。输出时钟信号与 LVCMOS/LVTTL 逻辑电平兼容。该器件采用卷带包装，小体积尺寸采用3.2x2.5mm表面贴装陶瓷封装。
KX3213D0032.768000是标准的计时参考方案,有源晶体振荡器
| Manufacturer Part Number原厂代码 | Manufacturer品牌 | Series型号 | Frequency 频率 | Frequency Stability频率稳定度 | Operating Temperature 工作温度 |
| KX2513G0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | 0°C ~ 70°C |
| KX3211A0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±20ppm | -20°C ~ 70°C |
| KX3211A0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±20ppm | -20°C ~ 70°C |
| KX3211A0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±20ppm | -20°C ~ 70°C |
| KX3211D0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -40°C ~ 85°C |
| KX2013B0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KX2013D0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -40°C ~ 85°C |
| KX2511A0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±20ppm | -20°C ~ 70°C |
| KX2513D0032.768000 | 亚陶晶振 | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -40°C ~ 85°C |
| KX2132709Z | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KX2132709Z | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KX2132709Z | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KN3270028 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±50ppm | -20°C ~ 70°C |
| KN3270031 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±50ppm | -20°C ~ 70°C |
| KN3270022 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±50ppm | -20°C ~ 70°C |
| KN3270032 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±50ppm | -40°C ~ 85°C |
| KN3270033 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±50ppm | -40°C ~ 85°C |
| KX3211B0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KX3211C0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±50ppm | -20°C ~ 70°C |
| KX3211E0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±50ppm | -40°C ~ 85°C |
| KX3211G0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | 0°C ~ 70°C |
| KX3213B0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KX3213C0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±50ppm | -20°C ~ 70°C |
| KX3213G0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | 0°C ~ 70°C |
| KX3211H0032.768000 | Diodes Crystal | SaRonix-eCera™ KX | 32.768kHz | ±25ppm | 0°C ~ 85°C |
| KN3270026 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±25ppm | -20°C ~ 70°C |
| KN3270034 | Diodes Crystal | SaRonix-eCera™ KN | 32.768kHz | ±25ppm | -20°C ~ 70°C |
KX3213D0032.768000是标准的计时参考方案,有源晶体振荡器
产品特点：符合AEC-Q200标准，CMOS兼容逻辑电平，超低有功电流（<15μA），非常严格的温度稳定性，专为标准回流和清洗技术而设计，无铅且符合RoHS/Green标准，具有超小型轻薄型，耐热及耐环境特性，时钟晶振，特别适用于需要低电流和高度稳定性的实时时钟振荡器，实时时钟，钟表电子,智能手机，平板电脑，医疗设备等
KN3270034
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±25ppm
-20°C ~ 70°C
KN3270027
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±20ppm
-20°C ~ 70°C
KN3270030
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±20ppm
-20°C ~ 70°C
KN3270023
Diodes Crystal
SaRonix-eCera™ KN
32.768k
±50ppm
-40°C ~ 85°C
KN3270036
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±25ppm
-40°C ~ 85°C
KN3270029
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±25ppm
-40°C ~ 85°C
KX2511B0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
-20°C ~ 70°C
KX2511C0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-20°C ~ 70°C
KX2511E0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-40°C ~ 85°C
KX2511H0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
0°C ~ 85°C
KX2513C0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-20°C ~ 70°C
KX2513E0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-40°C ~ 85°C
KX2513H0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
0°C ~ 85°C
KX2513B0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
-20°C ~ 70°C
KN3270025
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±25ppm
-20°C ~ 70°C
KX2513A0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±20ppm
-20°C ~ 70°C
KN3270024
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±20ppm
-20°C ~ 70°C
KN3270035
Diodes Crystal
SaRonix-eCera™ KN
32.768kHz
±25ppm
-40°C ~ 85°C
KX3213H0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
0°C ~ 85°C
KX3213E0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-40°C ~ 85°C
KX3213A0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±20ppm
-20°C ~ 70°C
KX3213D0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
-40°C ~ 85°C
KX3213Z0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
-
-
KX2511G0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
0°C ~ 70°C
KX2511D0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±25ppm
-40°C ~ 85°C
KX2511Z0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
-
-
KX2013C0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-20°C ~ 70°C
KX2013E0032.768000
Diodes Crystal
SaRonix-eCera™ KX
32.768kHz
±50ppm
-40°C ~ 85°C
KX3213D0032.768000是标准的计时参考方案,有源晶体振荡器
无论是智能手机，电脑平板，还是智能手表，你都可以看到时钟总是那样不紧不慢有规律的一秒一秒的走下去。为什么所有时钟都能保持同样的频率一秒秒的走下去，每一秒都不会更快或更慢呢？
主要是32.768k时钟晶振的作用，等于2的15次方，即1秒。我们每天用的手表、手机、电脑上显示作用的钟就是由它演变过来的。
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