参数资料
型号: SPEAR-09-B042
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 100M bps, I2C BUS CONTROLLER, PBGA289
封装: 15 X 15 MM, 1.70 MM HEIGHT, ROHS COMPLIANT, LFBGA-289
文件页数: 18/66页
文件大小: 917K
代理商: SPEAR-09-B042
SPEAR-09-B042
Main blocks
8.3
Main oscillator
8.3.1
Crystal connection
Figure 3.
Crystal connection
8.3.2
Crystal equivalent model
Figure 4.
Crystal equivalent model
Note:
Co is the parasitic capacitance of the crystal package
Cl1 and Cl2 are the capacitance on each resonator PAD
VDD2V5
33 pF
24 MH z
Xi
Xo
33 pF
VDD2V5
Co
Cl1
Cl2
Cm
Rm
Lm
Xi
Xo
Table 8.
Equivalent values
Supplier
Rm (Ohms)
Lm (mH)
Cm (fF)
Co (pF)
Q (K)
Epson (E31821)
9.3
5.9
4.8
1.7
120
Raltron (M3000)
9.6
2.6
10.8
3.5
45
KSS (KSS3KF)
5
3.2
8.7
2.7
121
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