Crystal Units vs. IC Matching Search

Recommended Circuit


Manufacturer Renesas Electronics
Part Number R5F11Mxx
Family RL78/L1A

Crystal Units

Part Number ST3215SB32768C0HPWBB
Size (mm) 3.2x1.5x0.8
Frequency (MHz) 0.032768
Overtone Order Fundamental
Load Capacitance (pF) 7

Recommended Circuit Constant

Rf (Ω)
Rd (Ω)
Rx (Ω)
Cx1 (pF) 10
Cx2 (pF) 10
Ccomp (pF)
Negative Resistance (Ω) -488000
Circuit Load Capacitance (pF) 6.36
Frequency Tolerance (1x10-6) 16.5
Level of Drive (µW) 0.009
Motional resistance of crystal units used in measurement (Ω) 44160

*A product of representative frequency is used as image.

Circuit Diagram
Circuit Diagram

*Even though the above recommended circuit and constants are verified by KYOCERA, the optimum values may vary depending on the actual design.
*IC part numbers and company names are trademarks or registered trademarks of the respective owners.

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