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Ceramic Resonators (CERALOCK) P17E-24.pdf 2021.3.1 Ceramic Resonators (CERALOCK) Application Manual Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. P17E-24.pdf 2021.3.1 Introduction Ceramic resonators (CERALOCK) are made of high stability piezoelectric ceramics that function as a mechanical resonator. This device has been developed to function as a reference signal generator and the frequency is primarily adjusted by the size and thickness of the ceramic element. With the advance of the IC technology, various equipment may be controlled by a single LSI integrated circuit, such as the one-chip microprocessor. CERALOCK can be used as the timing element in most microprocessor based equipment. In the future, more and more applications will use CERALOCK because of its high stability non- adjustment performance, miniature size and cost savings. Typical applications include TVs, VCRs, automotive electronic devices, telephones, copiers, cameras, voice synthesizers, communication equipment, remote controls and toys. This manual describes CERALOCK and will assist you in applying it effectively. EU RoHS Compliant • All the products in this catalog comply with EU RoHS. • EU RoHS is "the European Directive 2011/65/EU on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment." • For more details, please refer to our website 'Murata's Approach for EU RoHS' (http://www.murata.com/en- eu/support/compliance/rohs). Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. P17E-24.pdf 2021.3.1 1 Contents Product specifications are as of October 2019. 2 1 Characteristics and Types of CERALOCK 1. General Characteristics of CERALOCK……… p2 2. Types of CERALOCK……………………………… p3 MHz Band lead CERALOCK (CSTLS Series) ……………… p3 3 MHz Band Chip CERALOCK(CSTCR/CSTNR/CSTNE Series)… p4 2 Principles of CERALOCK 1. Equivalent Circuit Constants…………………… p6 2. Basic Oscillation Circuits ……………………… p9 4 3 Specifications of CERALOCK 1. Electrical Specifications………………………… p12 Electrical Specifications of MHz Band Lead CERALOCK (CSTLS Series) …………………………………………… p12 Electrical Specifications of MHz Band Chip CERALOCK 5 (CSTCR/CSTNR/CSTNE Series)…………………………… p14 2. Mechanical and Environmental Specifications of CERALOCK……………………… p15 4 Applications of Typical Oscillation Circuits 6 1. Cautions for Designing Oscillation Circuits… p17 2. Application to Various Oscillation Circuits… p18 Application to C-MOS Inverter…………………… p18 Application to H-CMOS Inverter ………………… p19 5 Characteristics of CERALOCK Oscillation Circuits 7 1. Stability of Oscillation Frequency …………… p20 2. Characteristics of the Oscillation Level……… p21 3. Characteristics of Oscillation Rise Time …… p22 4. Starting Voltage…………………………………… p23 EU RoHS Compliant 8 6 Application Circuits to Various ICs/LSIs • All the products in this catalog comply p24 with EU RoHS. 1. Application to Microcomputers ……………… • EU RoHS is "the European Directive Recommendable circuit constants examples of 2011/65/EU on the Restriction of the representative microcomputers ………………………… p25 Use of Certain Hazardous Substances in Electrical and Electronic Equipment." • For more details, please refer to our 7 Notice ………………………………………………… p27 website 'Murata's Approach for EU RoHS' (http://www.murata.com/en- 8 Appendix eu/support/compliance/rohs). Equivalent Circuit Constants of CERALOCK……… p28 Please check the MURATA website (http://www.murata.com/) if you cannot find the part number in the catalog. Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. P17E-24.pdf 2021.3.1 1 1 Characteristics and Types of CERALOCK RoHS 1. General Characteristics of CERALOCK Ceramic resonators use the mechanical resonance of Vibration Mode and Frequency Range piezoelectric ceramics. (Generally, lead zirconium titanate: Frequency (Hz) 1k 10k 100k 1M 10M 100M 1G PZT.) Vibration Mode 1 The oscillation mode varies with resonant frequency. Flexural The table on the right shows this relationship. mode As a resonator device, Crystal Unit is well-known. RC 2 Length oscillation circuits and LC oscillation circuits are also used mode to produce electrical resonance. The following are the 3 Area characteristics of CERALOCK. expansion mode ① High stability of oscillation frequency: 4 Oscillation frequency stability is between that of Crystal Radius vibration Units and LC or RC oscillation circuits. 5 The temperature coefficient of Crystal Units is 10–6/ °C Shear thickness maximum and approximately 10–3 to 10–4/°C for LC or mode 6 RC oscillation circuits. For comparison these, it is 10–5/°C Thickness expansion at –20 to +80°C for ceramic resonators. mode ② Small configuration and light weight: 7 Surface The ceramic resonator is half the size of popular Crystal acoustic wave Units. [Note] : ←→show the direction of vibration ③ Low price, non-adjustment: CERALOCK is mass produced, resulting in low cost and Characteristics of Various Oscillator Elements high stability. Oscillation Long- Adjust- Name Symbol Price Size Frequency term Unlike RC or LC circuits, ceramic resonators use ment Initial Stability mechanical resonance. This means it is not basically Tolerance affected by external circuits or by the fluctuation of the lower LC Big Required ±2.0％ Fair supply voltage. cost Highly stable oscillation circuits can therefore be made without the need of adjustment. lower The table briefly describes the characteristics of various CR Small Required ±2.0％ Fair cost oscillator elements. Crystal Expen- Not ± Big Excellent Unit sive required 0.001％ Ceramic Inexpen- Not Small ±0.5％ Excellent Resonator sive required 2 Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. P17E-24.pdf 2021.3.1 1 2.TypesofCERALOCK Part Numbers and Dimensions of lead CERALOCK MHz Band lead CERALOCK (CSTLS Series) (CSTLS Series) As CSTLS series does not require externally mounted capac- Part Number Frequency Dimensions (in mm) itors, the number of components can be reduced, allowing circuits to be made more compact. 8.0 3.0 The table shows the frequency range and appearance of the CSTLS G 3.40–10.00MHz 5.5 three-terminal CERALOCK with built-in load capacitance. 3.5 2.5 2.5 Part Numbering 5.5 (Ex.) CS T LS 4M00 G 5 3 -A0 3.0 ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ 16.00– 6.5 CSTLS X 70.00MHz 3.5 ❶Product ID 2.5 2.5 ❷Frequency/Built-in Capacitance ❸Structure/Size ＊ 16.00－32.99MHz : 3.5 LS: Round Lead Type ❹Nominal Center Frequency ❺Type G: Thickness Shear vibration, X: Thickness Longitudinal Vibration (3rd overtone) ❻Frequency Tolerance 1: ±0.1%, 2: ±0.2%, 3: ±0.3%, 5: ±0.5%, D: DTMF, Z: Others ❼Built-in Load capacitance 1: 5pF, 3: 15pF, 4: 22pF, 5: 30pF, 6: 47pF ❽Individual Specification With standard products, "❽ Individual Specification" is omitted, and "❾ Package Specification Code" is carried up. ❾Packaging –B0: Bulk, –A0: Radial Taping H0=18mm Ammo Pack (Standard) 3 Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. P17E-24.pdf 2021.3.1 1 Dimensions and Standard Land Pattern of Chip MHz Band Chip CERALOCK (CSTCR/CSTNR/ CERALOCK (CSTCR/CSTNR/CSTNE Series) CSTNE Series) Dimensions Part Number Frequency (MHz) Standard Land Pattern (in mm) The MHz band Chip CERALOCK has a wide frequency range 4.5 2.0 and small footprint to meet further downsizing and high- density mounting requirements. 1.2 The table shows the dimensions and three-terminals CSTCR G＊1 0.8 0.7 0.8 0.7 0.8 4.00–7.99 standard land patterns of CSTCR/CSTNE series chip CSTNR G＊1 resonator (built-in load capacitance type.) The carrier tape 2.6 1.6 dimensions of CSTCR series are shown on the next page. 0.4 0.4 0.4 1.5 1.5 1.3 3.2 Part Numbering 0.8 (Ex.) CS T CR 4M00 G 5 3 R0 0.4 0.8 0.4 0.8 0.4 CSTNE G＊1 8.00–13.99 ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❶Product ID 1.90 ~ 2.10 1.2 1.2 ❷Frequency/No capacitance built-in T: Built-in Capacitance 1.3 3.2 ❸Structure/Size 1.0 CR/NR/NE. Cap Chip Type 0.4 0.8 0.4 0.8 0.4 ❹Nominal Center Frequency CSTNE V＊1 14.00–20.00 ❺Type G: Thickness Shear Vibration, 1.90 ~ 2.10 V: Thickness Longitudinal Vibration, 1.2 1.2 ❻Frequency Tolerance ＊1 Conformal coating or washing of the components is not acceptable 1: ±0.1%, 2: ±0.2%, 3: ±0.3%, 5: ±0.5%, H: ±0.07% because they are not hermetically sealed. ❼Load Capacitance Value 1: 5pF or 6pF, 2 : 10pF, 3: 15pF, 5: 33pF or 39pF, 6: 47pF ❽Individual Specification With standard products, "❽ Individual Specification" is omitted, and "❾ Package Specification Code" is carried up. ❾Packaging B0: Bulk, R0: Plastic Taping φ180mm Reel Package 4 Note • Please read rating and CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications.
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