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FUJITSU SEMICONDUCTOR DATA SHEET
DS07-10202-1E
High-Frequency Resonator
Piezoelectric Resonator (24 to 40 MHz)
FAR Family (C4 Series L Type)
s DESCRIPTION
The C4 series (L Type) resonators apply to the frequency range 24 to 60 MHz. They are fabricated on a lithium niobate (LiNaO3) substrate, producing resonators with ultra compact and superior stability due to the high electromechanical coupling coefficient of the material. They use the third overtone resonance, so that they can oscilate at high frequency. They include two loading capacitors inside and their package are chip type for surface mount. It contributes saving space and reducing mount cost.
s FEATURES
* * * * * High frequency (24 to 60 MHz) Surface mount package (SMT) Suitable for the source of microcomputer clock Emboss-typed pack for automatic mounting Superior shock and vibration resistance, preventing damage during automatic mounting
s PACKAGE
FAR Family (C4 series L type)
s STANDARD CHARACTERISTICS
Series Parameter Material Frequency Standard frequency Initial frequency deviation Temperature characteristic (-30C to +85C) Capacity of built-in capacitor Aging stability Operating temperature Storage temperature C4 Series Lithium Niobate (LiNbO3) 24 to 40 MHz See "s Standard Frequency" Within 0.5% (M) Within 0.5% The 0.3% (K) version can also be produced. Reference temperature: +25C 104 pF are also available. Capacity is specified by Fujitsu, considering matching data with applied IC (mainly microcomputer) Remarks
208 pF (standard) Within 0.1% -30C to +85C -40C to +100C * Resonant frequency
1 M 24 MHz to 40 MHz IC: MC74HCU04N x 2 * V CC = 5 V DC * R: Resonator * C 1, C 2: Loading capacitators (built-in)
R
C1
C2
Standard measuring circuit * Serial resonant resistance
R
75
C1
C2
75 LM
Measuring instrument: Network analyzer
OSC
2
FAR Family (C4 series L type)
s STANDARD FREQUENCY
Standard frequency (kHz) 24,000 kHz 33,869 kHz 40,000 kHz Package size L Resonant resistance 75 max. (Symbol: 2)
Note: Fujitsu can also develop applicable device in addition to standard devices if it's oscillation frequency is from 24 to 60 MHz.
s NOTES ON USE
* Handle carefully * Solder under the following conditions. 5 seconds max. at 230C (PCB) Recommended preheating is 150C for one minute in order not to apply extreme heat to the resonator. * Avoid extreme fluctuations in temperature. * There is no specific direction in resonator mounting. * Oscillation data should be examined when used in oscillation circuit with micon or other ICs. * This is for reflow solder, not for flow solder.
3
FAR Family (C4 series L type)
s PART NUMBERING SYSTEM
FAR -- C 4 C L -- (1) (2) (3)
-- (4)
-- (5) (6) (7) (8) (9)
(1) Series Series C4 (2) Package Type Specification C (3) Package Type Specification L (4) Frequency See "s Standard Frequency." (Example) Unit: kHz (Specify in five digits.) 24.0 MHz 24000 (5) Initial Frequency Deviation Specification K M (6) Built-in Capacitor Specification 0 1 (7) Resonant Resistance Specification 2 Resonant resistance 75 max. Capacitance 208 pF 104 pF Deviation 0.3% 0.5% Size 5.0 x 4.0 x 1.6 Type CHIP Single crystal LiNbO3 Capacitator With built-in capacitator
4
FAR Family (C4 series L type)
(8) User-specific Special Symbols Specification Name -- A to Z (9) Resonant Resistance Specification R Description 12 mm wide tape and reel Description No specifications, no taping specification No specifications, with taping specification Serial number for custom design
5
FAR Family (C4 series L type)
s MARKING
Fujitsu logo Frequency (MHz)
F
Frequency symbol or customer-specific symbol
24 Ad
Lot No. (Date of manufacture, conforms to EIAJ) and serial number
The marking color varies with the capacitance of the built-in capacitator. Capacitance 10 pF 20 pF Making color Yellow White
Data code (EIAJ standard) is specified as follows in four-year cycle. Year Month Symbol Year Month Symbol Year Month Symbol 1 2 3 4 5 1997 2001 6 7 8 9 10 11 12 A B C D E F G H J K L M 1998 2002 1 2 3 4 5 6 7 8 9 10 11 12 N P Q R S T U V W X Y Z 1995 1999 2003 1 2 3 4 5 6 7 8 9 10 11 12 j a b
Year
Month Symbol 1 2 3 4 5 r n
c
d e f 1996 2000 2004
6 7 8 9 10 11 12
t u
6
FAR Family (C4 series L type)
s PIN ASSIGNMENT
(1) (2)
(3)
(1)
(3)
(2)
7
FAR Family (C4 series L type)
s DIMENSIONS
4.3 (0.169)
3.3 (0.130)
1.6 (0.063)
0.5 (0.020)
5.0 (0.197)
0.65 (0.026)
0.5 (0.020)
0.8 (0.031) 1.0 (0.039)
1.4 (0.055)
1.0 (0.039) 0.8 (0.031)
4.0 (0.157)
Unit: mm (in.)
8
FAR Family (C4 series L type)
s TAPING FORM AND DIMENSIONS
4.00.1 (0.1570.004) 2.00.1 (0.0790.004)
f1.5 (0.059
0.1 0
0.004 ) 0
0.3 (0.012)
1.50.1 (0.0590.004) (0.2170.004)
5.60.1 (0.2200.004)
4.60.1 (0.1810.004)
f1.0 1.0 (0.0390.039 ) 0 0 8.00.15 (0.3150.006)
2.5 (0.098)
* Reel dimensions
20.5 (0.0790.020) f13.00.5 (0.5120.020)
14.01.5 (0.5500.059)
R1.0 (0.039)
f21.00.8 (0.8270.031)
* Pack quantity
Specification R Quantity 3,000
20.4 Max. (0.802) Unit: mm (in.)
f330 (12.992)
f80 (3.150)
(0.4720.012)
5.50.1
12.00.3
9
FAR Family (C4 series L type)
FUJITSU LIMITED
All Rights Reserved. The contents of this document are subject to change without notice. Customers are advised to consult with FUJITSU sales representatives before ordering. The information and circuit diagrams in this document are presented as examples of semiconductor device applications, and are not intended to be incorporated in devices for actual use. Also, FUJITSU is unable to assume responsibility for infringement of any patent rights or other rights of third parties arising from the use of this information or circuit diagrams. The products described in this document are designed, developed and manufactured as contemplated for general use, including without limitation, ordinary industrial use, general office use, personal use, and household use, but are not designed, developed and manufactured as contemplated (1) for use accompanying fatal risks or dangers that, unless extremely high safety is secured, could have a serious effect to the public, and could lead directly to death, personal injury, severe physical damage or other loss (i.e., nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, missile launch control in weapon system), or (2) for use requiring extremely high reliability (i.e., submersible repeater and artificial satellite). Please note that Fujitsu will not be liable against you and/or any third party for any claims or damages arising in connection with above-mentioned uses of the products. Any semiconductor devices have an inherent chance of failure. You must protect against injury, damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy, fire protection, and prevention of over-current levels and other abnormal operating conditions. If any products described in this document represent goods or technologies subject to certain restrictions on export under the Foreign Exchange and Foreign Trade Law of Japan, the prior authorization by Japanese government will be required for export of those products from Japan.
F9703 (c) FUJITSU LIMITED Printed in Japan

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