TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com Approval Sheet For Product Specification Issued Date: 7/26/2007 (REV. NO: 1) Product Name: SMD 3.2x2.5 32.768 KHz Crystal Oscillator TST Parts No.: TW0281A Customer Parts No. : Company: Division: Approved by: Date: Checked by: Ryan Huang Approval by: Robert Chang Date: 7/26/2007 TAI-SAW TECHNOLOGY CO., LTD. FR-71S03-01 TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com SMD 3.2x2.5 32.768 KHz Crystal Oscillator MODEL NO.: TW0281A REV. NO: 1 Features: Surface Mount Seam Weld Package Excellent Reliability Performance Good Frequency Perturbation and Stability over temperature RoHS Compliant Lead free Lead-free soldering Application: 2.8 V Supply Voltage Operation / CMOS Output Option-able stand-by function for output. Electrical Characteristics: TW0281A Specifications Nominal Frequency, Fo 32.768 KHz Storage Temperature Range -55°C to +125°C Operating Temperature Range -20°C to +70°C Power Supply Voltage, Vcc 2.8 V +/- 5% Load 15pF Output Low (Logic “0”) Output High (Logic “1”) 0.28 V max 2.52 V min Power Supply Current, Icc 10 mA max Frequency Accuracy1 +/-30 ppm max Duty Cycle 45% ~ 55% Rise Time ( 10% -> 90% of final RF level in Vp-p ) Fall Time ( 90% -> 10% of final RF level in Vp-p ) 100 nsec max. 100 nsec max. Enable/Disable Function PIN 1: High or Open, PIN 3:Output Enable PIN 1: Low, PIN 3:Output Disable #Note 1: Frequency accuracy includes 25C tolerance, operating temperature range -20 to 70 deg C, aging and voltage or load change TAI-SAW TECHNOLOGY CO., LTD. 2 Mechanical Dimensions: (Unit: mm) Test Circuit: Marking: Line 1: 32.76K(Frequency) Line 2: T WDA (TST logo + Product Code + Data Code + TST Internal Code) 32.76K T WDA Product Code Table Date Code Table Year 2001 2005 2002 2006 2003 2007 2004 2008 Product Code W w W w WK01 WK02 WK03 WK04 WK05 WK06 WK07 WK08 WK09 WK10 WK11 WK12 A B C D E F G H I J K L WK13 M WK14 WK15 WK16 WK17 WK18 WK19 WK20 WK21 WK22 WK23 WK24 WK25 WK26 N O P Q R S T U V W X Y Z WK27 WK28 WK29 WK30 WK31 WK32 WK33 WK34 WK35 WK36 WK37 WK38 WK39 a b c d e f g h i j k l m WK40 WK41 WK42 WK43 WK44 WK45 WK46 WK47 WK48 WK49 WK50 WK51 WK52 n o p q r s t u v w x y z TAI-SAW TECHNOLOGY CO., LTD. 3 Packing: PACKING QUANTITY: 1K Pcs / Reel Reel Dimension (Unit: mm) Tape Dimension (Unit: mm) Direction of Feed [NOTE]: 1. 2. 3. 4. Unless otherwise specified tolerance on dimension +/-0.1 mm. Material: conductive polystyrene with color black 10 pitch cumulative tolerance +/-0.2 mm. Packing Direction: dot or the logo of marking should be close to the hole of tape. PACKING DIRECTION: TAI-SAW TECHNOLOGY CO., LTD. 4 Reflow Profile: 300 Rising Area Preheat Area Reflow Area Forced Cooling Area Temperature (deg C) 250 200 150 Max peak temperature: 260 deg C 100 50 0 0 60 120 180 240 300 360 Time (seconds) TAI-SAW TECHNOLOGY CO., LTD. 5