Model 578 Stratum 3 Temperature Compensated Crystal Oscillator FEATURES Clipped Sine Output Optional Voltage Control for Frequency Tuning [VCTCXO] 7.0mmx5.0mm Surface Mount Package Frequency Range 5 – 52 MHz Fundamental Crystal Design Operating Voltage, +3.0Vdc, +3.3Vdc or +5.0Vdc Overall Frequency Stability ±4.6ppm Operating Temperature to -40°C to +85°C Tape & Reel Packaging Standard, EIA-418 RoHS/Green Compliant [6/6] APPLICATIONS The Model 578, a quartz based analog TCXO with Clipped Sine output and optional frequency tuning, is suitable for applications requiring Stratum 3 performance such as base stations, Microcells, Femtocells, 1588 and Synchronous Ethernet timing, wireless communications, test and measurement. ORDERING INFORMATION 578 SUPPLY VOLTAGE R = +3.0Vdc L = +3.3Vdc S = +5.0Vdc PACKAGING OPTIONS T - 1k pcs./reel FREQUENCY TUNING [AFC] FREQUENCY T = No AFC [TCXO] A = ±5ppm - ±8ppm [VCTCXO] Product Frequency Code [3 digits] Refer to document 016-1454-0, Frequency Code Tables. OPERATING TEMPERATURE RANGE C = -20°C to +70°C I = -40°C to +85°C Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION [reference] Device quantity is 1k pcs. maximum per 180mm reel. 17.5 4.0 8.0 Ø1.50 1.75 2.40 2.10 2.0 Ø13 120° 16.0 8.40 7.90 Ø60 5.70 5.40 DIRECTION OF FEED Ø180 Ø23 Dimensions in Millimeters Dimensions in Millimeters Document No. 008-0344-0 Page 1 - 3 www.ctscorp.com Rev. B Model 578 Stratum 3 TCXO/VC-TCXO – Clipped Sine ELECTRICAL PARAMETERS ELECTRICAL CHARACTERISTICS PARAMETER Maximum Supply Voltage Maximum Control Voltage Storage Temperature Operating Temperature Order Code 'C' Order Code 'I' Frequency Range Supply Voltage Order Code 'R' Order Code 'L' Order Code 'S' Supply Current Frequency Stability Overall Frequency Stability vs. Initial Calibration vs. Operating Temperature vs. Supply Voltage vs. Load vs. Aging Holdover Control Voltage Frequency Tuning [VCTCXO Only] VC Input Impedance Output Waveform Output Voltage Levels Output Load Output Duty Cycle Start Up Time Enable Function Enable Input Voltage Disable Input Voltage Phase Noise 1 SYMBOL VC C VC T S TG CONDITIONS - MIN -0.6 -0.5 -40 TA - fO - -20 -40 5 VC C ±5% IC C ∆f/fO ∆f/f25 ∆f/fO VC ZVC RL // CL SYM TS VIH VIL - Reference to fO , Including 20 years aging @ +25°C, at time of shipment [Fmax. - Fmin.]/2, over -40°C to +85°C ±5% change @ +25°C ±5% change 20 years @ +40°C [Fmax. - Fmin.]/2, over 24 hours VC = 1.5V ±1.0V, monotonic positive AC coupled Clipped Sinewave TYP - MAX 6.0 VC C +100 UNIT V V °C °C - +70 +85 52 2.85 3.14 4.75 - 3.0 3.3 5.0 - 3.15 3.47 5.25 3.5 - - 4.60 1.00 0.28 0.40 0.10 2.80 0.37 0.5 1.5 5-8 2.5 100 - - +25 MHz V mA ± ppm V ± ppm kOhm - 0.8 10kOhm // 10pF - 45 - - 55 2 % ms 0.7*VC C - - 0.3*VC C V @ 50% Level Pin 8 Logic '1', Output Enabled Pin 8 Logic '0', Output Disabled [High Imp] - Vp-p dBc/Hz Notes: 1. Phase Noise performance may vary based on output frequency. See example plot at 10 MHz below. Document No. 008-0344-0 Page 2 - 3 Rev. B Model 578 Stratum 3 TCXO/VC-TCXO – Clipped Sine MECHANICAL SPECIFICATIONS MARKING INFORMATION 1. M578 – CTS Model Series. 2. ● – Pin 1 identifier. 3. C – CTS identifier.4. 4. D – Date code. See Table II for codes. 5. xxx – Frequency Code. Refer to document 016-1454-0, Frequency Code Tables. PACKAGE DRAWING M578 ● CDXXX NOTES 1. DO NOT make connections to non-labeled pins. Castellation pins may have internal connections used in the manufacturing process. 2. Termination pads (e4); barrier plating is nickel [Ni] with gold [Au] flash plate. 3. Reflow conditions per JEDEC J-STD-020, 260°C maximum. 4. MSL = 1. SUGGESTED SOLDER PAD GEOMETRY D.U.T. PIN ASSIGNMENTS PIN 4 5 8 9 SYMBOL GND Output EOH VCC 10 VC DESCRIPTION Circuit & Package Ground Clipped Sine Wave Output Tri-State Enable Supply Voltage Control Voltage – VCTCXO [Note 1] GND - TCXO NOTES 1. Connect to ground for TCXO [no AFC] option. 2. DC-Cut Capacitor Required. Add 1000pF capacitor between TCXO output and input of load. TEST CIRCUIT – CLIPPED SINE LOAD TABLE II – DATE CODE MONTH JAN YEAR FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC M 2001 2005 2009 2013 2017 A B C D E F G H J K L 2002 2006 2010 2014 2018 N P Q R S T U V W X Y Z 2003 2007 2011 2015 2019 a b c d e f g h j k l m 2004 2008 2012 2016 2020 n p q r s t u v w x y z Document No. 008-0344-0 Page 3 - 3 Rev. B