Model 636 HCMOS/TTL Clock Oscillator FEATURES • Standard 5.0mm x 3.2mm 4-Pad Surface Mount Package • HCMOS/TTL Compatible Output • Fundamental and 3rd Overtone Crystal Designs • Frequency Range 1 – 160 MHz • Frequency Stability ±50 ppm Standard, ±25 ppm and ±20 ppm Available • Operating Voltages +1.8Vdc, +2.5Vdc, +3.3Vdc or +5.0Vdc • Operating Temperature to -40°C to +85°C • Output Enable Standard • Tape & Reel Packaging Standard, EIA-418 • RoHS/Green Compliant [6/6] APPLICATIONS Model 636 is ideal for applications; such as digital video, networking equipment, broadband access, Ethernet/Gigabit Ethernet, microprocessors/DSP/FPGA, storage area networks, computers and peripherals, cameras and other portable devices to name a few. ORDERING INFORMATION 636 M SUPPLY VOLTAGE FREQUENCY IN MHz M = +1.8V M - indicates MHz and decimal point. 3 N = +2.5Vdc L = +3.3Vdc S = +5.0Vdc OPERATING TEMPERATURE RANGE C = -20°C to +70°C [standard] FREQUENCY STABILITY I = -40°C to +85°C 6 = ± 20 ppm 1 5 = ± 25 ppm 3 = ± 50 ppm [std] 2 = ± 100 ppm 2 1] Consult factory for 6I Stability/Temperature availability. 2] -40°C to +85°C Only. 3] Frequency is recorded with three leading significant digits before the ‘M’ and 5 significant digits after the ‘M’ (including zeros). [Ex. 3.579545 MHz, code as 003M57954; 14.31818 MHz, code as 014M31818; 125 MHz, code as 125M00000] Not all performance combinations and frequencies may be available. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION [Reference] Factory may package reels in quantities of 1k pcs. or 3k pcs. Reel size is 180mm. 12mm tape width. Document No. 008-0250-0 Page 1- 3 Rev. H www.ctscorp.com

Model 636 5.0mm x 3.2mm Low Cost HCMOS/TTL Clock Oscillator ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Maximum Supply Voltage VCC - -0.5 - 7.0 V Storage Temperature TSTG - -55 - 125 °C Frequency Range fO - 1.0 - 160 MHz [FSreeeq Nuoetne c1y aSntda bOirlditeyr i n g I n fo r m a t i o n ] Δf/fO - - - 20,25, 50 or 100 ± ppm Aging Δf/fO - - - 3 ± ppm/yr Operating Temperature Commercial TA - -20 25 70 °C Industrial -40 85 Supply Voltage Model 636M 1.62 1.8 1.98 Model 636N VCC ± 10 % 2.25 2.5 2.75 V Model 636L 2.97 3.3 3.63 Model 636S 4.50 5.0 5.50 Supply Current CL = 15pF Model 636M 1.0 MHz to 34.999 MHz - - 8 [+1.8V] 35 MHz to 60 MHz - - 15 60.001 MHz to 99.999 MHz - - 25 100 MHz to 106.250 MHz - - 35 106.251 MHz to 160 MHz - - 35 Model 636N 1.0 MHz to 34.999 MHz - - 10 [+2.5V] 35 MHz to 60 MHz - - 20 60.001 MHz to 99.999 MHz - - 30 ICC 100 MHz to 106.250 MHz - - 40 mA 106.251 MHz to 160 MHz - - 40 RS Model 636L 1.0 MHz to 34.999 MHz - - 16 E [+3.3V] 35 MHz to 60 MHz - - 25 T ME 60.001 MHz to 99.999 MHz - - 40 A 100 MHz to 106.250 MHz - - 50 R A 106.251 MHz to 160 MHz - - 50 L P Model 636S 1.0 MHz to 34.999 MHz - - 25 A [+5.0] 35 MHz to 60 MHz - - 50 C RI 60.001 MHz to 99.999 MHz - - 60 T 100 MHz to 106.250 MHz - - 80 C E Output Load L E Model 636M 1.0 MHz to 160 MHz - - 15 Model 636N & 636L 1.0 MHz to 50 MHz - - 30 CL 50.001 MHz to 160 MHz 15 pF Model 636S 1.0 MHz to 50 MHz - - 50 50.001 MHz to 80 MHz 30 80.001 MHz to 106.250 MHz 15 Output Voltage Levels Logic '1' Level VOH CMOS Load 90%VCC - - V Logic '0' Level VOL CMOS Load - - 10%VCC Output Current Logic '1' Level (M,N,L,S) IOH VOH = 90%VCC - - -2, -4, -8, -16 mA Logic '0' Level (M,N,L,S) IOL VOL = 10%VCC - - +2, +4, +8, +16 Output Duty Cycle SYM @ 50% Level 45 - 55 % Rise and Fall Time @ 10% - 90% Levels, CL = 15pF Model 636M, 636N & 636L 1.0 MHz to 50 MHz - 6 10 50.001 MHz to 125 MHz - 3 5 TR, TF 125.001 MHz to 160 MHz - 1.5 2.5 ns Model 636S 1.0 MHz to 20 MHz - 6 8 20.001 MHz to 50 MHz - 3 5 50.001 MHz to 106.250 MHz - 1.5 2 Start Up Time TS Application of VCC - 5 10 ms Period Jitter, Pk-Pk - - - - 100 Period Jitter, RMS - - - - 25 ps Phase Jitter, RMS - Bandwidth 12 kHz - 20 MHz - - 1 Notes: 1. Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and aging. Document No. 008-0250-0 Page 2 - 3 Rev. H

Model 636 5.0mm x 3.2mm Low Cost HCMOS/TTL Clock Oscillator ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Enable Function S R Enable Input Voltage E T Model 636M Pin 1 Logic '1', Output Enabled 1.26 - - E M Model 636N VIH Pin 1 Logic '1', Output Enabled 1.75 - - A Model 636L Pin 1 Logic '1', Output Enabled 2.0 - - R A Model 636S Pin 1 Logic '1', Output Enabled 4.0 - - V P L Disable Input Voltage A IC Model 636M,636N,636L VIL Pin 1 Logic '0', Output Disabled - - 0.3 R T Model 636S Pin 1 Logic '0', Output Disabled - - 0.8 C LE Enable Time (M,N,L,S) TPLZ Pin 1 Logic '1' - - 10 ms E Standby Current IST Pin 1 Logic '0', Output Disabled - - 10 µA LVCMOS OUTPUT WAVEFORM TEST CIRCUIT, CMOS LOAD ENABLE TRUTH TABLE PIN 1 PIN 3 Logic ‘1’ Output Open Output Logic ‘0’ High Imp. MECHANICAL SPECIFICATIONS PACKAGE DRAWING MARKING INFORMATION 1. ** - Manufacturing Site Code. 2. YWW – Date code, Y – year, WW – week. 3. XXXMXXXX – Frequency is marked with only leading significant digits before the ‘M’ and 4 digits after the ‘M’ [including zeros]. CTS**YWW Ex. XXMXXXX [62M5000] ● XXXMXXXX XXXMXXXX [155M5200] NOTES 1. Termination pads [e4]. Barrier-plating is nickel [Ni] with gold [Au] flash plate. 2. Reflow conditions per JEDEC J-STD-020, 260°C maximum, 20 seconds. 3. MSL = 1. D.U.T. PIN ASSIGNMENTS PIN SYMBOL DESCRIPTION SUGGESTED SOLDER PAD GEOMETRY 1 EOH Enable CBYPASS should be ≥ 0.01 uF. 2 GND Circuit & Package Ground 3 Output RF Output 4 V Supply Voltage CC Document No. 008-0250-0 Page 3 - 3 Rev. H