Model 357 Voltage Controlled Crystal Oscillator FEATURES • Standard 7x5mm Surface Mount Footprint • HCMOS/TTL Compatible Output • Frequency Range 1.5 – 77.76 MHz • Frequency Stability, ±50 ppm Standard (±25 ppm and ±20 ppm available) • +3.3Vdc or +5.0Vdc Operation • Operating Temperature to –40°C to +85°C • Output Enable Standard • Low Phase Jitter, NON-Multiplied • Tape & Reel Packaging • RoHS/Green Compliant DESCRIPTION The Model 357 is a ceramic packaged Voltage Controlled oscillator offering reduced size and enhanced stability. The small size means it is perfect for any application. The enhanced stability means it is the perfect choice for today’s communications applications that require tight frequency control. ORDERING INFORMATION 357 M SUPPLY VOLTAGE FREQUENCY IN MHz L = +3.3 Vdc, Pin 2 Enable (standard) M - indicates MHz and decimal point. S = +5.0 Vdc, Pin 2 Enable (standard) Frequency is recorded with minimum 4 V = +3.3 Vdc, Pin 5 Enable significant digits to the right of the "M". W = +5.0 Vdc, Pin 5 Enable ABSOLUTE PULL RANGE (APR) OPERATING TEMPERATURE RANGE B = ± 50 ppm APR (standard) C = -20°C to +70°C (standard) C = ± 80 ppm APR I = -40°C to +85°C * D = ± 100 ppm APR FREQUENCY STABILITY 3 = ± 50 ppm (standard) 5 = ± 25 ppm 6 = ± 20 ppm * * Consult factory for 6I availability. Example Part Number: 357LB3C019M4400 Document No. 008-0244-0 Page 1 - 4 Rev. H ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ ٠ ٠ ٠ ٠ ٠ www.ctscorp.com ٠ ٠ ٠

Model 357 7x5mm Low Cost HCMOS/TTL Compatible VCXO ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Maximum Supply Voltage VCC - -0.5 - 7.0 V s Maximum Control Voltage VC - -0.5 - VCC V um Storage Temperature TSTG - -55 - 125 °C m Frequency Range fO - 1.5 - 77.76 MHz Maxi (FSeree qNuoeten c1y a Sndta Obrilditeyri n g I n fo r m a t io n ) ∆f/fO - - - 20, 5205 or ± ppm ute Absolute Pull Range APR - 50, 80 or - - ± ppm ol (See Note 2 and Ordering Information) 100 bs Operating Temperature A Commercial TA - -20 25 70 °C Industrial -40 85 Supply Voltage ± 10 % Model 357S, 357W VCC 4.5 5.0 5.5 V Model 357L, 357V 2.97 3.3 3.63 Supply Current CL= 15 pF 1.5 MHz to 20 MHz - 5 20 ICC 20.1 MHz to 40 MHz - 8 30 mA 40.1 MHz to 60 MHz - 10 40 60.1 MHz to 80 MHz - 12 45 Output Load CL - - 30 pF rs Control Voltage mete MMooddeell 335577LS,, 335577VW VC VVCC == 53..03VV 00..53 12..655 43..50 V CC a ar Frequency Deviation ∆f 25°C at Time of Shipment, over VC range - 135 - ± ppm rm P L iBneesatr iStytraight Line Fit L <> 5522 MMHHzz - 58 1105 % o ef Output Duty Cycle SYM @ 50% Level 45 - 55 % v a Output Voltage Levels W d Logic '1' Level VOH CMOS Load 90%VCC - - V an Logic '0' Level VOL CMOS Load - - 10%VCC rical O Luotpguict 'C1u' rLreevnetl Levels IOH CMOS Load - - -14 mA ect Logic '0' Level IOL CMOS Load - - 14 El Rise and Fall Time TR, TF @ 10% - 90% Levels - 3.5 5.0 ns Input Impedance Z - 50 - - kOhms C Transfer Function - - - Positive - - Start Up Time TS Application of VCC - - 10 ms Modulation Roll-off - @ -3dB 10 - - kHz Phase Jitter tjms Bandwidth 12 kHz - 20 MHz - - 1 ps RMS Enable Function Enable Input Voltage VIH Pin 2 or Pin 5 Logic '1', Output Enabled 2.5 - - V Disable Input Voltage VIL Pin 2 or Pin 5 Logic '0', Output Disabled - - 0.5 Enable Time TPLZ Pin 2 or Pin 5 Logic '1' - - 100 ns Notes: 1.Inclusive of initial tolerance at time of shipment, changes in supply voltage, load, temperature and 10 year aging at an average operating temperature of +40 °C. 2.Minimum guaranteed frequency shift from fO over variations in temperature, aging, power supply and load at an average operating temperature of +40°C for 10 years. SINGLE SIDE BAND PHASE NOISE (typical maximum) Frequency Phase Noise Frequency Phase Noise Offset (dBc/Hz) * Offset (dBc/Hz) * 10 Hz -60 10k Hz -130 100 Hz -90 100k Hz -150 1k Hz -112 ≥ 100k Hz -150 * Results may vary depending on frequency. Document No. 008-0244-0 Page 2 - 4 Rev. H ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ ٠ ٠

Model 357 7x5mm Low Cost HCMOS/TTL Compatible VCXO CMOS/TTL OUTPUT WAVEFORM TEST CIRCUIT, CMOS LOAD Tr Tf VOH N.C. or Enable Input + - 90%, 80%, 2.4V mA 50%, 1.5V 6 5 4 + + 0.01uF 10%, 20%, 0.5V PSOUPWPELRY VM D.U.T. CL - - UPTIME (t) VOL 1 2 3 capacitance. PERIOD (T) DUTY CYCLE = t/T x 100 (%) -POWER+ SUPPLY Enable Input or N.C. D.U.T. PIN ASSIGNMENTS PIN SYMBOL DESCRIPTION 1 VC Control Voltage ENABLE TRUTH TABLE 2 EOH or N.C. Enable or No Connect PIN 2 or PIN 5 PIN 4 3 GND Circuit & Package Ground Logic ‘1’ Output 4 Output RF Output Open Output 5 N.C. or EOH No Connect or Enable Logic ‘0’ High Imp. 6 V Supply Voltage CC MECHANICAL SPECIFICATIONS PACKAGE DRAWING MARKING INFORMATION (7.0 ±0.2) 0.276 ±0.008 PIN 1 IDENTIFIER (1.4) 1. ** - Manufacturing Site Code. 0.055 2. YYWW – Date code, YY – year, WW – week. (1.27) 3. Truncated CTS part number. 0.050 4. XXXMXXXX - Frequency marked with 4 CTS ** YYWW 4 5 6 significant digits after the ‘M’. (5.0 ±0.2) (3.73) 357LB3C 0.197 ±0.008 0.147 ● XXXMXXXX 3 2 1 NOTES 1. Termination pads (e4), barrier-plating is nickel (Ni) with gold (Au) flash plate. (2.54) 2. Reflow conditions per JEDEC J-STD-020. 0.100 (2.0) (5.08) MAX 0.200 0.079 (mm) Key: Inch SUGGESTED SOLDER PAD GEOMETRY SUGGESTED REFLOW PROFILE .071 [1.80] 300 Maximum 260°C, 10 seconds CBYPASS Typical 245°C 6 5 4 200 .165 [4.20] Temp. 130°C (°C) 100 .079 [2.00] 1 2 3 0 .100 [2.54] 0 30 60 90 120 150 180 210 240 270 300 [mm] .200 [5.08] Key: Inch Time (Seconds) C should be ≥ 0.01 uF. BYPASS Document No. 008-0244-0 Page 3 - 4 Rev. H ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ ٠ ٠

Model 357 7x5mm Low Cost HCMOS/TTL Compatible VCXO TAPE AND REEL INFORMATION DIMENSIONS IN MILLIMETERS 17.5 2.0 Ø13 4.0 8.0 Ø1.50 1.75 2.40 2.10 120° 8.40 16.0 Ø60 Ø180 7.90 5.70 5.40 Ø23 DIRECTION OF FEED Device quantity is 1,000 pieces per 180mm reel. ENVIRONMENTAL SPECIFICATIONS Temperature Cycle: 400 cycles from –55°C to +125°C, 10 minute dwell at each temperature, 1 minute transfer time between temperatures. Mechanical Shock: 1,500g’s, 0.5mS duration, ½ sinewave, 3 shocks each direction along 3 mutually perpendicular planes (18 total shocks). Sinusoidal Vibration: 0.06 inches double amplitude, 10 to 55 Hz and 20g’s, 55 to 2,000 Hz, 3 cycles each in 3 mutually perpendicular planes (9 times total). Gross Leak: No leak shall appear while immersed in an FC40 or equivalent liquid at +125°C for 20 seconds. Fine Leak: Mass spectrometer leak rates less than 2x10-8 ATM cc/sec air equivalent. Resistance to Solder Heat: Product must survive 3 reflows of +260°C peak, 10 seconds maximum. High Temperature Operating Bias: 2,000 hours at +125°C, maximum bias, disregarding frequency shift. Frequency Aging: 1,000 hours at +85°C, full bias, less than ±5 ppm shift. Moisture Sensitivity Level: Level 1 per JEDEC J-STD-020. QUALITY AND RELIABILITY Quality systems meet or exceed the requirements of ISO 9000:2000 standards. Document No. 008-0244-0 Page 4 - 4 Rev. H ٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ ٠ ٠

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C TS: 357LB3I001M5440 357LB3I004M0960 357LB3I006M1760 357LB3I016M3840 357LB3I019M4400 357LB3I020M0000 357LB3I027M00000 357LB3I032M7680 357LB3I035M3280 357LB3I038M8800 357LB3I040M0000 357LB3I044M7360 357LB3I027M0000 357LB3I061M4400 357LB3I077M7600 357LB3C027M0000 357LB3C024M5760 357LB3I025M6000 357LB3I060M0000 357LB5C038M8800 357LB5C049M1520 357LC5C027M1450 357LD3C027M0000 357LD3I012M2880 357LD5C027M0000 357LD5C040M0000 T usonix / CTS: 357-001-X5U0-152MLF 357-000-X5U0-102M 357LB3I002M0480 357LB3I065M3600