EG-2102CA -High frequency PECL Oscillator- Features * Generates high frequency clock from a high stability SAW (surface acoustic wave) resonator. * Differential LV-PECL output. * Very low jitter/low phase noise. * Small SMD in 7x5mm, Max1.4mm height, ceramic package. Applications * 10Gigabit Ethernet, Fibre channel, High-end Server Absolute Maximum Ratings Item Supply Voltage Storage temperature Symbol VCC Tstg Solder heat resistance of the outer lead Operating range Item Tsol MIN. -0.5 -40 TYP. MAX. +4.0 +100 Unit MIN. TYP. MAX. VCC TOPR V C 3.0 0 -5 3.3 3.6 +70 +85 RL Symbol Unit fosc df/f0 MHz ppm Symbol tosc IOP IOE tTLH tTHL tw/t Unit ms mA mA ps ps % VOH VOL VIH VIL TPXZ TPZX tPJ V V V V ns ns UI Output load Oscillation Range Frequency Stability Condition VCC - GND Stored as bare product after unpacking Max. 240C x Max. 10s x 2 times Symbol Supply voltage Operating temperature Frequency characteristics Item Unit V C 50 Condition P version R version Terminated to VCC -2V (VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V) MIN. TYP. MAX. Condition 700 +/-100 H stability *1 +/-50 G stability *1 st Aging dfa ppm +/-5 1 year N (Excluding Aging) condition *1 This includes initial frequency tolerance, temperature variation, supply voltage variation, load variation and reflow drift. Condition "A" includes 10yrs aging. Condition "N" doesn't include aging. Electrical characteristics Item Start up time Current consumption Disable current Rise time Fall time Duty at outputs crossing point High level output voltage Low level output voltage High level input voltage Low level input voltage Output disable time Output enable time Phase Jitter *2 Period Jitter *3 n=50000 samples tDJ tRJ tRMS tp-p tacc 100 (VCC=3.0 to 3.6,GND=0.0V,Load=Max,Output bias=Vcc-2.0V) MIN. TYP MAX. Condition 10 t=0 at VCC=3.135V 80 100 With 50 load 32 OE=GND 400 20-80% of (VOH-VOL) 400 80-20% of (VOH-VOL) 45 55 P version. 100 to 700MHz 48 52 D version. <350MHz Vcc-1.03 2.35 Vcc-0.88 VCC=3.3V, *4 Vcc-1.81 1.60 Vcc-1.62 VCC=3.3V 0.7VCC OE Terminal. 0.3VCC OE Terminal. 100 When OE turns High to Low. 100 When OE turns Low to High. -3 0.072x10 12KHz to 20MHz, rms UI 0.103x10 ps ps ps ps ps 5 3 3 25 4 -3 50KHz to 80MHz, rms 10 4 4 40 5 Deterministic Jitter of Random Jitter of Total jitter distribution Peak to Peak of jitter distribution of Total jitter distribution Accumulated Jitter *3 n=2 to 50000 cycles *2 Measured by SSB phase noise test equipment. *3 Measured by Time interval analyzer or oscilloscope. *4 VOH = Vcc-1.09 MIN at Ta<0C EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com EG-2102CA Rev 1.1 2Y5 Test circuit 50 Line Impedance IOP A By-pass capacitor 10F 6 5 4 Vcc OUT OUT 130 130 Test Point Power Supply Bypass capacitor 0.01 to 0.1 F OE Test Point OE NC GND 1 2 3 82 82 Timing chart tTHL tTLH Vcc OUT 80% Outputs crossing 20% Output bias Vcc-2.0V OUT VOH VOL tw Duty=tw/t x 100 t GND OE function and timing OE terminal Osc. circuit Output High or Open Enable Enable Low Enable Disable (high impedance) OE VIH VIL Disable Enable tPZX tPXZ OUT high impedance OUT EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com EG-2102CA Rev 1.1 2Y5 External Dimensions ( Unit : mm ) #5 #4 #5 #1 #3 #3 #2 (Metallize) #2 #6 2.60 5.0 0.2 E EG-2102 644.531P HPA21MA #1 0.70 5.08 1.4 Max #4 1.10 7.0 0.2 #6 1.40 * Soldering pattern Pin Name OE N.C. GND OUT OUT VCC 3.90 2.40 No. #1 #2 #3 #4 #5 #6 1.60 1.50 0.94 5.08 Part Numbering Guide *1 EG-2102CA - (Frequency)M - P H P A Stability condition A: Including 10yrs Aging Temperature Range P: 0 to +70C Frequency Stability H: +/-100ppm Output P: LVPECL (Duty +/-5%) Output Frequency N: Excluding Aging R: - 5 to +85C G: +/-50ppm D: LVPECL (Duty +/-2%) *2 : see Standard frequency list (4-Digit accuracy) *1: Available combination : xHPA, xHPN, xHRA, xHRN, xGPN For xGPA and xGRN, please contact Epson. xGRA is not available. *2: D (Duty+/-2%) is available under 350MHz. Standard Frequency List 100.0000 106.2500 125.0000 155.5200 200.0000 212.5000 250.0000 311.0400 400.0000 425.0000 500.0000 622.0800 159.3750 th Please round off 5 digit specify 4-digit accuracy under decimal point. Nominal frequency: *3=161.1328125MHz, *4=322.265625MHz, *5=644.53125MHz EPSON ELECTRONICS AMERICA, INC. www.eea.epson.com 156.2500 312.5000 625.0000 161.1328 *3 322.2656 *4 644.5313 *5 EG-2102CA Rev 1.1 2Y5