ABX0211 96MHz – 200MHz Low Phase Noise PECL XO (12 – 25MHz Crystals) FEATURES • • • • Low phase noise output for the 96MHz to 200MHz range (-134 dBc at 10kHz offset). PECL output. 12 to 25MHz crystal input. Integrated crystal load capacitor: no external load capacitor required. Output Enable selector. 3.3V operation. Available in 16 Pin TSSOP. VDD 1 16 VDD VDD 2 15 GND_BUF XIN 3 14 CLKBAR XOUT 4 13 VDD_BUF OE^ 5 12 CLK N/C 6 11 GND_BUF GND 7 10 GND GND 8 9 GND ABX0211 • • • PIN CONFIGURATION Note: ^ denotes internal pull up F OUT = F X IN x 8 DESCRIPTION The ABX0211 is a monolithic low jitter and low phase noise (-134dBc/Hz @ 10kHz offset) XO IC with PECL output, for 96MHz to 200MHz output range. It provides a low phase noise reference frequency using a low cost crystal. The chip delivers an output frequency of F XIN x 8. This makes the ABX0211 ideal for a wide range of applications, including 155.52MHz for SONET. OE (Pin 5) 0 1 (Default) Output State Tri-state Output enabled BLOCK DIAGRAM VCO Divider Reference Divider XIN XOUT XTAL OSC Phase Comparator Charge Pump Loop Filter VCO CLKBAR CLK OE 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1 ABX0211 96MHz – 200MHz Low Phase Noise PECL XO (12 – 25MHz Crystals) PIN DESCRIPTIONS Name Number Type VDD XIN XOUT 1,2,16 3 4 P I I OE 5 I N/C GND GND_BUF CLK VDD_BUF CLKB 6 7,8,9,10 11,15 12 13 14 P P O P O Description Power supply. Crystal input. See Crystal Specifications on page 2. Crystal output. See Crystal Specifications on page 2. Output enable input. Disables (tri-state) output when low. Internal pull-up enables output by default if pin is not connected to low. Not connected. Ground. Ground for output buffers. True clock output. Power supply for output buffers. Complementary clock output. ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS SYMBOL MIN. V DD VI VO TS TA TJ -0.5 -0.5 -65 -40 Supply Voltage Input Voltage, dc Output Voltage, dc Storage Temperature Ambient Operating Temperature* Junction Temperature Lead Temperature (soldering, 10s) ESD Protection, Human Body Model MAX. UNITS 4.6 V DD +0.5 V DD +0.5 150 85 125 260 2 V V V °C °C °C °C kV Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions above the operational limits noted in this specification is not implied. * Note: Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only. 2. Crystal Specifications PARAMETERS Crystal Resonator Frequency Crystal Loading Rating Recommended ESR SYMBOL CONDITIONS MIN. F XIN C L (xtal) RE Parallel Fundamental Mode 12 TYP. MAX. UNITS 25 MHz pF 30 Ω 20 AT cut 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 2 ABX0211 96MHz – 200MHz Low Phase Noise PECL XO (12 – 25MHz Crystals) 3. General Electrical Specifications PARAMETERS SYMBOL Supply Current, Dynamic (with Loaded Outputs) Operating Voltage Output Clock Duty Cycle Short Circuit Current I DD CONDITIONS MIN. TYP. MAX. UNITS 80 mA 3.63 55 V % mA PECL V DD @ V DD – 1.3V (PECL) 2.97 45 50 ±50 4. Jitter and Phase Noise Specification PARAMETERS Period jitter RMS Accumulated jitter RMS Phase Phase Phase Phase Noise Noise Noise Noise relative relative relative relative to to to to carrier carrier carrier carrier CONDITIONS With capacitive decoupling between VDD and GND. With capacitive decoupling between VDD and GND. Over 10,000 cycles. 155MHz @100Hz offset 155MHz @1kHz offset 155MHz @10kHz offset 155MHz @100kHz offset MIN. TYP. MAX. UNITS 4 ps 9 ps -95 -120 -125 -121 dBc/Hz dBc/Hz dBc/Hz dBc/Hz 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 3 ABX0211 96MHz – 200MHz Low Phase Noise PECL XO (12 – 25MHz Crystals) 5. PECL Electrical Characteristics PARAMETERS SYMBOL CONDITIONS MIN. V OH V OL R L = 50 Ω to (V DD – 2V) (see figure) V DD – 1.025 Output High Voltage Output Low Voltage MAX. UNITS V DD – 1.620 V V 6. PECL Switching Characteristics PARAMETERS SYMBOL Clock Rise Time Clock Fall Time tr tf CONDITIONS @20/80% - PECL @80/20% - PECL PECL Levels Test Circuit OUT TYP. MAX. UNITS 0.6 0.5 1.5 1.5 ns ns PECL Output Skew OUT VDD 50Ω MIN. 2.0V 50% 50Ω OUT tSKEW OUT PECL Transistion Time Waveform DUTY CYCLE 45 - 55% 55 - 45% OUT 80% 50% 20% OUT tR tF 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 4 ABX0211 96MHz – 200MHz Low Phase Noise PECL XO (12 – 25MHz Crystals) PACKAGE INFORMATION 16 PIN TSSOP ( mm ) Symbol A A1 B C D E H L e Min. Max. 1.20 0.05 0.15 0.19 0.30 0.09 0.20 4.90 5.10 4.30 4.50 6.40 BSC 0.45 0.75 0.65 BSC E H D A A1 C e L B ORDERING INFORMATION For part ordering, please contact our Sales Department: 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 PART NUMBER The order number for this device is a combination of the following: Device number, Package type and Operating temperature range ABX0211 PART NUMBER XC TEMPERATURE C=COMMERCIAL I=INDUSTRAL PACKAGE TYPE O=TSSOP Order Number Marking Package Option ABX0211OC-T ABX0211OC ABX0211OC ABX0211OC TSSOP - Tape and Reel TSSOP – Tube Abracon Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information furnished by Abracon is believed to be accurate and reliable. However, Abracon makes no guarantee or warranty concerning the accuracy of said information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product. LIFE SUPPORT POLICY: Abracon’s products are not authorized for use as critical components in life support devices or systems without the express written approval of the President of Abracon Corporation. 30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 5