Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) FEATURES 65 mil 65MHz to 130MHz Fundamental Mode Crystal. Output range: 65MHz – 130MHz (no PLL). Low Injection Power for crystal 50uW. Complementary outputs: PECL or LVDS. Selectable OE Logic Integrated variable capacitors. Supports 2.5V or 3.3V-Power Supply. Available in die form. Thickness 10 mil. 25 24 23 21 22 (1550,1475) 20 19 18 17 16 26 15 27 14 28 62 mil • • • • • • • • • DIE CONFIGURATION 13 29 12 11 30 10 31 DESCRIPTIONS PLL520-30 is a VCXO IC specifically designed to pull frequency fundamental crystals from 65MHz to 130MHz, with selectable PECL or LVDS outputs and OE logic (enable high or enable low). Its design was optimized to tolerate higher limits of interelectrodes capacitance and bonding capacitance to improve yield. It achieves very low current into the crystal resulting in better overall stability. Its internal varicaps allow an on chip frequency pulling, controlled by the VCON input. BLOCK DIAGRAM X+ X- 4 5 6 7 8 X DIE SPECIFICATIONS Name Value Size Reverse side 62 x 65 mil GND Pad dimensions 80 micron x 80 micron Thickness 10 mil OUTPUT SELECTION AND ENABLE Pad #9 OUTSEL OE Amplifier w/ integrated varicaps 3 (0,0) Y VCON Oscillator 9 2 1 0 1 Q Q Pad #25 OESEL PLL520-30 Selected Output LVDS PECL (default) Pad #30 OE_CTRL 0 1 (default) 0 1 0 1 State Tri-state Output enabled (default) Output enabled (default) Tri-state Pad #9, #25 and #30: Bond to GND to set to “0”, bond to VDD to set to “1” Pad #30: Logical states defined by PECL levels if OESEL is “1” Logical states defined by CMOS levels if OESEL is “0” 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 1 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) ELECTRICAL SPECIFICATIONS 1. Absolute Maximum Ratings PARAMETERS SYMBOL Supply Voltage MIN. MAX. UNITS 7 V V DD Input Voltage, dc VI V SS -0.5 V DD +0.5 V Output Voltage, dc VO V SS -0.5 V DD +0.5 V Storage Temperature TS -65 150 °C Ambient Operating Temperature* TA 0 70 °C Junction Temperature TJ 125 °C 260 °C 2 kV Lead Temperature (soldering, 10s) Input Static Discharge Voltage Protection 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. 2. Crystal Specifications PARAMETERS Built-in Capacitance SYMBOL CONDITIONS MIN. TYP. MAX. 2 CX+ CX- Inter-electrode capacitance C0 C0/C1 ratio (gamma) γ Oscillation Frequency OF UNITS 65MHz to 130MHz (VDD=3.3V) 2 pF 300 - 130 MHz 2.6 Fund. 65 3. Voltage Control Crystal Oscillator PARAMETERS VCXO Stabilization Time * VCXO Tuning Range CLK output pullability On-chip Varicaps control range SYMBOL T VCXOSTB CONDITIONS MIN. From power valid XTAL C 0 /C 1 < 300 TYP. MAX. 10 ms 200* 0V ≤ VCON ≤ 3.3V at room temperature VCON = 0 to 3.3V UNITS ppm ±100* ppm 4 – 18* pF Linearity 5* VCXO Tuning Characteristic 65 ppm/V VCON input impedance 60 kΩ VCON modulation BW 0V ≤ VCON ≤ 3.3V, -3dB 10* 25 % kHz Note: Parameters denoted with an asterisk (*) represent nominal characterization data and are not production tested to any specific limits. 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 2 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) 4. General Electrical Specifications PARAMETERS SYMBOL Supply Current (Loaded Outputs) I DD Operating Voltage V DD CONDITIONS MIN. PECL/LVDS 3.13 @ 1.25V (LVDS) @ Vdd – 1.3V (PECL) Output Clock Duty Cycle TYP. 45 45 50 50 MAX. UNITS 100/80 mA 3.47 V 55 55 % ±50 Short Circuit Current mA 5. Jitter specifications PARAMETERS CONDITIONS MIN. TYP. MAX. UNITS Period jitter RMS 77.76MHz 3.5* ps Period jitter peak-to-peak 77.76MHz 24* ps Integrated jitter RMS Integrated 12 kHz to 20 MHz at 77.76MHz 0.5* ps *: To be measured 6. Phase noise specifications PARAMETERS Phase Noise relative to carrier FREQUENCY @10Hz @100Hz @1kHz @10kHz @100kHz UNITS 77.76MHz -75 -95 -125 -145 -155 dBc/Hz Note: Phase Noise at VCON = 0V – to be measured 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 3 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) 7. LVDS Electrical Characteristics PARAMETERS SYMBOL Output Differential Voltage V DD Magnitude Change MIN. TYP. MAX. UNITS V OD 247 355 454 mV ∆V OD -50 50 mV 1.6 V Output High Voltage V OH Output Low Voltage V OL Offset Voltage CONDITIONS 1.4 R L = 100 Ω (see figure) 0.9 1.1 V OS 1.125 1.2 1.375 V Offset Magnitude Change ∆V OS 0 3 25 mV Power-off Leakage I OXD ±1 ±10 uA Output Short Circuit Current I OSD -5.7 -8 mA V out = V DD or GND V DD = 0V V 8. LVDS Switching Characteristics PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Differential Clock Rise Time tr 0.2 0.7 1.0 ns Differential Clock Fall Time tf R L = 100 Ω C L = 10 pF (see figure) 0.2 0.7 1.0 ns LVDS Levels Test Circuit LVDS Switching Test Circuit OUT OUT CL = 10pF 50Ω VOD VDIFF VOS RL = 100Ω 50Ω CL = 10pF OUT OUT LVDS Transistion Time Waveform OUT 0V (Differential) OUT 80% VDIFF 80% 0V 20% 20% tR tF 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 4 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) 9. PECL Electrical Characteristics PARAMETERS SYMBOL CONDITIONS MIN. MAX. UNITS Output High Voltage V OH V DD – 1.025 V DD – 0.750 V Output Low Voltage V OL R L = 50 Ω to (V DD – 2V) (see figure) V DD – 1.900 V DD – 1.620 V 10. PECL Switching Characteristics PARAMETERS SYMBOL CONDITIONS MIN. TYP. MAX. UNITS Clock Rise Time tr @20/80% - PECL 0.3 0.6 1.5 ns Clock Fall Time tf @80/20% - PECL 0.3 0.5 1.5 ns PECL Levels Test Circuit OUT PECL Output Skew VDD 50Ω OUT 2.0V 50% 50Ω OUT tSKEW OUT PECL Transistion Time Waveform DUTY CYCLE 45 - 55% 55 - 45% OUT 80% 50% 20% OUT tR tF 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 5 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) PAD ASSIGNMENT Pad # Name X (µm) Y (µm) 1 Optional GND 248 109 2 Optional GND 361 109 3 Optional GND 473 109 4 Optional GND 587 109 5 GND 702 109 6 Reserved 874 109 7 Optional GNDBUF 1042 109 8 GNDBUF 1171 109 9 OUTSEL 1400 125 10 LVDS 1400 259 11 PECL 1400 476 12 VDDBUF 1400 616 13 Optional VDDBUF 1400 716 14 PECLB 1400 871 15 LVDSB 1400 1089 16 Not connected 1400 1227 17 GNDBUF 1389 1365 18 Reserved 1232 1365 19 Reserved 1042 1365 20 Not connected 854 1365 21 Optional VDD 659 1365 22 Optional VDD 559 1365 23 VDD 459 1365 24 Optional VDD 358 1365 25 OESEL 194 1365 26 XIN 109 1223 27 XOUT 109 1017 28 Not connected 109 858 29 Not connected 109 646 30 OE_CTRL 109 397 31 VCON 109 181 Note: for optimal Phase Noise performance, it is recommended to bond all optional VDD and GND pads. 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 6 Preliminary PLL520-30 PECL and LVDS Low Phase Noise VCXO (for 65-130MHz Fund Xtal) ORDERING INFORMATION PART NUMBER The order number for this device is a combination of the following: Device number, Package type and Operating temperature range PLL520-30 D C PART NUMBER TEMPERATURE C=COMMERCIAL PACKAGE TYPE D=DIE PhaseLink Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information furnished by Phaselink is believed to be accurate and reliable. However, PhaseLink 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: PhaseLink’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 PhaseLink Corporation. 47745 Fremont Blvd., Fremont, California 94538 TEL (510) 492-0990 FAX (510) 492-0991 Rev 4/20/04 Page 7