SY89531LHZ Micrel Inc, SY89531LHZ Datasheet
SY89531LHZ
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SY89531LHZ Summary of contents
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Micrel, Inc. FEATURES Integrated synthesizer plus fanout buffers, clock drivers, and translator in a single 64-pin package 3.3V 10% power supply Low jitter: <50ps cycle-to-cycle Low pin-to-pin skew: <50ps 33MHz to 500MHz output frequency range Direct interface to crystal: 14MHz ...
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... Tape and Reel. 3. Pb-Free package is recommended for new designs. 2 Precision Edge (1) Operating Package Range Marking Commercial SY89531LHC Commercial SY89531LHC Commercial SY89531LHZ with Pb-Free bar-line indicator Pb-Free Commercial SY89531LHZ with Pb-Free bar-line indicator Pb-Free = Electricals only. A ® SY89531L Lead Finish Sn-Pb Sn-Pb Matte-Sn Matte-Sn ...
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Micrel, Inc. PIN DESCRIPTION Power Pin Number Pin Name 60 CC_Logic 62 V CCA CCO 30, 31 CCO CCO 9, 25, 63, 29 GND (exposed pad) Configuration Pin Number ...
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Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) ................................... –0.5V to +4. Pin Potential to Ground Pin (All V CC Input Voltage (except XTAL 1,2 pins) (V XTAL 1, 2 Input Voltage (V ) ...... (V XTAL ...
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Micrel, Inc. DC ELECTRICAL CHARACTERISTICS LVCMOS/LVTTL Input Control Logic (V Symbol Parameter V Input HIGH Voltage IH V Input LOW Voltage IL I Input HIGH Current IH I Input LOW Current IL ExtVCO (Pins 5, 6) INPUT (All V pins ...
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Micrel, Inc. AC ELECTRICAL CHARACTERISTICS A/C = +3.3V 10%, V CC_LOGIC CCA CCO Symbol Parameter f Xtal Input Frequency Range IN f Output Frequency Range OUT t Internal VCO Frequency Range VCO External VCO Frequency ...
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Micrel, Inc. TIMING DIAGRAMS Conditions: Internal VCO, unless otherwise stated. VCO FSEL FOUT OUT_SYNC VCO (ext.) FSEL FOUT OUT_SYNC VCO FSEL FOUT OUT_SYNC M9999-010808 hbwhelp@micrel.com or (408) 955-1690 001 010 t SETUP_FSEL t OUTPUT_RESET t HOLD_FSEL Frequency Programming (Internal VCO ...
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Micrel, Inc. FUNCTIONAL BLOCK DIAGRAM 1 4 VCO_SEL /ExtVCO 5 Buf 6 ExtVCO Loop Ref 7 8 Loop Filter 14MHz to 18MHz GND 9 Phase Charge 10 XTAL2 Detector Pump Oscillator 11 XTAL1 V —1.425V CC Reference VBB_Ref 12 or ...
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Micrel, Inc. FUNCTIONAL DESCRIPTION At the core of the SY89531L clock synthesizer is a precision PLL driven by 14MHz to 18MHz series resonant crystal. For users who wish to supply a TTL or LVPECL clock input, please use the SY89536L. ...
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Micrel, Inc. Crystal Input and Oscillator Interface The SY89531L features a fully integrated on-board oscillator to minimize system implementation costs. The oscillator is a series resonant, multivibrator type design, and thus, a series-resonant crystal is preferred, but not required. A ...
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Micrel, Inc. Power Supply Filtering Techniques As with any high-speed integrated circuit, power supply filtering is very important minimum, V and all V pins should be individually connected using a CCO via to the power supply plane, and ...
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Micrel, Inc. FEEDBACK DIVIDE SELECT TABLE (MSEL ...
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Micrel, Inc. INPUT INTERFACE FOR EXTVCO PINS V V CC(DRIVER) CC TTL EXTVCO LVTTL /EXTVCO 1% SY89531L Figure 5a. 3.3V “TTL” 2.3V to 2.7V 3.0V to 3.6V 2.5V EXTVCO LVTTL /EXTVCO SY89531L 1% Figure 5c. 2.5V “LVTTL” EXTVCO ...
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Micrel, Inc CC(DRIVER CML 130 130 1% 1% Figure 5g. CML AC-Coupled (Long Trace Lengths) M9999-010808 hbwhelp@micrel.com or (408) 955-1690 V CC EXTVCO /EXTVCO SY89531L 14 Precision Edge SY89531L V CC EXTVCO 100 ...
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Micrel, Inc. OUTPUT TERMINATION RECOMMENDATIONS +3.3V “Source” Figure 6. PECL Parallel Termination Thevenin Equivalent “Source” Figure 7. LVPECL Three-Resistor “Y-Termination” Note 1. Place termination resistors as close to destination inputs as possible. Note 2. PECL Y-termination is a power-saving alternative ...
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Micrel, Inc. 64-PIN EPAD-TQFP (DIE UP) (H64-1) +0.03 –0.03 +0.012 –0.012 Heat Dissipation Package Notes: Note 1. Package meets Level 2 moisture sensitivity classification, and is shipped in dry-pack form. Note 2. Exposed pads must be soldered to a ground ...