ICS840002 ICST | Alldatasheet

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Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER GENERAL DESCRIPTION The ICS840002I is a 2 output LVCMOS/LVTTL Synthesizer optimized to generate Fibre Channel reference clock frequencies and is a member of the HiPerClocksTM family of high performance clock solutions from ICS. Using a 26.5625MHz 18pF parallel resonant crystal, the following frequencies can be generated based on the 2 frequency select pins (F_SEL1:0): 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz, and 53.125MHz. The ICS840002I uses ICS’ 3rd generation low phase noise VCO technology and can achieve 1ps or lower typical rms phase jitter, easily meeting Fibre Channel jitter requirements. The ICS840002I is packaged in a 16-pin TSSOP package. HiPerClockS™ ICS BLOCK DIAGRAM PIN ASSIGNMENT F_SEL0 nXTAL_SEL TEST_CLK OE MR nPLL_SEL VDDA VDD F_SEL1 GND GND VDDO XTAL_IN XTAL_OUT ICS840002I 16-Lead TSSOP 4.4mm x 5.0mm x 0.92mm package body G Package Top View

FEATURES

  • Two LVCMOS outputs @ 3.3V, 17Ω typical output impedance
  • Selectable crystal oscillator interface or LVCMOS single-ended input
  • Output frequency range: 46.66MHz - 233.33MHz
  • VCO range: 560MHz - 700MHz
  • Supports the following output frequencies: 212.5MHz, 159.375MHz, 156.25MHz, 106.25MHz and 53.125MHz
  • RMS phase jitter @ 212.5MHz (637KHz - 10MHz): 0.83ps (typical) Typical phase noise at 212.5MHz: Offset Noise Power
  • Power supply modes: Core/Output 3.3V/3.3V 3.3V/2.5V 2.5V/2.5V
  • -40°C to 85°C ambient operating temperature
  • Lead-Free package RoHS compliant OE F_SEL1:0 nPLL_SEL nXTAL_SEL XTAL_IN XTAL_OUT TEST_CLK MR OSC Phase Detector VCO M = ÷24 (fixed) F_SEL1:0 0 0 ÷3 0 1 ÷4 1 0 ÷6 1 1 ÷12 (default) N 26.5625MHz Pullup Pulldown Pulldown Pulldown Pullup:Pullup Pulldown FREQUENCY SELECT FUNCTION TABLE y c n e u q e r F t u p n I z H M s t u p n I y c n e u q e r F t u p t u O z H M L E S F L E S F e u l a V r e d i v i D M e u l a V r e d i v i D N e u l a V o it a R N M

TABLE 1. PIN DESCRIPTIONS TABLE 2. PIN CHARACTERISTICS TABLE 3. FREQUENCY SELECT FUNCTION TABLE

Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER ABSOLUTE MAXIMUM RATINGS Supply Voltage, VDD 4.6V Inputs, VI -0.5V to VDD + 0.5 V Outputs, VO -0.5V to VDD + 0.5V Package Thermal Impedance, θJA 89°C/W (0 lfpm) Storage Temperature, TSTG -65°C to 150°C NOTE: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only. Functional operation of product at these conditions or any conditions be- yond those listed in the DC Characteristics or AC Character- istics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability. TABLE 4B. POWER SUPPLY DC CHARACTERISTICS, VDD = VDDA = VDDO = 2.5V±5%, TA = -40°C TO 85°C l o b m y S r e t e m a r a P s n o iti d n o C t s e T m u m i n i M l a c i p y T m u m i x a M s ti n U V D D e g a tlo V ylp p u S e r o C V V A D D e g a tlo V ylp p u S g ola n A V V O D D e g a tlo V ylp p u S t u p t u O V I D D t n e rr u C ylp p u S r e w o P A m I A D D t n e rr u C ylp p u S g ola n A A m I O D D t n e rr u C ylp p u S t u p t u O A m TABLE 4A. POWER SUPPLY DC CHARACTERISTICS, VDD = VDDA = 3.3V±5%, VDDO = 3.3V±5% OR 2.5V±5%, TA = -40°C TO 85°C l o b m y S r e t e m a r a P s n o iti d n o C t s e T m u m i n i M l a c i p y T m u m i x a M s ti n U V D D e g a tlo V ylp p u S e r o C V V A D D e g a tlo V ylp p u S g ola n A V V O D D e g a tlo V ylp p u S t u p t u O V V I D D t n e rr u C ylp p u S r e w o P A m I A D D t n e rr u C ylp p u S g ola n A A m I O D D t n e rr u C ylp p u S t u p t u O A m

TABLE 5. CRYSTAL CHARACTERISTICS

Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER TABLE 6A. AC CHARACTERISTICS, VDD = VDDA = VDDO = 3.3V±5%, TA = -40°C TO 85°C TABLE 6B. AC CHARACTERISTICS, VDD = VDDA = 3.3V±5%, VDDO = 2.5V±5%, TA = -40°C TO 85°C l o b m y S r e t e m a r a P s n o iti d n o C t s e T m u m i n i M l a c i p y T m u m i x a M s ti n U f T U O e g n a R y c n e u q e r F t u p t u O L E S F z H M L E S F z H M L E S F z H M L E S F z H M t o k s E T O N w e k S t u p t u O s p t Ø (tij m o d n a R r e ttiJ e s a h P S M R E T O N e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H M s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p tR t F e m i T lla F e si R t u p t u O o t s p c d o elc y C yt u D t u p t u O L E S F L E S F n oitid n o c d a olla u q e h ti w d n a s e g a tlo v ylp p u s e m a s e h t t a st u p t u o n e e w t e b w e k s s a d e nif e D E T O N V t a d e r u s a e M O D D E T O N ol P e sio N e s a h P e h t o t r e f e r e s a el P d r a d n a t S C E D E J h ti w e c n a d r o c c a ni d e nif e d si r e t e m a r a p sih T E T O N l o b m y S r e t e m a r a P s n o iti d n o C t s e T m u m i n i M l a c i p y T m u m i x a M s ti n U f T U O e g n a R y c n e u q e r F t u p t u O L E S F z H M L E S F z H M L E S F z H M L E S F z H M t o k s E T O N w e k S t u p t u O s p t Ø (tij m o d n a R r e ttiJ e s a h P S M R E T O N e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H M s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p tR t F e m i T lla F e si R t u p t u O o t s p c d o elc y C yt u D t u p t u O L E S F L E S F n oitid n o c d a olla u q e h ti w d n a s e g a tlo v ylp p u s e m a s e h t t a st u p t u o n e e w t e b w e k s s a d e nif e D E T O N V t a d e r u s a e M O D D E T O N ol P e sio N e s a h P e h t o t r e f e r e s a el P d r a d n a t S C E D E J h ti w e c n a d r o c c a ni d e nif e d si r e t e m a r a p sih T E T O N

Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER TABLE 6C. AC CHARACTERISTICS, VDD = VDDA = VDDO = 2.5V±5%, TA = -40°C TO 85°C l o b m y S r e t e m a r a P s n o iti d n o C t s e T m u m i n i M l a c i p y T m u m i x a M s ti n U f T U O e g n a R y c n e u q e r F t u p t u O L E S F z H M L E S F z H M L E S F z H M L E S F z H M t o k s E T O N w e k S t u p t u O s p t Ø (tij m o d n a R r e ttiJ e s a h P S M R E T O N e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H M s p e g n a R n oit a r g e t n I z H M z H M z H K s p e g n a R n oit a r g e t n I z H M z H M z H K s p tR t F e m i T lla F e si R t u p t u O o t s p c d o elc y C yt u D t u p t u O L E S F L E S F n oitid n o c d a olla u q e h ti w d n a s e g a tlo v ylp p u s e m a s e h t t a st u p t u o n e e w t e b w e k s s a d e nif e D E T O N V t a d e r u s a e M O D D E T O N ol P e sio N e s a h P e h t o t r e f e r e s a el P d r a d n a t S C E D E J h ti w e c n a d r o c c a ni d e nif e d si r e t e m a r a p sih T E T O N

Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER TYPICAL PHASE NOISE AT 53.125MHZ @3.3V -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 53.125MHz RMS Phase Jitter (Random) 637KHz to 10MHz = 0.68ps (typical) OFFSET FREQUENCY (HZ) NOISE POWER dBc Hz Phase Noise Result by adding Fibre Channel Filter to raw data Raw Phase Noise Data Fibre Channel Filter 100 10k 100k 10M 100M TYPICAL PHASE NOISE AT 212.5MHZ @3.3V -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 -160 -170 -180 -190 212.5MHz RMS Phase Jitter (Random) 637KHz to 10MHz = 0.83ps (typical) OFFSET FREQUENCY (HZ) NOISE POWER dBc Hz Phase Noise Result by adding Fibre Channel to raw data Raw Phase Noise Data Fibre Channel Filter 100 10k 100k 10M 100M

Systems, Inc. 840002AGI www.icst.com/products/hiperclocks.html REV. A MARCH 10, 2005 ICS840002I FEMTOCLOCKS™ CRYSTAL-TO- LVCMOS/LVTTL FREQUENCY SYNTHESIZER PARAMETER MEASUREMENT INFORMATION Pulse Width tPERIOD tPW tPERIOD odc = VDDO Q0, Q1 RMS PHASE JITTER OUTPUT SKEW 3.3V CORE/3.3V OUTPUT LOAD AC TEST CIRCUIT SCOPE Qx LVCMOS 1.65V±5% -1.65V±5% OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD Clock Outputs 20% 80% 80% 20% tR tF VDD, VDDA, VDDO GND Phase Noise Mask Offset Frequency Phase Noise Plot RMS Jitter = Area Under the Masked Phase Noise Plot Noise Power tsk(o) VDDO VDDO Qx Qy OUTPUT RISE/FALL TIME SCOPE Qx LVCMOS 2.05V±5% -1.25V±5% VDD, VDDA GND 1.25V±5% VDDO 3.3V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT 2.5V CORE/2.5V OUTPUT LOAD AC TEST CIRCUIT SCOPE Qx LVCMOS 1.25V±5% -1.25V±5% VDD, VDDA, VDDO GND

TABLE 7. θJAVS. AIR FLOW TABLE FOR 16 LEAD TSSOP NOTE: Most modern PCB designs use multi-layered boards. The data in the second row pertains to most designs.

TABLE 8. PACKAGE DIMENSIONS

TABLE 9. ORDERING INFORMATION for use in life support devices or critical medical instruments. The aforementioned trademarks, HiPerClockS™ and FEMTOCLOCKS™ are a trademark of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries.