W181-02G Cypress Semiconductor Corp, W181-02G Datasheet
W181-02G
Specifications of W181-02G
Available stocks
Related parts for W181-02G
W181-02G Summary of contents
Page 1
... Pin Configurations CLKIN Spread Spectrum Output (EMI suppressed) CLKIN CLKIN Spread Spectrum Output (EMI suppressed) • 3901 North First Street • San Jose W181 SOIC FS2 1 8 FS1 2 7 GND 3 6 VDD SS% CLKOUT 4 5 SSON ...
Page 2
... Ground Connection: Connect all ground pins to the common system ground plane Connection 14 Overview = 3.3V ± 5% The W181 products are one series of devices in the Cypress ± 10% PREMIS family. The PREMIS family incorporates the latest DD advances in PLL spread spectrum frequency synthesizer ≤ 75 MHz in techniques ...
Page 3
... Bush, Fessler, and Hardin produces the maximum reduction in the amplitude of radiated electromagnetic emissions. Figure 3 details the Cypress spreading pattern. Cypress does offer options with more spread and greater EMI reduction. Contact your local Sales representative for details on these devices. W181 CLKOUT Post (EMI suppressed) VCO Dividers ...
Page 4
... Frequency Span (MHz) Center spread Figure 2. Clock Harmonic with and without SSCG Modulation Frequency Domain Representation MAX. MIN. Document #: 38-07152 Rev. *D Typical Clock Spread Spectrum Enabled Figure 3. Typical Modulation Profile W181 EMI Reduction Non- Spread Spectrum Frequency Span (MHz) Down Spread Page ...
Page 5
... ±10 Test Condition First locked clock cycle after Power Good Note 3 Note 3 @ 0.4V 2.4V All pins except CLKIN CLKIN pin only W181 Rating Unit –0.5 to +7.0 V –65 to +150 ° +70 °C –55 to +125 °C 0.5 W Min. Typ. Max. Unit – ...
Page 6
... DD 15-pF load MHz, third harmonic out measured, reference board, 15-pF load [4, 0°C to +70° 3.3V ±5% or 5V±10% (For only W181-02, -02 and -03 products Frequency Range (MHz) ≤38 FS2=0, FS1=0, 28≤F IN ≤48 FS2=0, FS1=1, 38≤F IN ≤60 FS2=1, FS1=0, 46≤F IN ≤ ...
Page 7
... Plastic SOIC (150-mil) W181-01GT 8-pin Plastic SOIC (150-mil) – Tape and Reel W181-02G 8 pin Plastic SOIC (150-mil) W181-02GT 8-pin Plastic SOIC (150-mil) – Tape and Reel W181-03G 8 pin Plastic SOIC (150-mil W181-03GT 8-pin Plastic SOIC (150-mil) – Tape and Reel ...
Page 8
... REFERENCE JEDEC MS-012 0.230[5.842] 4. PACKAGE WEIGHT 0.07gms 0.244[6.197] S08.15 STANDARD PKG. SZ08.15 LEAD FREE PKG. SEATING PLANE 0.061[1.549] 0.068[1.727] 0.004[0.102] 0.004[0.102] 0°~8° 0.0098[0.249] W181 0.50[0.020] 0.09[[0.003] 0.70[0.027] 0.20[0.008] 51-85117-*A MAX. PART # 0.010[0.254] X 45° 0.016[0.406] 0.0075[0.190] 0.016[0.406] 0.0098[0.249] ...
Page 9
... Document History Page Document Title: W181 Peak Reducing EMI Solution Document Number: 38-07152 Orig. of REV. ECN No. Issue Date Change ** 110262 12/15/01 SZV *A 122687 12/27/02 RBI *B 127906 07/07/03 IJA *C 131492 01/22/04 RGL *D 241879 See ECN RGL Document #: 38-07152 Rev. *D Description of Change Change from Spec number: 38-00790 to 38-07152 Added power up requirements to maximum ratings information ...