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SCG2560 Datasheet(PDF) 3 Page - Connor-Winfield Corporation |
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SCG2560 Datasheet(HTML) 3 Page - Connor-Winfield Corporation |
3 / 12 page Preliminary Data Sheet #: SG072 Page 3 of 12 Rev: P01 Date: 04/14/03 © Copyright 2003 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice NOTES: 1.0 Requires external regulation 2.0 Externally selectable via Input Select AB 3.0 Static offset will accumulate with each reference switch for the Reference Output only. 4.0 Entry into Free Run doesn’t meet requirement for initial 2.33 seconds of self-timing 5.0 If the selected reference is lost, this mask will be broken. 6.0 Phase Drift from 0° to 70°C. 7.0 Frequency will drift to lower limit rail if not switched. 8.0 Loss of both references will automatically force Free Run. Change the Force Free Run (pin 5) to 1 upon detection of this condition. Output Jitter Specifications Table 4 Jitter BW 10 Hz - 20 MHz SONET Jitter BW 12 kHz - 20 MHz Frequency (MHz) pS (RMS) m UI pS (RMS) m UI 125 10 Typ. 1.250 Typ. 1 Max. 0.125 Max. Input and Output Characteristics Table 3 Symbol Parameter Minimum Nominal Maximum Units Notes V IH High level input voltage 2.0 - 5.5 V V IL Low level input voltage 0 - 0.8 V T IO I/O to output valid - - 10 nS C OUT Output capacitance - - 10 pF V HO High level output voltage loh = -4mA 2.40 - - - Vcc Min V IO Low Level output voltage lo1 = 8mA - - 0.4 - Vcc Max T IR Input reference signal pulse width 10 - - nS Operational Table Table 5 INPUTS OUTPUTS Select A/B Ref A Ref B Force Free Run Oscillator Output Ref Out LOL LOR A LOR B X A A 1 FR FR 0 1 1 XNA A 1 FR FR 0 0 1 XA NA 1 FR FR 0 1 0 X NA NA 0 ** FR FR 0 0 0 0 A A 0 RA RA 1 1 1 0A NA 0 RA RA 1 1 0 0NA A 0 U U 0 0 1 1 A A 0 RB RB 1 1 1 1NA A 0 RB RB 1 0 1 1A NA 0 U U 0 1 0 Notes: A = Active NA = Not Active FR = Free Run RA = Locked to Reference A RB = Locked to Reference B U = Unstable (See note 7) X = Don't Care ** See Note 8.0 |
Similar Part No. - SCG2560 |
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Similar Description - SCG2560 |
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