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MSTM-S3-T2NC Datasheet(PDF) 6 Page - Connor-Winfield Corporation |
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MSTM-S3-T2NC Datasheet(HTML) 6 Page - Connor-Winfield Corporation |
6 / 7 page ![]() Specifications are subject to change without notice DATA SHEET #: TM020 REVISION #: P00 FILENAME: TM020.DOC DATE: 7/18/00 Page 6 of 7 Copyright 1999,2000 Connor-Winfield all rights reserved THE CONNOR-WINFIELD CORP. Stratum 3 Simplified Control Timing Modules (MSTM-S3-T2NC) Table 5.0 PIN DESCRIPTIONS MSTM- S3 PIN # PIN NAME PIN DESCRIPTION 1 HOLDOVER Output. High when the control inputs select Holdover. 2 REF 1 Output. High when the control inputs select EX REF 1. 3 REF 2 Output. High when the control inputs select EX REF 2. 4 FREERUN Output. High when the control input selects Free Run. 5 Gnd Ground 6 ALARM OUT Output. =1, if (FREERUN + HOLDOVER + LOS + LOL + PLL TVL). 7 CNTL A Mode control input. 8 CNTL B Mode control input. 9 PLL TVL Tuning Voltage Alarm. =1 if CAPTURE RANGE NEAR 10% OF EXTREME. 10 Gnd Ground 11 SYNC_OUT Synchronized output. 12 Gnd Ground 13 CLK_OUT N/C 14 Gnd Ground 15 EX REF 2 External Reference #2 Input. (8KHz) 16 Gnd Ground 17 EX REF 1 Input. External Reference #1 Input. (8KHz) 18 +5 Vdc +5 Volt DC Supply NOTES FOR TABLES 1-5 NOTES: 2.0 Holdover stability is the cumulative fractional frequency offset containing Initial Offset, Temperature, and Drift components as described by Bellcore GR-1244-CORE 5.2 3.0 Pull-in range is the minimum frequency deviation on the reference inputs to the timing module that can be overcome to pull itself into synchronization with the reference. 4.0 After 100 seconds at stable room temperature. 5.0 Consult factory for other frequencies. 6.0 REF-GR1244-CORE 3.2.1 R3-1. 7.0 At ‘1’ level indicates unit is within the extreme 10% of its operating range tracking the reference. |