MT9041BP Mitel, MT9041BP Datasheet
MT9041BP
Available stocks
Related parts for MT9041BP
MT9041BP Summary of contents
Page 1
... Phase REF Detector Mode Select MS T1/E1 System Synchronizer DS5059 MT9041BP Description The MT9041B T1/E1 System Synchronizer contains a digital phase-locked loop (DPLL), which provides timing and synchronization signals for multitrunk T1 and E1 primary rate transmission links. The MT9041B generates ST-BUS clock and framing signals that are phase locked to either a 2 ...
Page 2
MT9041B Pin Description Pin # Name 1 V Ground. 0 Volts IC0 Internal Connect. Connect to Vss Connect. Connect to Vss 4 REF Reference (TTL Input). PLL reference clock Positive Supply Voltage. +5V ...
Page 3
Advance Information Pin Description (continued) Pin # Name 19 IC0 Internal Connect. Connect to Vss 20 IC1 Internal Connect. Leave open Circuit 21 IC0 Internal Connect. Connect to Vss 22 IC0 Internal Connect. Connect to Vss 23 MS Mode/Control Select ...
Page 4
MT9041B REF Reference Phase Detector Feedback Signal from Frequency Select MUX is well within the maximum phase slope of 7.6ns per 125us or 81ns per 1.326ms specified by Bellcore GR-1244-CORE Stratum 4E. Loop Filter - the Loop Filter is similar ...
Page 5
Advance Information All frame pulse and clock outputs have limited driving capability, and should be buffered when driving high capacitance (e.g. 30pF) loads. Master Clock The MT9041B can use either a clock or crystal as the master timing source. For ...
Page 6
MT9041B For the MT9041B, two internal elements determine the jitter attenuation. This includes the internal 1.9Hz low pass loop filter and the phase slope limiter. The phase slope limiter limits the output phase slope to 5ns/125us. Therefore, if the input ...
Page 7
Advance Information many frames. The rate of change of the phase shift is limited to a maximum phase slope of approximately 5ns/125us. This meets the Bellcore GR-1244-CORE maximum phase slope requirement of 7.6ns/125us (81ns/1.326ms). Phase Lock Time This is the ...
Page 8
MT9041B For applications requiring 32ppm clock accuracy, the following clock oscillator module may be used. CTS CXO-65-HG-5-C-20.0MHz Frequency: 20MHz Tolerance: 25ppm 0C to 70C Rise & Fall Time: 8ns (0.5V 4.5V 50pF) Duty Cycle: 45% to 55% The output clock ...
Page 9
Advance Information MT9074 TTIP F0i C4b TRING E1.5o RTIP RRING To Controller LOS Interrupt MT9074 TTIP F0i C4b TRING E1.5o RTIP RRING LOS Figure 9 - Multiple E1 Reference Sources with MT9041B Multiple E1 Reference Sources with MT9041B In this ...
Page 10
MT9041B Absolute Maximum Ratings* Parameter 1 Supply voltage 2 Voltage on any pin 3 Current on any pin 4 Storage temperature 5 PLCC package power dissipation * Exceeding these values may cause permanent damage. Functional operation under these conditions is ...
Page 11
Advance Information AC Electrical Characteristics - Performance Characteristics 1 Freerun Mode accuracy with OSCi at: 0ppm Capture range with OSCi at Phase lock time 8 Output phase continuity with: 9 mode switch to Normal ...
Page 12
MT9041B AC Electrical Characteristics - Input/Output Timing Characteristics 1 Reference input pulse width high or low 2 Reference input rise or fall time 3 8kHz reference input to F8o delay 4 1.544MHz reference input to F8o delay 5 2.048MHz reference ...
Page 13
Advance Information REF 8kHz REF 1.544MHz REF 2.048MHz F8o NOTES: 1. Input to output delay values are valid after a TRST or RST with no further state changes Figure 11 - Input to Output Timing (Normal Mode) F8o F0o F16o ...
Page 14
MT9041B F8o MS Figure 13 - Input Controls Setup and Hold Timing AC Electrical Characteristics - Intrinsic Jitter Unfiltered Characteristics 1 Intrinsic jitter at F8o (8kHz) 2 Intrinsic jitter at F0o (8kHz) 3 Intrinsic jitter at F16o (8kHz) 4 Intrinsic ...
Page 15
Advance Information AC Electrical Characteristics - 8kHz Input to 8kHz Output Jitter Transfer Characteristics 1 Jitter attenuation for 1Hz@0.01UIpp input 2 Jitter attenuation for 1Hz@0.54UIpp input 3 Jitter attenuation for 10Hz@0.10UIpp input 4 Jitter attenuation for 60Hz@0.10UIpp input 5 Jitter ...
Page 16
MT9041B AC Electrical Characteristics - 2.048MHz Input to 2.048MHz Output Jitter Transfer Characteristics 1 Jitter at output for 1Hz@3.00UIpp input 2 with 40Hz to 100kHz filter 3 Jitter at output for 3Hz@2.33UIpp input 4 with 40Hz to 100kHz filter 5 ...
Page 17
Advance Information AC Electrical Characteristics - 1.544MHz Input Jitter Tolerance Characteristics 1 Jitter tolerance for 1Hz input 2 Jitter tolerance for 5Hz input 3 Jitter tolerance for 20Hz input 4 Jitter tolerance for 300Hz input 5 Jitter tolerance for 400Hz ...
Page 18
MT9041B † Notes: Voltages are with respect to ground (V ) unless otherwise stated. SS Supply voltage and operating temperature are as per Recommended Operating Conditions. Timing parameters are as per AC Electrical Characteristics - Timing Parameter Measurement Voltage Levels ...
Page 19
... Mitel. This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specifi ...