MSTM-S3-INT [CONNOR-WINFIELD]
Stratum 3 Simplified Control Timing Modules;
| 型号： | MSTM-S3-INT |
| 厂家： | 
CONNOR-WINFIELD CORPORATION |
| 描述： | Stratum 3 Simplified Control Timing Modules |
| 文件： | 总6页 (文件大小：249K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
DESCRIPTION
MSTM-S3 PIN ASSIGNMENT
The Connor-Winfield Stratum 3 Simplified Control
Timing Module acts as a complete system clock module for general
Stratum 3 timing applicationsꢀ The MSTM is designed for
external control functionsꢀ Full external control input allows for
selection and monitoring of any of four possible operating states:
1) Holdover, 2) External Reference #1, 3) External Reference
#2, and 4) Free Runꢀ The table below illustrates the control signal
inputs and corresponding operational states:
HOLDOVER
REF 1
+5Vdc
EX REF 1
REF 2
FRERUN
GND
GND
EX REF 2
GND
ALARM OUT
CNTL A
CLK_OUT
GND
CNTL B
SYNC_OUT
GND
PLL TVL
In the absence of External Control Inputs (A,B), the
MSTM enters the Free Run mode and signals an External Alarmꢀ
The MSTM will enter other operating modes upon application of
a proper control signalꢀ Mode 1 operation (A=1, B=0) results in
an output signal that is phase locked to the External Reference
Input #1ꢀ Mode 2 operation (A=0, B=1) results in an output signal
that is phase locked to External Reference Input #2ꢀ Holdover
mode operation (A=1, B=1) results in an output signal at or near
the frequency as determined by the latest (last) locked-signal input
values and the holdover performance of the MSTMꢀ
BOTTOM VIEW
BLOCK DIAGRAM
0
1
2
FRERUN
CNTL
CNTL
A
B
REF
REF
1
2
PLL TVL
Alarm signals are generated at the Alarm Output during
Holdover and Free Run operationꢀ Alarm Signals are also
generated by loss-of-lock, loss of Reference, and by a Tune-Limit
indication from the PLLꢀ A Tune-Limit alarm signal indicates
that the VCXO tuning voltage is approaching within 10% the limits
of its lock capability and that the External Reference Input may
be erroneousꢀ A high level indicates an alarm conditionꢀ Real-
time indication of the operational mode is available at unique
operating mode outputs on pins 1-4ꢀ
FREE RUN
2:4
3
HOLDOVER
HOLDOVER
ALARM
OUT
LOCK AND
PHASE
DETECTION
EX REF
EX REF
1
2
2:1
MUX
COMPARATOR
2:1
MUX
SYNC_OUT
DAC
DAC
FIFO
STRATUM3
VCXO
FILTERS
TUNING
VOLTAGE
MONITOR
STRATUM3
TCXO
CLK_OUT
PLL TVL
Control loop filters effectively attenuate any reference
jitter and smooth out phase transientsꢀ
MSTM-S3
CONTROL
INPUT
ALARM
OUTPUT
OPERATIONAL MODE
REF 1
REF 2
HLDOVER
FRERUN
PLL_TVL*
A
B
0
0
Free Run (Default)
0
0
0
1
0
1
External
Reference
#1
Normal
Tune Limit
LOS + LOL
1
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
External
Reference
#2
Normal
Tune Limit
LOS + LOL
0
0
0
1
1
1
0
0
0
0
0
0
0
1
0
0
1
1
0
1
1
1
Holdover
0
0
1
0
0
1
INT
DATA SHEET #: _T_M__0_1_1______ PAGE___1___ OF ___6____ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
Specifications subject to change without noticeꢀ
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
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ꢉꢂ
ꢆꢂꢂ
ꢀꢁꢂꢂ
Uvrꢀꢁꢂ
1. 0E - 6
100.0E- 9
10. 0E - 9
Typical res pons e - 3000 second tes t - J itter applied (2 UI @ 10 Hz)
ref date AP R 22 1998
kdh
1. 0E - 9
10 0.0 E - 12
10.0E-3
100.0E-3
1.0E+0
10.0E+0
100.0E+0
1.0E+3
Copyright 1999 Connor-Winfield alll rights reserved
INT
DATA SHEET #: _T_M__0_1_1______ PAGE___2___ OF _6______ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
Specifications subject to change without noticeꢀ
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
6DPSOHꢀ07,(ꢀ'DWDꢀIRUꢀ670ꢁ6ꢂꢃ0670ꢁ6ꢂ
1. 0 E - 6
100.0E-9
10 . 0 E - 9
1. 0 E - 9
Typical respons e - 3000 s econd tes t - Jitter appl i ed (2 UI @ 10 Hz)
ref date APR 22 1998
kdh
100.0E-3
1.0E+0
10.0E+0
100.0E+0
1.0E+3
10.0E+3
2EVHUYDWLRQꢀ7LPHꢀꢄVꢅ
Copyr ight 1999 Connor-Winfield all rights reserved
INT
Specifications subject to change without noticeꢀ
DATA SHEET #: _T_M__0_1_1______ PAGE___3___ OF ___6____ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
TABLES OF CONTENTS
TABLE 1ꢀ0
ABSOLUTE MAXIMUM RATING
SYMBOL
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTES
Vcc
Power supply voltage (Vcc to GND)
Input voltage with respect to ground
Storage temperature
-0,5
-0,5
+7,0
Volts
Volts
1,0
1,0
1,0
VIN
Vcc+0,5
+150,0
TSTG
-65,0
deg, C
NOTE 1ꢀ0:
Operation of the device at these or any other conditions beyond those listed under Rocommended Operating
Conditions is not impliedꢀ Exposure to Absolute Maximum Ratings conditions for extended periods of time may affect device reliabilityꢀ
TABLE 2ꢀ0
INPUT AND OUTPUT CHARACTERISTICS
SYMBOL
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTES
VIH
VIL
TIN
CIN
High level input voltage (TTL Compatible)
Low level input voltage (TTL Compatible)
Input signal transition time
2,0
0
Vcc
0,8
250
15
V
V
nS
pF
Input capacitance
High level output voltage @ IOH= -8,0 mAꢀ
Vcc minimum
VOH
VOL
THL
3,86
V
Low level output voltage @ IOL= 8,0 mAꢀ
Vcc maximum
0,4
V
Clock out transition time high-to-lowꢀ no
load
4,0
4,0
nS
nS
nS
Clock out transition time low-to-highꢀ no
load
TLH
TRIP
Input 6,48 MHz reference signal positive
pulse width
30
Input 6,48 MHz reference signal negative
pulse width
TRIN
30
0
nS
TOP1
Standard Operating Temperature
70
deg, C
8,0
TABLE 3ꢀ0
SPECIFICATIONS
PARAMETER
NOTES
Frequency Range
Supply Current
19,44 MHz
110 mA Typical
6,48 MHz
5,0
9,0
6,0
Timing Reference Inputs
Jitter and Phase Tolerance
Wander Generation
Free-Run Accuracy
Holdover Stability
Initial Offset
Ref-GR-1244-CORE 4,2-4,4
Ref-GR-1244-CORE 5,3
±4,6 ppm
±0,37 ppm
2,0
0,05 ppm
Temperature
0,28 ppm
Drift
0,04 ppm
Holdover History
Pull-in / Hold-in Range
Lock Time
30 seconds
±4,6 ppm Minimum
3,0
7,0
< 100 secs
125 uS
Correction Period
TVL Alarm
1= WARNING: Reference nearing operational limit
INT
Specifications subject to change without noticeꢀ
DATA SHEET #: _T_M__0_1_1______ PAGE____4__ OF __6_____ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
PIN DESCRIPTION
MSTM-S3
PIN #
1
HOLDOVER
REF _1
-Outputꢀ High when the control inputs select Holdoverꢀ
2
-Ouputꢀ High when the control inputs select EX REF_1ꢀ
3
REF_2
-Outputꢀ High when the control inputs select EX REF_2ꢀ
4
FRERUN
Gnd
-Outputꢀ High when the control input selects Free Runꢀ
5
-Groundꢀ
6
ALARM_OUT
CNTL_A
CNTL_B
PLL_TVL
Gnd
-Ouputꢀ =1,If (FRERUN + HOLDOVER + LOS + LOL + PLL_TVL) ꢀ
7
-Mode control inputꢀ
8
-Mode control inputꢀ
9
-Tuning VoltageAlarmꢀ =1 If CAPTURE RANGE NEAR 10% OF EXTREME ꢀ
10
11
12
13
14
15
16
17
18
-Groundꢀ
SYNC_OUT
Gnd
-Syncronized outputꢀ
-Groundꢀ
CLK_OUT
Gnd
-Stratum 3 TCXO outputꢀ (Non-synchronized)ꢀ
-Groundꢀ
EX_REF_2
Gnd
-External Reference #2 Inputꢀ (6ꢀ48 MHz)
-Groundꢀ
EX_REF_1
+5 Vdc
-Inputꢀ External Reference #1 Inputꢀ (6ꢀ48MHz)
+5 Volt DC supplyꢀ
NOTES FOR TABLES 1-3
NOTES:
2ꢀ0
Holdover stability is the cumulative fractional frequency offset containing Initial Offset, Temperature, and Drift components as described by
Bellcore GR-1244-CORE 5ꢀ2ꢀ
3ꢀ0
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 referenceꢀ
4ꢀ0
5ꢀ0
6ꢀ0
7ꢀ0
After 100 seconds at stable room temperatureꢀ
Consult factory for other output frequenciesꢀ
Ref- GR1244-CORE 3ꢀ2ꢀ1 R3-1ꢀ
A 1 level indicates unit is within the extreme 10% of its operating range tracking the reference (~11ppm)ꢀ Consult factory for use as a reference
quilifierꢀ
8ꢀ0
Requires an OCXOꢀ
9ꢀ0
Consult factory for power dissipation of extended temperature range devices (>0-50 deg Cꢀ)ꢀ 60 mA typical (0-50 deg Cꢀ)ꢀ
Specifications subject to change without noticeꢀ
INT
DATA SHEET #: _T_M__0_1_1______ PAGE____5__ OF __6_____ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
NETWORK ELEMENT TIMING GENERATOR
C O N N O R THE CONNOR-WINFIELD CORPꢀ
2111 COMPREHENSIVE DRIVEꢀ
AURORA, IL 60505ꢀ
FAX (630) 851-5040ꢀ
PHONE (630) 851-4722
HTTP://WWWꢀCONWINꢀCOM
W I N F I E L D
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3-INT)
APPLICATIONS CIRCUIT DIAGRAM
BLOCK DIAGRAM
MSTM-S3
PACKAGE
0ꢀ030
(0ꢀ762mm)
5 VOLT DC
POWER
SUPPLY
0ꢀ078
(1ꢀ98mm)
SYSTEM
CONTROL
AND DATA
INPUTS
0ꢀ180
(4ꢀ572mm)
0ꢀ150
+5Vdc
EXREF1
GND
HOLDLAST
REF 1
0ꢀ040
(1ꢀ02mm)
NETWORK
TIMING
REFERENCE
INPUT
(3ꢀ81mm)
REF 2
A-A
DETAIL A-A
EXREF2
GND
FRERUN
GND
eg" BITS CLOCK,etc"
2ꢀ000
(50ꢀ08mm)
TYP (4)
0ꢀ200
FREE RUN
CLOCK COPY
ALARM OUT
CLK_OUT
GND
(5ꢀ08mm)
0ꢀ200 TYP
(5ꢀ08mm)
1ꢀ600
(40ꢀ64mm)
0ꢀ555
CNTL A
CNTL B
PLL TVL
(14ꢀ1mm)
SYNC_OUT
GND
SYSTEM
CLOCK
LOSSOF
REFERENCE
MONITOR
SECTION
PIN 1
2ꢀ000
(50ꢀ08mm)
TYP
0ꢀ200
(5ꢀ08mm)
(16)
MECHANICAL CHARACTERISTICS
MECHANICAL SHOCK 883D 2002 CONDITION B
BOTTOM
SIDE VIEW
1500 Gs 0ꢀ5 msꢀ
VIBRATION 883D-2007 C0NDITION A
0ꢀ06 DA or 20 g Peak Acceleration 20 to 2000 Hzꢀ
ENVIRONMENTAL CHARACTERISTICS
TEMPERATURE CYCLE 883D METHOD 1010ꢀ7 CONDITION B
10 Cycles -55 to +125 Degrees Cꢀ
HTOB - HIGH TEMPERATURE OPERATING BIAS
1000 Hours +125 Degrees Cꢀ
FACTORY RELIABILITY AUDIT
TEMPERATURECYCLE
500 Cycles -55 to +125 Degrees Cꢀ
HTOB - HIGH TEMPERATURE OPERATING BIAS
1000 Hours +125 Degrees Cꢀ
PARTS TO BE QUALIFIED TO BELLCORE TR-NWT-00357
TEMPERATURECYCLE
-40 to +85 Degrees Cꢀ
72 HOUR BURN-IN
+25 Degrees Cꢀ
INT
Specifications subject to change without noticeꢀ
DATA SHEET #: _T_M__0_1_1______ PAGE___6___ OF __6_____ REV:__0_0_____ DATE:___1_0_/_4_9_9____ © Copyright 1999 Connor-Winfield all rights reservedꢀ
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