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RC001 Datasheet(PDF) 1 Page - Nel Frequency Controls,inc

Part No. RC001
Description  Redundant Clock Module Positive ECL Compatible Differential Output
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Maker  NEL [Nel Frequency Controls,inc]
Homepage  http://www.nelfc.com
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RC001 Datasheet(HTML) 1 Page - Nel Frequency Controls,inc

   
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A1
RC001
• Clock Redundancy
• Zero Downtime
• HALT/HASS Verified
• Up to 250.000 MHz
Features
• HALT/HASS verified
• Frequency range: 20.000MHz to
250.000MHz
• User specified tolerance from ±100ppm
• Cover at electrical ground
• Will withstand SMD reflow temperatures
of 253°C for 4 minutes maximum
• MECL compatible outputs
• High shock resistance, to 1000g
• Leaded package
• Ten low skew DPECL outputs
RC001 Redundant Clock Module
Positive ECL Compatible Differential Output
U.S. Patent 6,970,045 0314C Rev F
For the most up to date
specifications on each NEL
product, log on to our
website—www.nelfc.com
Electrical Connection
Pin
Connection
Pin
Connection
Pin
Connection
1
Q6
17
Vcc
33
/Q0
2
/Q6
18
Vcc
34
GND
3
Vcc
19
GND
35
Q1
4
Q7
20
GND
36
/Q1
5
/Q7
21
Vcc
37
Q2
6
GND
22
Vcc
38
/Q2
7
Q8
23
GND
39
Vcc
8
/Q8
24
GND
40
Q3
9
Vcc
25
/Osc 0 status
41
/Q3
10
Q9
26
Osc 0 status
42
Vcc
11
/Q9
27
/Osc 1 status
43
GND
12
GND
28
Osc 1 status
44
Q4
13
EN1
29
Osc select
45
/Q4
14
EN0
30
/Reset
46
GND
15
GND
31
Vcc
47
GND Q5
16
GND
32
Q0
48
GND /Q5
Note: Osc X status is logic low for pass and logic high for fail
Drawing Specifications
Description
The Redundant Clock Module is intended to supply highly reliable fixed clock reference.
This clock output is based on two clock references internal that are monitored and eliminated
from use if they are not operating within tolerance. A slow transition between oscillator references
during switching is controlled to assure no significant phase shift or runt pulses will affect the
end user application. Osc. 0 Enable or Osc. 1 Enable is used to disable respective oscillator to
verify switching functionality. The oscillator status outputs indicate if the respective oscillator is
functioning properly or not.


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