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DSC2030 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low-Jitter Configurable LVDS Oscillator - Micrel Semiconductor

भाग संख्या DSC2030
समारोह Low-Jitter Configurable LVDS Oscillator
मैन्युफैक्चरर्स Micrel Semiconductor 
लोगो Micrel Semiconductor लोगो 
पूर्व दर्शन
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<?=DSC2030?> डेटा पत्रक पीडीएफ

DSC2030 pdf
DSC2030
Low-Jitter Configurable LVDS Oscillator
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin Name
Enable
NC
NC
GND
FS0
FS1
NC
Output+
Output-
NC
NC
VDD2
VDD
NC
Pin Type
I
NA
NA
Power
I
I
NA
O
O
NA
NA
Power
Power
NA
Description
Enables outputs when high and disables when low
Leave unconnected or grounded
Leave unconnected or grounded
Ground
Least significant bit for frequency selection
Most significant bit for frequency selection
Leave unconnected or grounded
Positive LVDS Output
Negative LVDS Output
Leave unconnected or grounded
Leave unconnected or grounded
Power Supply
Power Supply
Leave unconnected or grounded
Operational Description
The DSC2030 is a LVDS oscillator consisting of
a MEMS resonator and a support PLL IC. The
LVDS output is generated through
independent 8-bit programmable dividers from
the output of the internal PLL.
different frequencies. Two control pins (FS0
FS1) select the output frequency. Discera
supports customer defined versions of the
DSC2030. Standard frequency options are
described in the following sections.
The actual frequency output by the DSC2030
is controlled by an internal pre-programmed
memory (OTP). This memory stores all
coefficients required by the PLL for up to four
Output Clock Frequencies
When Enable (pin 1) is floated or connected to
VDD, the DSC2030 is in operational mode.
Driving Enable to ground will tri-state output
driver (hi-impedance mode).
Table 1 lists the standard frequency configurations and the associated ordering information to be
used in conjunction with the ordering code. Customer defined combinations are available.
Table 1. Pre-programmed pin-selectable output frequency combinations
Ordering
Info
C0001
C0002
C0003
C0004
C0005
C000X
Freq
(MHz)
fOUT
fOUT
fOUT
fOUT
fOUT
fOUT
Freq Select Bits [FS1, FS0] Default is [11]
00 01 10 11
148.35165
74.17582
148.5
74.25
100 0* 0* 100
100
148.5
315
150
148.35
0*
156.25
0*
0*
312.5
0*
315
Contact factory for additional configurations.
Frequency select bit are weakly tied high so if left unconnected the default setting will be [11] and
the device will output the associated frequency highlighted in Bold.
0* denotes invalid selection, output frequency is not specified.
_____________________________________________________________________________________________________________________________ _________________
DSC2030
Page 2
MK-Q-B-P-D-12042606-2

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डाउनलोड[ DSC2030 Datasheet.PDF ]


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