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DSC2133 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - SPI Programmable Dual LVDS Oscillator - Discera

भाग संख्या DSC2133
समारोह SPI Programmable Dual LVDS Oscillator
मैन्युफैक्चरर्स Discera 
लोगो Discera लोगो 
पूर्व दर्शन
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<?=DSC2133?> डेटा पत्रक पीडीएफ

DSC2133 pdf
DSC2133 DSC2233 Low-Jitter I2C/SPI Programmable Dual 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
SCLK
GND
SDA
MOSI
SCL
MISO
CS_bar
SS
Output1+
Output1-
Output 2-
Output 2+
VDD2
VDD
FS
Pin Type
I
NA
NA
I
Power
I
I
O
I
I
O
O
O
O
Power
Power
I
Description
Enables outputs when high and disables when low
Leave unconnected or grounded
DSC2133: Leave unconnected or grounded
DSC2233: Serial clock from master
Ground
DSC2133: I2C Serial Data
DSC2233: SPI Serial Data from Master to Slave
DSC2133: I2C Serial Clock
DSC2233: SPI Serial Data from Slave to Master
DSC2133: I2C Chip Select (Active Low)
DSC2233: SPI Slave Select (Active Low)
Positive LVDS Output 1
Negative LVDS Output 1
Negative LVDS Output 2
Positive LVDS Output 2
Power Supply for LVDS Output 2
Power Supply
Default output clock frequency bit
Operational Description
The DSC2133/2233 is a dual LVDS oscillator
consisting of a MEMS resonator and a support
PLL IC. The outputs are generated through
independent 8-bit programmable dividers from
the output of the internal PLL.
DSC2133/2233 allows for easy programming
of the output frequencies using I2C/SPI
interface. Upon power-up, the initial output
frequencies are controlled by an internal pre-
programmed memory (OTP). This memory
stores all coefficients required by the PLL for
two different default frequency pairs. The
control pin (FS) selects the initial pair. Once
the device is powered up, a new output
frequency pair can be programmed.
Programming details are provided in the
Programming Guide. Standard default
frequency pairs are described in the following
sections. Discera supports customer defined
versions of the DSC2133/2233.
When Enable (pin 1) is floated or connected to
VDD, the DSC2133/2233 is in operational
mode. Driving Enable to ground will tri-state
both output drivers (hi-impedance mode).
_____________________________________________________________________________________________________________________________ _________________
DSC2133 DSC2233
Page 2
MK-Q-B-P-D-12050109

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डाउनलोड[ DSC2133 Datasheet.PDF ]


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