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DSC2132 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low-Jitter I2C/SPI Programmable LVDS-LVPECL Oscillator - Micrel

भाग संख्या DSC2132
समारोह Low-Jitter I2C/SPI Programmable LVDS-LVPECL Oscillator
मैन्युफैक्चरर्स Micrel 
लोगो Micrel लोगो 
पूर्व दर्शन
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<?=DSC2132?> डेटा पत्रक पीडीएफ

DSC2132 pdf
DSC2132 DSC2232 Low-Jitter I2C/SPI Programmable LVDS-LVPECLOscillator
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
DSC2132: Leave unconnected or grounded
DSC2232: Serial clock from master
Ground
DSC2132: I2C Serial Data
DSC2232: SPI Serial Data from Master to Slave
DSC2132: I2C Serial Clock
DSC2232: SPI Serial Data from Slave to Master
DSC2132: I2C Chip Select (Active Low)
DSC2232: SPI Slave Select (Active Low)
Positive LVDS Output 1
Negative LVDSOutput 1
Negative LVPECL Output 2
Positive LVPECL Output 2
Power Supply for LVDS Output
Power Supply
Default output clock frequency bit
Operational Description
The DSC2132/2232 is a dual oscillator with an
LVPECL output and an LVDS output. The
device consists 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.
DSC2132/2232 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 DSC2132/22332.
When Enable (pin 1) is floated or connected to
VDD, the DSC2132/2232 is in operational
mode. Driving Enable to ground will tri-state
both output drivers (hi-impedance mode).
_____________________________________________________________________________________________________________________________ _________________
DSC2132 DSC2232
Page 2
MK-Q-B-P-D-12050108

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डाउनलोड[ DSC2132 Datasheet.PDF ]


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