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Cypress Semiconductor Electronic Components Datasheet

CY2303 Datasheet

Phase-Aligned Clock Multiplier

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CY2303 pdf
CY2303
Phase-Aligned Clock Multiplier
Phase-Aligned Clock Multiplier
Features
3-Multiplier configuration (1x, 2x, 4x ref)
10 MHz to 166.67 MHz operating range (reference input from
10 MHz to 41.67 MHz)
Phase alignment
80 ps typical period jitter
Output enable pin
3.3 V operation
5 V tolerant input
8-pin 150-mil small-outline integrated circuit (SOIC) package
Commercial temperature range
Functional Description
The CY2303 is a 3 output 3.3 V phase-aligned system clock
designed to distribute high-speed clocks in PC, workstation,
datacom, telecom, and other high-performance applications.
The part allows user to obtain 1x, 2x, and 4x REFIN output
frequencies on respective output pins.
The CY2303 has an on-chip PLL, which locks to an input clock
presented on the REFIN pin. The PLL feedback is internally
connected to the REF output. The input-to-output is guaranteed
to be less than 200 ps, and output-to-output skew is guaranteed
to be less than 200 ps.
Multiple CY2303 devices can accept the same input clock and
distribute it in a system. In this case, the skew between the
outputs of two devices is guaranteed to be less than 400 ps.
For a complete list of related documentation, click here.
Logic Block Diagram
FBK
REFIN
x1 REF
PLL
x2 REFx2
x4 REFx4
OE
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 38-07249 Rev. *J
• San Jose, CA 95134-1709 • 408-943-2600
Revised November 9, 2016



Cypress Semiconductor Electronic Components Datasheet

CY2303 Datasheet

Phase-Aligned Clock Multiplier

No Preview Available !

CY2303 pdf
CY2303
Contents
Pin Configurations ........................................................... 3
Pin Description ................................................................. 3
Maximum Ratings ............................................................. 4
Operating Conditions ....................................................... 4
Electrical Characteristics ................................................. 4
Thermal Resistance .......................................................... 4
Switching Characteristics ................................................ 5
Switching Waveforms ...................................................... 6
Test Circuits ...................................................................... 7
Ordering Information ........................................................ 8
Ordering Code Definitions ........................................... 8
Package Diagram .............................................................. 9
Acronyms ........................................................................ 10
Document Conventions ................................................. 10
Units of Measure ....................................................... 10
Reference Documents .................................................... 10
Errata ............................................................................... 11
Part Numbers Affected .............................................. 11
CY2303 Errata Summary .......................................... 11
CY2303 Qualification Status of fixed silicon .............. 11
Document History Page ................................................. 13
Sales, Solutions, and Legal Information ...................... 14
Worldwide Sales and Design Support ....................... 14
Products .................................................................... 14
PSoC®Solutions ....................................................... 14
Cypress Developer Community ................................. 14
Technical Support ..................................................... 14
Document Number: 38-07249 Rev. *J
Page 2 of 14



Cypress Semiconductor Electronic Components Datasheet

CY2303 Datasheet

Phase-Aligned Clock Multiplier

No Preview Available !

CY2303 pdf
Pin Configurations
Figure 1. 8-pin SOIC pinout
REF
GND
REFIN
N/C
1
2
3
4
8 OE
7 VDD
6 REFx4
5 REFx2
Pin Description
Pin Signal [1]
1 REF
2 GND
3 REFIN
4 N/C
5 REFx2
6 REFx4
7 VDD
8 OE
REF output (1x reference input)
Ground
Input reference frequency, 5 V tolerant input
No connect
2x reference input
4x reference input
3.3 V supply
Output enable (weak pull-up)
Description
CY2303
Note
1. Weak pull-down on all outputs.
Document Number: 38-07249 Rev. *J
Page 3 of 14




Part Number CY2303
Description Phase-Aligned Clock Multiplier
Maker Cypress Semiconductor
Total Page 14 Pages
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