Cypress Nine-Output 3.3V Buffer CY2309NZ Manuel d'utilisateur télécharger pdf

CY2309NZ

Nine-Output 3.3V Buffer

Cypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600

Document #: 38-07182 Rev. *E Revised September 23, 2008

Features

■ One-input to nine-output buffer/driver

■ Supports two DIMMs or four SO-DIMMs with one additional

output for feedback to an external or chipset PLL

■ Low power consumption for mobile applications

❐ Less than 32 mA at 66.6 MHz with unloaded outputs

■ 1-ns Input-Output delay

■ Buffers all frequencies from DC to 133.33 MHz

■ Output-output skew less than 250 ps

■ Multiple V

and V

pins for noise and electromagnetic inter-

ference (EMI) reduction

■ Space-saving 16-pin 150-mil SOIC package

■ 3.3V operation

■ Industrial temperature available

Functional Description

The CY2309NZ is a low-cost buffer designed to distribute

high-speed clocks in mobile PC systems and desktop PC

systems with SDRAM support. The part has nine outputs, eight

of which can be used to drive two DIMMs or four SO-DIMMs, and

the remaining can be used for external feedback to a PLL. The

device operates at 3.3V and outputs can run up to 133.33 MHz.

The CY2309NZ is designed for low EMI and power optimization.

It has multiple V

and V

pins for noise optimization and

consumes less than 32 mA at 66.6 MHz, making it ideal for the

low-power requirements of mobile systems. It is available in an

ultra-compact 150-mil 16-pin SOIC package.

Logic Block Diagram

BUF_IN

OUTPUT2

OUTPUT3

OUTPUT4

OUTPUT5

OUTPUT6

OUTPUT7

OUTPUT8

OUTPUT9

OUTPUT1

[+] Feedback

1 2 3 4 5 6

Nine-Output 3.3V Buffer 1
CY2309NZ 2

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Page 1 - Nine-Output 3.3V Buffer

CY2309NZNine-Output 3.3V BufferCypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600Document #: 38-07182 Re

Page 2 - CY2309NZ

CY2309NZDocument #: 38-07182 Rev. *E Page 2 of 6PinoutsFigure 1. CY2309NZ - 16 SOIC-Top View Maximum RatingsSupply Voltage to Ground Potential...

Page 3

CY2309NZDocument #: 38-07182 Rev. *E Page 3 of 6 Switching Characteristics for Commercial and Industrial Temperature Devices[3]Parameter Name Descrip

Page 4

CY2309NZDocument #: 38-07182 Rev. *E Page 4 of 6Package DiagramFigure 6. 16-Pin (150-Mil) SOIC S16 Ordering InformationOrdering Code Package Type Op

Page 5

CY2309NZDocument #: 38-07182 Rev. *E Page 5 of 6Document History Page Document Title: CY2309NZ Nine-Output 3.3V BufferDocument Number: 38-07182REV. E

Page 6

Document #: 38-07182 Rev. *E Revised September 23, 2008 Page 6 of 6All products and company names mentioned in this document may be the trademarks of

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Cypress Nine-Output 3.3V Buffer CY2309NZ Manuel d'utilisateur

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