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HY5DU28422T - 2nd 128M DDR SDRAM

Description

and is subject to change without notice.

1.

128M DDR SDRAM Brief Information --------------------------------------------------------------------- 3 1.1 Description 1.2 Feature 1.3 Ordering Information 2.

Features

  • VDD, VDDQ = 2.5V +/- 0.2V All inputs and outputs are compatible with SSTL_2 interface Fully differential clock inputs (CK, /CK) operation Double data rate interface Source synchronous - data transaction aligned to bidirectional data strobe (DQS) x16 device has two bytewide data strobes (UDQS, LDQS) per each x8 I/O Data outputs on DQS edges when read (edged DQ) Data inputs on DQS centers when write (centered DQ) On chip DLL ali.

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Full PDF Text Transcription

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HY5DU28422T HY5DU28822T HY5DU281622T 2nd 128M DDR SDRAM HY5DU28422T HY5DU28822T HY5DU281622T Revision 1.3 April 2001 Rev. 1.3 / Apr. 2001 This document is a general product description and is subject to change without notice. 128Mb (x4, x8, x16) Double Data Rate SDRAM HY5DU28422T HY5DU28822T HY5DU281622T CONTENTS 1. 128M DDR SDRAM Brief Information --------------------------------------------------------------------- 3 1.1 Description 1.2 Feature 1.3 Ordering Information 2. Pin 2.1 2.2 2.3 & PKG Information --------------------------------------------------------------------------------------- 4 Pin Configuration Pin Description PKG Physical Dimension 3. Functional Block Diagram ----------------------------------------------------------------------------------- 7 4.
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