Rev. 0.3 / Jun. 2005

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DESCRIPTION

The Hynix HY5DU323222 is a 33,554,432-bit CMOS Double Data Rate(DDR) Synchronous DRAM, ideally suited for the

point-to-point applications which requires high bandwidth.

The Hynix 1Mx32 DDR SDRAMs offer fully synchronous operations referenced to both rising and falling edges of the

clock. While all addresses and control inputs are latched on the rising edges of the CK (falling edges of the /CK), Data,

Data strobes and Write data masks inputs are sampled on both rising and falling edges of it. The data paths are inter-

nally pipelined and 2-bit prefetched to achieve very high bandwidth. All input and output voltage levels are compatible

with SSTL_2.

FEATURES

± 5%

•

All inputs and outputs are compatible with SSTL_2

interface

•

JEDEC standard 20mm x 14mm 100pin LQFP with

0.65mm pin pitch

•

Fully differential clock inputs (CK, /CK) operation

•

Double data rate interface

•

Source synchronous - data transaction aligned to

bidirectional data strobe (DQS)

•

Data outputs on DQS edges when read (edged DQ)

Data inputs on DQS centers when write (centered

DQ)

•

Data(DQ) and Write masks(DM) latched on the both

rising and falling edges of the data strobe

•

All addresses and control inputs except Data, Data

strobes and Data masks latched on the rising edges

of the clock

•

Write mask byte controls by DM (DM0 ~ DM3)

•

Programmable /CAS Latency 3 and 4 supported

•

Programmable Burst Length 2 / 4 / 8 with both

sequential and interleave mode

•

Internal 4 bank operations with single pulsed /RAS

•

tRAS Lock-Out function supported

•

Auto refresh and self refresh supported

•

4096 refresh cycles / 32ms

•

Half strength and Matched Impedance driver option

controlled by EMRS

ORDERING INFORMATION

Note) Hynix supports lead free part for each speed grade with same specification, except lead free material.

We’ll add “P” character after “Q” for lead free product.

Part No.

Power Supply

Clock

Frequency

Max Data Rate

interface

Package

HY5DU323222QP-5

200MHz

400Mbps/pin

SSTL_2

20mm x 14mm

100pin LQFP

HY5DU323222QP-6

166MHz

333Mbps/pin

Rev. 0.2 / May. 2004

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