H5DU2562GFR-XXI Ver la hoja de datos (PDF) - Hynix Semiconductor

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Fabricante

H5DU2562GFR-XXI

256Mb DDR SDRAM

Hynix Semiconductor 

H5DU2562GFR-xxI

FUNCTIONAL BLOCK DIAGRAM (16Mx16)

4Banks x 4Mbit x 16 I/O Double Data Rate Synchronous DRAM

Write Data Register

2-RbMegiotidsePterrefetch Unit

16

32

LDM,

UDM

LDQS,

UDQS

CLK

/CLK

CKE

/CS

/RAS

/CAS

/WE

A0

A1

Amax

BA0

BA1

Comman

d

Decoder

Address

Buffer

Bank

Control

Mode

Register

Row

Decoder

4Mx16 BANK 3

4Mx16 BANK 2

4Mx16 BANK 1

4Mx16 BANK 0

32

Memory

Cell

Array

DQ0

16

DQ15

Column Address

Counter

CLK,

/CLK

Column

Decoder

CLK_DLL

DLL

Block

UDQS,

LDQS

Data Strobe

Transmitter

Data Strobe

Receiver

UDQS,

LDQS

Mode

Register

Rev. 1.1 /Sep. 2007

6

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