MT46H16M16 데이터 시트보기 (PDF) - Micron Technology

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MT46H16M16

Mobile DDR SDRAM

Micron Technology 

Functional Block Diagrams

Figure 2: Functional Block Diagram (16 Meg x 16)

256Mb: x16, x32 Mobile DDR SDRAM

General Description

CKE

CK#

CK

CS#

WE#

CAS#

RAS#

Control

logic

Standard mode

register

Extended mode

register

13

13

A0–A12,

BA0, BA1

15 Address

register

Refresh

counter

13

Bank 3

Bank 2

Bank 1

Row-

13

address

MUX

Bank 0

Row-

address

Latch

and

decoder

8,192

Bank 0

Memory

array

(8,192 x 256 x 32)

Sense amplifiers

16,384

2

Bank

control

logic

2

Column-

address

8

9

Counter/

latch

1

I/O gating

DM mask logic

256

(x32)

Column

decoder

16

32

Read

MUX

latch 16

Data

16

DQS

generator

DRVRS

2

COL 0

DQS

32

CK Input

registers

2

MASK

2

2

WRITE

32

FIFO

and

drivers

2

4

16

32

2

16

RCVRS

16

CK

CK

16

16

out

in DATA

CK

2

COL 0

DQ0–

DQ15

LDQS,

UDQS

LDM,

UDM

PDF: 09005aef82091978 / Source: 09005aef8209195b

MT46H16M16LF__2.fm - Rev. H 6/08 EN

7

Micron Technology, Inc., reserves the right to change products or specifications without notice.

©2005 Micron Technology, Inc. All rights reserved.

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