MT48LC64M4A2P-6ALD(2007) Просмотр технического описания (PDF) - Micron Technology

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производитель

MT48LC64M4A2P-6ALD
(Rev.:2007)

256Mb: x4, x8, x16 SDRAM F

Micron Technology 

Figure 2: 32 Meg x 8 SDRAM Functional Block Diagram

256Mb: x4, x8, x16 SDRAM

General Description

CKE

CLK

CS#

WE#

CAS#

RAS#

CONTROL

LOGIC

BANK3

BANK2

BANK1

MODE REGISTER

12

A0–A12,

BA0, BA1

15 ADDRESS

REGISTER

REFRESH 13

COUNTER

ROW-

13

ADDRESS

MUX

13

BANK0

ROW-

ADDRESS

LATCH

&

DECODER

8,192

BANK0

MEMORY

ARRAY

(8,192 x 1,024 x 8)

SENSE AMPLIFIERS

8,192

2

BANK

CONTROL

LOGIC

2

COLUMN-

ADDRESS

10

10

COUNTER/

LATCH

I/O GATING

DQM MASK LOGIC

READ DATA LATCH

WRITE DRIVERS

1,024

(x8)

COLUMN

DECODER

1

1

DATA

8

OUTPUT

REGISTER

8

DATA

8

INPUT

REGISTER

DQM

DQ0–

DQ7

PDF: 09005aef8091e6d1/Source: 09005aef8091e6a8

256MSDRAM_2.fm - Rev. L 10/07 EN

8

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

©1999 Micron Technology, Inc. All rights reserved.

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