MT48LC128M4A2 View Datasheet(PDF) - Micron Technology

Part Name

Description

Manufacturer

MT48LC128M4A2

Synchronous DRAM

Micron Technology 

Figure 1: 128 Meg x 4 SDRAM Functional Block Diagram

512Mb: 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

8192

BANK0

MEMORY

ARRAY

(8,192 x 4,096 x 4)

SENSE AMPLIFIERS

16384

2

BANK

CONTROL

LOGIC

2

COLUMN-

ADDRESS

12

12

COUNTER/

LATCH

I/O GATING

DQM MASK LOGIC

READ DATA LATCH

WRITE DRIVERS

4096

(x4)

COLUMN

DECODER

1

1

DATA

4

OUTPUT

REGISTER

4

DATA

4

INPUT

REGISTER

DQM

DQ0–

DQ3

PDF: 09005aef809bf8f3/Source: 09005aef80818a4a

512MbSDRAM.fm - Rev. L 10/07 EN

6

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

©2000 Micron Technology, Inc. All rights reserved.

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