MT46V128M4TG-8 データシートの表示（PDF） - Micron Technology

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MT46V128M4TG-8

512Mb: x4, x8, x16 DDR SDRAM

Micron Technology 

ADVANCE

512Mb: x4, x8, x16

DDR SDRAM

FUNCTIONAL BLOCK DIAGRAM

128 Meg x 4

CKE

CK#

CK

CS#

WE#

CAS#

RAS#

CONTROL

LOGIC

BANK3

BANK2

BANK1

MODE REGISTERS

13

REFRESH 13

COUNTER

ROW-

13

ADDRESS

MUX

13

BANK0

ROW-

ADDRESS

LATCH

&

DECODER

8192

BANK0

MEMORY

ARRAY

(8,192 x 2,048 x 8)

SENSE AMPLIFIERS

16,384

4

8

READ

LATCH 4

MUX

CK

DATA

DLL

4

DQS

GENERATOR

DRVRS

1

A0-A12,

BA0, BA1

15

ADDRESS

REGISTER

2

BANK

CONTROL

LOGIC

2

COLUMN-

ADDRESS

11

12

COUNTER/

LATCH

I/O GATING

DM MASK LOGIC

8

2048

(x8)

COLUMN

DECODER

COL0

INPUT

REGISTERS

DQS

1

MASK

WRITE

1

8

FIFO

2

&

DRIVERS

4

8

ck

ck

4

out

in DATA

1

1

1

RCVRS

4

4

4

CK

1

COL0

1

DQ0 -

DQ3, DM

DQS

512Mb: x4, x8, x16 DDR SDRAM

512Mx4x8x16DDR_B.p65 – Rev. B; Pub 4/01

4

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

©2001, Micron Technology, Inc.

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