MT46V16M16FG データシートの表示（PDF） - Micron Technology

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MT46V16M16FG

256Mb: x4, x8, x16 DDR SDRAM

Micron Technology 

256Mb: x4, x8, x16

DDR SDRAM

Figure 5: Functional Block Diagram: 16 Meg x 16

CKE

CK#

CK

CS#

WE#

CAS#

RAS#

CONTROL

LOGIC

REFRESH

COUNTER

13

BANK3

BANK2

BANK1

A0-A12,

BA0, BA1

MODE REGISTERS

15

13

15

ADDRESS

REGISTER

ROW-

13

ADDRESS

MUX

BANK0

ROW-

ADDRESS

LATCH

&

DECODER

8192

BANK0

MEMORY

ARRAY

(8,192 x 256 x 32)

SENSE AMPLIFIERS

8192

2

BANK

CONTROL

LOGIC

2

COLUMN-

ADDRESS

8

9

COUNTER/

LATCH

1

I/O GATING

DM MASK LOGIC

256

(x32)

COLUMN

DECODER

CK

16

32

READ

MUX

LATCH 16

DATA

DLL

16

DQS

GENERATOR

DRVRS

2

COL0

INPUT

DQS

32

REGISTERS

2

MASK

WRITE

32

FIFO

&

DRIVERS

2

4

16

32

clk

clk

16

out

in DATA

2

2

2

RCVRS

16

16

16

CK

2

COL0

DQ0 -

DQ15

LDQS

UDQS

LDM,

UDM

09005aef8076894f

256MBDDRx4x8x16_2.fm - Rev. F 6/03 EN

8

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

©2003 Micron Technology, Inc.

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