Marantz DV4100 User Manual download pdf (Page 127)

IC Descriptions.

GB 71ASD-1 9.

16Mb: x16

SDRAM

11

11

11

RAS#

REFRESH

CONTROLLER

2,048

REFRESH

COUNTER

CAS#

256

256 (x16)

8

COLUMN-

ADDRESS BUFFER

BURST COUNTER

ROW-

ADDRESS

MUX

CLK

CS#

WE#

CKE

256 (x16)

BANK1

MEMORY

ARRAY

(2,048 x 256 x 16)

SENSE AMPLIFIERS

I/O GATING

DQM MASK LOGIC

CONTROL

LOGIC

COLUMN

DECODER

COLUMN-

ADDRESS LATCH

8

MODE REGISTER

ROW-

ADDRESS

LATCH

11

ROW

DECODER

11

COMMAND

DECODE

DQ0-

DQ15

A0-A10, BA

16

8

DQML,

DQMH

256

2,048

BANK0

MEMORY

ARRAY

(2,048 x 256 x 16)

ROW

DECODER

ROW-

ADDRESS

LATCH

11

12

ADDRESS

REGISTER

12

SENSE AMPLIFIERS

I/O GATING

DQM MASK LOGIC

DATA

INPUT

REGISTER

DATA

OUTPUT

REGISTER

16

16

FUNCTIONAL BLOCK DIAGRAM

1 Meg x 16 SDRAM

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 142 143

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