Block diagram – Rainbow Electronics W9864G6GB User Manual

Page 6

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W9864G6GB

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6. BLOCK

DIAGRAM

DQ0

DQ15

UDQM

LDQM

CLK

CKE

A10

CLOCK

BUFFER

COMMAND

DECODER

ADDRESS

BUFFER

REFRESH

COUNTER

COLUMN

COUNTER

CONTROL

SIGNAL

GENERATOR

MODE
REGISTER

COLUMN DECODER

SENSE AMPLIFIER

CELL ARRAY

BANK #2

COLUMN DECODER

SENSE AMPLIFIER

CELL ARRAY

BANK #0

COLUMN DECODER

SENSE AMPLIFIER

CELL ARRAY

BANK #3

DATA CONTROL

CIRCUIT

DQ
BUFFER

COLUMN DECODER

SENSE AMPLIFIER

CELL ARRAY

BANK #1

NOTE:

The cell array configuration is 4096 * 256 * 16

ROW DECODER

ROW DECODER

ROW DECODER

ROW DECODER

A0

A9

BS0
BS1

CS

RAS

CAS

WE

A11

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