Functional Block Diagram - Philips SACD 1000/001 Service Manual

CKE
CLK
CONTROL
CS#
LOGIC
WE#
CAS#
RAS#
MODE REGISTER
12
REFRESH
ADDRESS
CONTROLLER
A0-A10, BA 12
REGISTER
REFRESH
COUNTER
11
Circuit-, IC descriptions and list of abbreviations

FUNCTIONAL BLOCK DIAGRAM

1 Meg x 16 SDRAM
ROW-
11 ADDRESS 11
LATCH
8
11
ROW-
ADDRESS
MUX
ROW-
11 ADDRESS
LATCH
BANK0
MEMORY
2,048
ARRAY
(2,048 x 256 x 16)
256 (x16)
SENSE AMPLIFIERS
I/O GATING
DQM MASK LOGIC
256
COLUMN
8
DECODER
256
SENSE AMPLIFIERS
I/O GATING
DQM MASK LOGIC
256 (x16)
BANK1
MEMORY
11 2,048
ARRAY
(2,048 x 256 x 16)
SACD 1000 9.
16Mb: x16
DATA
OUTPUT
16
REGISTER
16
DATA
INPUT 8
REGISTER
GB 129
SDRAM
DQML,
DQMH
DQ0-
16
DQ15