Pioneer PD-30-K Service Manual page 22

1
A IG2J08165G (EM638165TS-6G)(MAIN PCB ASSY: IC4002)
SDRAM (64M)
• Pin Arrangement
B
• Block Diagram
C
CLK
CKE
CS#
RAS#
CAS#
D
WE#
A10/AP
A0
E
A9
A11
BA0
BA1
F
22
1
2
CLOCK
BUFFER
COMMAND
DECODER
CONTROL
SIGNAL
GENERATOR
COLUMN
COUNTER
MODE
REGISTER
ADDRESS
BUFFER
REFRESH
COUNTER
PD-30-K
2
3
1M x 16
CELL ARRAY
(BANK #A)
Column Decoder
DQ0
DQ Buffer
DQ15
LDQM, UDQM
1M x 16
CELL ARRAY
(BANK #B)
Column Decoder
1M x 16
CELL ARRAY
(BANK #C)
Column Decoder
1M x 16
CELL ARRAY
(BANK #D)
Column Decoder
3
4
4