Sony HCD-C770 Service Manual page 82

HCD-C770/C990
IC706 MSM51V18165F-60TSKR1
50 49 48 47 46 45 44 43 42
OUTPUT INPUT
BUFFER BUFFER
OUTPUT
INPUT
BUFFER BUFFER
VCC VCC
1 2 3 4 5 6 7 8
IC808 MSM56V16160F-8TK7R1
50 49 48 47 46 45 44 43 42
OUTPUT
BUFFERS
READ
DATA
REGISTER
INPUT
DATA
REGISTER
INPUT
BUFFERS
1 2 3 4 5 6 7 8
82
NC
40 – 36
41 35 34 33
TIMING
GENERATOR
I/O
CONTROLLER
I/O
CONTROLLER
AMPLIFIER
MEMORY
9 10 11 – 16 17 18
NC
41 40 39 38 37 36
TIMING
REGISTER
PROGRAMING
REGISTER
LATENCY
&
BURST
CONTROLLER
I/O
CONTROLLER
BANK
CONTROLLER
9 10 11 12 13 14 15 16
32 31 30
REFRESH INTERNAL
CONTROL ADDRESS
CLOCK COUNTER
ROW
COLUMN
ADDRESS
ADDRESS
BUFFERS
BUFFERS
SENSE COLUMN
DECODERS
WORD ROW
CELLS DECODERS
DRIVERS
ON CHIP
VCC
VBB GENERATOR
ON CHIP
VCC
IVCC GENERATOR
19 20 21
35 34 33
INTERNAL
COLUMN
ADDRESS
COUNTOR
SENSE
AMPLIFIER
MEMORY WORD
CELLS DRIVERS
17 18
29 28 27 26
VCC
22 23 24 25
32 31 30 29
INTERNAL
ROW
COLUMN
ROW
ADDRESS
ADDRESS
ADDRESS
BUFFERS
BUFFERS
COUNTOR
COLUMN
DECODERS
ROW
DECODERS
19 20 21 22
28 27 26
23 24 25