Sony HCD-FC8 Service Manual page 76

HCD-FC8/FC9
50 49 48 47 46 45 44 43
OUTPUT
BUFFERS
READ
DATA
REGISTER
INPUT
DATA
REGISTER
INPUT
BUFFERS
1 2 3 4 5 6 7 8
IC812, IC813 SN74LV245APWR
20 19 18 17 16
1 2 3 4 5
IC905 TC7S08F-TE85L
IN B 1
IN A 2
GND 3
76
IC808 MSM56V16160F-8TK7R1
42 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
15 14 13 12 11
6 7 8 9 10
5 VCC
4 OUT Y
35 34 33
INTERNAL
COLUMN
COLUMN
ADDRESS
ADDRESS
BUFFERS
COUNTOR
SENSE COLUMN
AMPLIFIER DECODERS
MEMORY WORD
CELLS DECODERS
DRIVERS
17 18
IC814 TC7WH157FK (TE85R)
A 1
B 2
3
Y
GND 4
32 31 30 29 28
INTERNAL
ROW
ROW
ADDRESS
ADDRESS
BUFFERS
COUNTOR
ROW
19 20 21 22 23
8 VCC
11 7 ST
11 6
SELECT
EN G
A Y 5 Y
B Y
27 26
24 25