Sony HCD-SC5, Руководство по обслуживанию

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69
HCD-SC5/SC6/SC8
A9 A8 A7 A6 A5 A4 VSS
A11-BA
A10/AP
A0 A1 A2 A3
VDD VDD DQ0 DQ1
VSSQ
DQ2 DQ3
VCCQ
DQ4 DQ5
VSSQ
DQ6 DQ7
VDDQ
VSS DQ15 DQ14 VSSQ DQ13 DQ12 VCCQ DQ11 DQ10 VSSQ DQ9 DQ8 VDDQ
CAS RAS
31 32 29 30 26 27 28
21 20 19 23 22 25 24 2 1 4 3 6 5 8 7 10 9 11 13 12
49 50 46 48 44 47 45 42 43 39 40 36
READ
DATA
REGISTER
INPUT
DATA
REGISTER
OUTPUT
BUFFERS
INPUT
BUFFERS
SENSE
AMPLIFIER
COLUMN
DECODERS
MEMORY
CELLS
WORD
DRIVERS
ROW
DECODERS
COLUMN
ADDRESS
BUFFERS
UDQM
35
CLK
34
CKE
33
NC
37
NC
38 41
I/O
CONTROLLER
PROGRAMING
REGISTER
16
WE
15 17
CS
18
LDQM
14
ROW
ADDRESS
BUFFERS
INTERNAL
COLUMN
ADDRESS
COUNTOR
LATENCY
&
BURST
CONTROLLER
INTERNAL
ROW
ADDRESS
COUNTOR
TIMING
REGISTER
BANK
CONTROLLER
IC808 MSM56V16160F-8TK7R1
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
A1
DIR
A2 A3 A4 A5 A6 A7 A8
GND
ENABLE
G
V
CC
B1 B2 B3 B4 B5 B6 B7 B8
IC812, IC813 SN74LV245APWR IC814 TC7WH157FK (TE85R)
SELECT
11 6
ST 11 7
A 1
2
3
A
B
Y 5
Y
B
GND 4
VCC 8
Y
EN G
Y
IC905 TC7S08F-TE85L
1
5
2
4
3
IN B
VCC
IN A
GND
OUT Y