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50
49
48
47
46
45
44
43
42
41
OUTPUT
BUFFERS
READ
DATA
REGISTER
INPUT
DATA
REGISTER
INPUT
BUFFERS
1
2
3
4
5
6
7
8
9
10
IC812, IC813 SN74LV245APWR
20
19
18
17
16
1
2
3
4
5
IC905 TC7S08F-TE85L
IN B
1
IN A
2
3
GND
IC808 MSM56V16160F-8TK7R1
40
39
38
37
36
35 34
TIMING
REGISTER
PROGRAMING
REGISTER
LATENCY
&
BURST
CONTROLLER
I/O
CONTROLLER
BANK
CONTROLLER
11
12
13
14
15
16
17 18
15
14
13
12
11
6
7
8
9
10
5
VCC
4
OUT Y
33
INTERNAL
COLUMN
COLUMN
ADDRESS
ADDRESS
BUFFERS
COUNTOR
SENSE
COLUMN
AMPLIFIER
DECODERS
MEMORY
WORD
ROW
CELLS
DRIVERS
DECODERS
IC814 TC7WH157FK (TE85R)
A 1
2
B
Y
3
GND 4
HCD-SC5/SC6/SC8
32
31
30
29
28
27
26
INTERNAL
ROW
ROW
ADDRESS
ADDRESS
BUFFERS
COUNTOR
19
20
21
22
23
24
25
8
VCC
11 7
ST
11 6
SELECT
EN G
A
Y
5
Y
B
Y
69
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