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QQ
3 7 63 1515 0
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS -21
Q281: IC42S16100 (16-Mbit Synchronous Dynamic RAM)
BLOCK DIAGRAM
CLK
CKE
COMMAND
CS
DECODER
RAS
&
CAS
CLOCK
WE
GENERATOR
A11
1
A10
A9
REFRESH
CONTROLLER
A8
A7
A6
REFRESH
A5
COUNTER
A4
A3
A2
A1
A0
ROW
ADDRESS
LATCH
11
TE
L 13942296513
PIN CONFIGURATION
www
.
http://www.xiaoyu163.com
ADDRESS
MODE
11
REGISTER
11
8
SELF
REFRESH
CONTROLLER
ADDRESS
11
VCC
I/O0
I/O1
GNDQ
I/O2
I/O3
VCCQ
I/O4
I/O5
GNDQ
I/O6
I/O7
VCCQ
LDQM
WE
CAS
RAS
CS
A11
A10
A0
A1
A2
A3
x
ao
u163
y
VCC
i
http://www.xiaoyu163.com
2 9
8
MEMORY CELL
ROW
ARRAY
2048
BUFFER
BANK 0
11
SENSE AMP I/O GATE
COLUMN DECODER
8
SENSE AMP I/O GATE
MEMORY CELL
ARRAY
2048
ROW
BANK 1
BUFFER
11
Q Q
3
6 7
1 3
1 5
1
50
GND
2
49
I/O15
3
48
I/O14
4
47
GNDQ
5
46
I/O13
6
45
I/O12
7
44
VCCQ
8
43
I/O11
9
42
I/O10
10
41
GNDQ
11
40
I/O9
12
39
I/O8
13
38
VCCQ
14
37
NC
15
36
UDQM
16
35
CLK
17
34
CKE
18
33
NC
19
32
A9
20
31
A8
21
30
A7
22
29
A6
23
28
A5
24
27
A4
co
25
26
GND
.
TX-SR604/604E/8460
9 4
2 8
DATA IN
BUFFER
16
16
256
256
DATA OUT
BUFFER
16
16
0 5
8
2 9
9 4
m
9 9
DQM
I/O 0-15
Vcc/VccQ
GND/GNDQ
2 8
9 9
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