KD-SH99
1-42
CAS
CLOCK
GENERATOR
RAS
CLOCK
GENERATOR
REFRESH
COUNTER
ADRESS
BUFFERS
MEMORY ARRAY
262.144 x 16
I/O0-I/O15
SENSE AMPLIFIERS
COLUMN DECODERS
D
A
T
A I/O B
UFFERS
DATA I/O BUS
CAS
WE
OE
WE
CONTROL
LOGICS
OE
CONTROL
LOGIC
R
O
W DECODER
RAS
OE
WE
LCAS
UCAS
RAS
A0-A8
IS41C16256-35T(IC602):RAM
1
22
44
21
1.Pin layout
2.Block diagram
12
11
8
10
9
1
2
3
4
7
5
6
C4
I/O4
I/O3
O/I4
O/I3
I/O1
O/I1
O/I2
I/O2
Vss
C2
C3
BU4066BCFV-X (IC322) : Quad analog switch
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299