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零件编号
产品描述 (功能)
MSM548263 查看數據表(PDF) - Oki Electric Industry
零件编号
产品描述 (功能)
生产厂家
MSM548263
262,144-Word x 8-Bit Multiport DRAM
Oki Electric Industry
MSM548263 Datasheet PDF : 40 Pages
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¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
V
CC
1
40
V
SS
SC
2
39
SDQ8
SDQ1
3
38
SDQ7
SDQ2
4
37
SDQ6
SDQ3
5
SDQ4
6
TRG
7
36
SDQ5
35
SE
34
DQ8
DQ1
8
33
DQ7
DQ2
9
32
DQ6
DQ3
10
31
DQ5
DQ4
11
V
SS
12
WE
13
RAS
14
30
V
SS
29
DSF
28
NC
27
CAS
A8
15
26
QSF
A7
16
25
A0
A6
17
24
A1
A5
18
23
A2
A4
19
22
A3
V
CC
20
21
V
SS
V
CC
1
SC 2
SDQ1 3
SDQ2 4
SDQ3 5
SDQ4 6
TRG
7
DQ1 8
DQ2 9
DQ3 10
MSM548263
44 V
SS
43 SDQ8
42 SDQ7
41 SDQ6
40 SDQ5
39
SE
38 DQ8
37 DQ7
36 DQ6
35 DQ5
DQ4 13
V
SS
14
WE
15
RAS
16
A8 17
A7 18
A6 19
A5 20
A4 21
V
CC
22
32 V
SS
31 DSF
30 NC
29
CAS
28 QSF
27 A0
26 A1
25 A2
24 A3
23 V
SS
44/40-Pin Plastic TSOP (
II
)
(K Type)
40-Pin Plastic SOJ
Pin Name
A0 - A8
DQ1 - DQ8
SDQ1 - SDQ8
RAS
CAS
WE
TRG
Function
Address Input
RAM Inputs/Outputs
SAM Inputs/Outputs
Row Address Strobe
Column Address Strobe
Write Enable
Transfer/Output Enable
Pin Name
SC
SE
DSF
QSF
V
CC
V
SS
NC
Function
Serial Clock
SAM Port Enable
Special Function Input
Special Function Output
Power Supply (5 V)
Ground (0 V)
No Connection
Note: The same power supply voltage must be provided to every V
CC
pin, and the same GND
voltage level must be provided to every V
SS
pin.
2/40
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