msm548262 Oki Semiconductor, msm548262 Datasheet - Page 2

• Manufacturer Part Number: msm548262
• Description: 262,144-word 8-bit Multiport Dram
• Manufacturer: Oki Semiconductor

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PIN CONFIGURATION (TOP VIEW)
Note:
SDQ1
SDQ2
SDQ3
SDQ4
SDQ1 - SDQ8
TRG
DQ1
DQ2
DQ3
DQ4
RAS
Pin Name
DQ1 - DQ8
V
V
V
WE
SC
A8
A7
A6
A5
A4
CC
SS
CC
A0 - A8
RAS
CAS
TRG
WE
10
11
12
13
14
15
16
17
18
19
20
The same power supply voltage must be provided to every V
voltage level must be provided to every V
1
2
3
4
5
6
7
8
9
40-Pin Plastic SOJ
Address Input
RAM Inputs/Outputs
SAM Inputs/Outputs
Row Address Strobe
Column Address Strobe
Write Enable
Transfer/Output Enable
Function
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
V
SDQ8
SDQ7
SDQ6
SDQ5
SE
DQ8
DQ7
DQ6
DQ5
V
DSF
NC
CAS
QSF
A0
A1
A2
A3
V
SS
SS
SS
SS
Pin Name
SDQ1
SDQ2
SDQ3
SDQ4
pin.
TRG
DQ1
DQ2
DQ3
DQ4
RAS
V
V
WE
V
DSF
QSF
SC
V
V
A8
A7
A6
A5
A4
NC
SC
SE
CC
SS
CC
CC
SS
10
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
44/40-Pin Plastic TSOP (II)
CC
(K Type)
Serial Clock
SAM Port Enable
Special Function Input
Special Function Output
Power Supply (5 V)
Ground (0 V)
No Connection
pin, and the same GND
Function
MSM548262
44 V
43 SDQ8
42 SDQ7
41 SDQ6
40 SDQ5
39 SE
38 DQ8
37 DQ7
36 DQ6
35 DQ5
32 V
31 DSF
30 NC
29 CAS
28 QSF
27 A0
26 A1
25 A2
24 A3
23 V
SS
SS
SS
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