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Pin Name Function
A0-A10 Address inputs
- Row address
- Column address
- Refresh address
DQ1~DQ4 Data-in / data-out
RAS Row address strobe
CAS Column address strobe
WE Write enable
OE Output enable
Vcc Power (+ 3.3V)
Vss Ground
VCC
1
DQ1
2
DQ2
3
DQ3
4
DQ4
5
VCC
6
8
9
10
11
NC
12
WE
13
A0
A1
17
A2
18
A3
19
VSS
RAS
CAS
OE
A8
A7
A6
A5
A4
VSS
AD404M42VS
Pin Description
Pin Configuration
21
22
23
24
25
26
15
14
16
A10
26/24-PIN 300mil Plastic SOJ
A9
VCC
1
DQ1
2
DQ2
3
DQ3
4
DQ4
5
VCC
6
8
9
10
11
NC
12
WE
13
A0
A1
17
A2
18
A3
19
VSS
RAS
CAS
OE
A8
A7
A6
A5
A4
VSS
AD404M42VT
21
22
23
24
25
26
15
14
16
A10
26/24-PIN 300mil Plastic TSOP (ll)
A9
A0-A10
A0-A10
A0-A10