30
Pin No.
Pin Name
I/O
Description
—
I/O
I
I
—
I
—
—
I
I
O
I
I/O
—
1
2
3
4
5
6
8
9
10
11
12
13
14
15
16
17
18
19
21
22
23
24
25
26
VCC
D0
D1
______
WE
________
RAS
NC
A10
A0
A1
A2
A3
VCC
VSS
A4
A5
A6
A7
A8
A9
_____
OE
________
CAS
D2
D3
VSS
IC, MSM51V17400D-SJ
I
8
CS
IC, S-93C46AMFN
Power supply
Not connected
Test terminal. Open (can be connected to Vcc or GND)
Ground
Serial data output
Serial data input
Serial clock input
Chip select input
+2.5V power supply
Data input/output
Write enable
Row address strobe
Not connected
Address inputs
+2.5V power supply
Ground
Address inputs
Address input
Output enable
Column address strobe
Data input/output
Ground
Pin No.
Pin Name
I/O
Description
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