Pin No.
Pin Name
I/O
Description
-56-
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Bi-directional data to DRAM
Digital ground
Address output to DRAM
Address output to DRAM
Address output to DRAM
Address output to DRAM
Digital power supply
Address output to DRAM
Address output to DRAM
Address output to DRAM
Address output to DRAM
Address output to DRAM
Master clock from oscillator for 2x decoding
Digital GND
Master clock from oscillator
Digital power supply
Row address strobe to DRAM
Column address upper byte control strobe to DRAM
Column address lower byte control strobe to DRAM
Write enable signal to DRAM
Output enable signal to DRAM
Scan data input
Test mode selection (low for normal)
Test output (Not used)
Test output (Not used)
Test output (Not used)
Test output (Not used)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
36
37
38
39
40
41
42
DAT1
DAT2
DAT3
DAT4
DAT5
DAT6
DAT7
DAT8
DAT9
DAT10
DAT11
DAT12
DAT13
DAT14
DAT15
DAT16
VSS
ADD1
ADD2
ADD3
ADD4
VDD
ADD5
ADD6
ADD7
ADD8
ADD9
X2_MCK
OE
SCAN_IN
TEST_SE
TEST_OUT12
TEST_OUT11
TEST_OUT10
TEST_OUT9
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
–
O
O
O
O
–
O
O
O
O
O
I
I
O
I
I
O
O
O
O
IC DESCRIPTION - 7/12(GDC25D801C)-1/5
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
