AT68166H Datasheet, PDF (4/15 Pages) ATMEL Corporation – Rad Hard 16 MegaBit 3.3V SRAM Multi-Chip Module

Figure 1. YM package pin assignment
I/O0[0]
1
I/O0[1]
2
I/O0[2]
3
I/O0[3]
4
I/O0[4]
5
I/O0[5]
6
I/O0[6]
7
AT68166H
I/O0[7]
8
GND
9
I/O1[0]
10
(top view)
I/O1[1]
11
I/O1[2]
12
I/O1[3]
13
I/O1[4]
14
I/O1[5]
15
I/O1[6]
16
I/O1[7]
17
51
I/O2[0]
50
I/O2[1]
49
I/O2[2]
48
I/O2[3]
47
I/O2[4]
46
I/O2[5]
45
I/O2[6]
44
I/O2[7]
43
GND
42
I/O3[0]
41
I/O3[1]
40
I/O3[2]
39
I/O3[3]
38
I/O3[4]
37
I/O3[5]
36
I/O3[6]
35
I/O3[7]
Note: NC pins are not bonded internally. So, they can be connected to GND or Vcc.
Figure 2. YS package pin assignment
I/O0[0]
1
I/O0[1]
2
I/O0[2]
3
I/O0[3]
4
I/O0[4]
5
I/O0[5]
6
I/O0[6]
7
I/O0[7]
8
GND
9
I/O1[0]
10
I/O1[1]
11
I/O1[2]
12
I/O1[3]
13
I/O1[4]
14
I/O1[5]
15
I/O1[6]
16
I/O1[7]
17
AT68166H
(top view)
51
I/O2[0]
50
I/O2[1]
49
I/O2[2]
48
I/O2[3]
47
I/O2[4]
46
I/O2[5]
45
I/O2[6]
44
I/O2[7]
43
GND
42
I/O3[0]
41
I/O3[1]
40
I/O3[2]
39
I/O3[3]
38
I/O3[4]
37
I/O3[5]
36
I/O3[6]
35
I/O3[7]
4 AT68166H
7842A–AERO–10/09