X28HC256DM-12 Datasheet, PDF (19/21 Pages) Rochester Electronics – LOW POWER CMOS EEPROM with hi-speed page write capability 256K EEPROM

X28HC256
Ceramic Pin Grid Array Package (CPGA)
G28.550x650A
28 LEAD CERAMIC PIN GRID ARRAY PACKAGE
12
13
15
17
18
11
10
14
16
19
9
8
20
21
7
6
22
23
5
2
28
24
25
4
3
1
27
26
Typ. 0.100 (2.54)
All Leads
0.080 (2.03)
0.070 (1.78)
Pin 1 Index
A
0.008 (0.20)
0.050 (1.27)
A
NOTE: Leads 4, 12, 18, and 26
0.080 (2.03) 4 Corners
0.070 (1.78)
0.110 (2.79)
0.090 (2.29)
0.072 (1.83)
0.062 (1.57)
0.020 (0.51)
0.016 (0.41)
0.660 (16.76)
0.640 (16.26)
0.561 (14.25)
0.541 (13.75)
A
A
0.185 (4.70)
0.175 (4.44)
NOTE: All dimensions in inches (in parentheses in millimeters).
Rev. 0 12/05
18
FN8108.2
May 7, 2007