X28C256D Xicor, X28C256D Datasheet - Page 21

• Manufacturer Part Number: X28C256D
• Description: 5 Volt/ Byte Alterable E2PROM
• Manufacturer: Xicor

X28C256
PACKAGING INFORMATION
0.660 (16.76)
0.640 (16.26)
TYP. 0.100 (2.54)
ALL LEADS
28-LEAD CERAMIC PIN GRID ARRAY PACKAGE TYPE K
NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS)
PIN 1 INDEX
12
11
9
7
5
4
13
10
8
6
2
3
0.561 (14.25)
0.541 (13.75)
15
14
28
1
0.080 (2.03)
0.070 (1.78)
17
16
20
22
24
27
21
18
19
21
23
25
26
0.080 (2.03)
0.070 (1.78)
NOTE: LEADS 4,12,18 & 26
A
A
0.110 (2.79)
0.090 (2.29)
A
A
4 CORNERS
0.072 (1.83)
0.062 (1.57)
0.008 (0.20)
0.050 (1.27)
3926 FHD F15
0.020 (0.51)
0.016 (0.41)
0.185 (4.70)
0.175 (4.44)