FM25W256 - 256Kb SPI F-RAM
Mechanical Drawing
8-pin SOIC (JEDEC MS-012 variation AA)
Recommended PCB Footprint
7.70
3.70
3.90
±
0.10 6.00 ±0.20
2.00
Pin 1
0.65
1.27
0.25
0.50
4.90 ±0.10
1.35
1.75
0.19
0.25
°
45
0.10 mm
1.27
0.10
0.25
0°- 8°
0.40
1.27
0.33
0.51
Refer to JEDEC MS-012 for complete dimensions and notes.
All dimensions in millimeters.
SOIC Package Marking Scheme
Legend:
XXXXXXX= part number, P= package type (G=SOIC)
LLLLLLL= lot code
XXXXXXX-P
LLLLLLL
RICYYWW
RIC=Ramtron Int’l Corp, YY=year, WW=work week
Example: FM25W256, “Green” SOIC package, Year 2010, Work Week 39
FM25W256-G
A00002G1
RIC1039
Rev. 1.3
Feb. 2011
Page 12 of 13
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
