FM21LD16 Datasheet, PDF (14/15 Pages) Ramtron International Corporation – 2Mbit F-RAM Memory

Mechanical Drawing
48-ball FBGA (0.75mm ball pitch)
Top View
Pin A1
6.00 BSC
FM21LD16 - 128Kx16 FRAM
Bottom View
654321
A
0.75 typ
B
C
8.00
D
BSC
E
F
G
0.40±0.05
H
1.875
6.00 BSC
1.20 max
0.25
0.10 mm
Refer to JEDEC MS-001 for complete dimensions and notes.
Note: All dimensions in millimeters.
48 FBGA Package Marking Scheme
RAMTRON
XXXXXXX-S-P
LLLLLLL
YYWW
Legend:
XXXXXX= part number, S=speed, P=package
LLLLLL= lot code, YY=year, WW=work week
Examples: FM21LD16, 60ns access time, “Green”/RoHS FBGA package,
Lot C8556953BG1, Year 2009, Work Week 38
RAMTRON
FM21LD16-60-BG
C8556953BG1
0938
Rev. 3.0
Oct. 2012
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