FM25CL64B Ramtron, FM25CL64B Datasheet - Page 13

• Manufacturer Part Number: FM25CL64B
• Description: 3V F-RAM Memory
• Manufacturer: Ramtron

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8-pin TDFN (4.0mm x 4.5mm body, 0.95mm pitch)
Rev. 1.2
Feb. 2011
TDFN Package Marking Scheme for Body Size 4.0mm x 4.5mm
RGXXXX
LLLL
YYWW
Note: All dimensions in millimeters. The exposed pad should be left floating.
0.75 ±0.05
Pin 1
0.95
Legend:
Example: “Green”/RoHS TDFN package, FM25L64B, Lot 0003,
Year 2011, Work Week 07
4.50 ±0.1
R=Ramtron, G=”green” TDFN package, XXXX=base part number
LLLL= lot code
YY=year, WW=work week
R5L64B
0003
1107
0.40 ±0.05
0.20 REF.
0.0 - 0.05
should be left floating.
Exposed metal pad
0.60
Recommended PCB Footprint
3.60 ±0.10
2.85 REF
FM25CL64B - 64Kb 3V SPI F-RAM
0.95
4.30
0.30 ±0.1
0.45
Pin 1 ID
Page 13 of 14
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