FM24CL64B 查看數據表（PDF） - Ramtron International Corporation

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FM24CL64B

64Kb Serial 3V F-RAM Memory

Ramtron International Corporation 

8-pin TDFN (4.0mm x 4.5mm body, 0.95mm pitch)

4.50 ±0.1

Exposed metal pad.

Do not connect to

anything except Vss.

FM24CL64B

Pin 1

0.75 ±0.05

0.95

3.60 ±0.10

Pin 1 ID

0.0 - 0.05

2.85 REF

0.30 ±0.1

0.20 REF.

Recommended PCB Footprint

0.40 ±0.05

2.70

3.70

4.30

Note: All dimensions in millimeters.

0.40

0.45

0.95

TDFN Package Marking Scheme for Body Size 4.0mm x 4.5mm

RGXXXX

LLLL

YYWW

Legend:

R=Ramtron, G=”green” TDFN package, XXXX=base part number

LLLL= lot code,

YY=year, WW=work week

Example: “Green” TDFN package, FM24CL64B, Lot 0003, Industrial temperature,

Year 2011, Work Week 07

R4L64B

0003

1107

Rev. 3.0

Jan. 2012

Page 12 of 13

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