fm3204 Ramtron Corporation, fm3204 Datasheet - Page 22

• Manufacturer Part Number: fm3204
• Description: Integrated Processor Companion With Memory
• Manufacturer: Ramtron Corporation

Revision History
Rev. 2.4
Mar. 2008
Revision
0.21
0.2
1.0
2.0
2.1
2.2
2.3
2.4
3/18/2008
11/25/03
10/25/04
5/22/03
3/30/04
12/8/04
10/5/05
10/2/06
Date
Summary
Initial release.
Fixed package drawing dimensions.
Changed product status to Preliminary. Added V
Operating table. Changed V
Changed to Pre-Production status. Added text to Trickle Charger section.
Improved spec limits on V
limits in DC Operating table. Added companion register table with default
values. Added Package Marking Scheme and board footprint. Devices marked
with Date Codes 0440 and higher comply with the revision of the datasheet.
Changed description of POR flag and manual reset (pg. 5, 10). Added notes to
Absolute Maximum Ratings.
Rewrote section on battery backup. Added comment about unused CNT pins.
Removed -S packaging option which is Not Recommended for New Designs.
Added ESD and MSL ratings which are valid for Date Codes 0440 and higher.
Not recommended for new designs. As an alternative, use FM3127xB for 5V
designs or FM31L27xB for 3V designs.
TP
HYS
, V
limits. Added “green” package.
PFI
, and V
HYS
parameters and changed V
TP
and V
PFI
FM3204/16/64/256
parameters in DC
Page 22 of 22
IH
max