k4d263238a-gc50 Samsung Semiconductor, Inc., k4d263238a-gc50 Datasheet - Page 2

• Manufacturer Part Number: k4d263238a-gc50
• Description: 1m X 32bit X 4 Banks Double Data Rate Synchronous Ram With Bi-directional Data Strobe And Dll
• Manufacturer: Samsung Semiconductor, Inc.

* VDD / VDDQ=2.8V *
128M DDR SDRAM
K4D26323RA-GC
Revision History
Revision 2.0 (January 16, 2003)
• Changed package ball height from 0.25mm to 0.35mm
Revision 1.9 (August 12, 2002)
• Changed tRC of K4D26323RA-GC2A from 20tCK to 15tCK
• Changed tRFC of K4D26323RA-GC2A from 22tCK to 17tCK
• Changed tRAS of K4D26323RA-GC2A from 14tCK to 10tCK
• Changed tRCDRD of K4D26323RA-GC2A from 7tCK to 5tCK
• Changed tRCDWR of K4D26323RA-GC2A from 5tCK to 3tCK
• Changed tRP of K4D26323RA-GC2A from 6tCK to 5tCK
• Changed tDAL of K4D26323RA-GC2A from 9tCK to 8tCK
• Changed tRC of K4D26323RA-GC33 from 17tCK to 13tCK
• Changed tRFC of K4D26323RA-GC33 from 19tCK to 15tCK
• Changed tRAS of K4D26323RA-GC33 from 12tCK to 9tCK
• Changed tRCDRD of K4D26323RA-GC33 from 6tCK to 4tCK
• Changed tRCDWR of K4D26323RA-GC33 from 4tCK to 2tCK
• Changed tRP of K4D26323RA-GC33 from 5tCK to 4tCK
• Changed tWR of K4D26323RA-GC33 from 3tCK to 2tCK
• Changed tDAL of K4D26323RA-GC33 from 8tCK to 7tCK
Revision 1.8 (July 18, 2002)
• Changed power dissipation from 2,0W to 3.3W
Revision 1.7 (May 7, 2002)
• Typo corrected
Revision 1.6 (Janaury 29, 2002)
• Changed CL of K4D26323RA-GC33/36 from 5tCK to 4tCK
• Changed tCK(max) of K4D26323RA-GC2A from 5ns to 4ns.
For all the CL5 operation, guaranteed tCK(max) is 4ns.
Revision 1.5 (December 10, 2001)
• Removed K4D263238A-GC33/40/45/50/55/60(VDD/VDDQ=2.5V) from the spec
Revision 1.4 (November 14, 2001)
• Added K4D26323RA-GC36(VDD/VDDQ=2.8V)
Revision 1.3 (October 22, 2001)
• Corrected part number of K4D263238A-GC2A to K4D26323RA-GC2A
• Changed tCDLR of -GC2A and GC33 from 3tCK to 2tCK and applied since Sept 15, 2001.
• Defined x32 DDR for mobile PC graphics separately - K4D26323AA-GL** featured with VDDQ=1.8V,ICC6=1mA with
reduced operating current. Refer to the K4D26323AA-GL** spec for more detail information.
Rev. 2.0 (Jan. 2003)
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