k4h281638d Samsung Semiconductor, Inc., k4h281638d Datasheet - Page 7

• Manufacturer Part Number: k4h281638d
• Description: 128mb D-die X16 Ddr Sdram
• Manufacturer: Samsung Semiconductor, Inc.

128Mb D-die(x16) DDR SDRAM
List of figures
Figure 1 : 128Mb Package Pinout
Figure 2 : Package dimension
Figure 3 : State digram
Figure 4 : Power up and initialization sequence
Figure 5 : Mode register set
Figure 15 : Write interrupted by a read and DM timing
Figure 19 : Read with auto precharge timing
Figure 6 : Mode register set sequence
Figure 7 : Extend mode register set
Figure 8 : Bank activation command cycle timing
Figure 9 : Burst read operation timing
Figure 17 : Burst stop timing
Figure 27 : I / V characteristics for input/output buffers(For normal strength driver):
Figure 10 : Burst write operation timing
Figure 11 : Read interrupted by a read timing
Figure 12 : Read interrupted by a write and burst stop timing
Figure 13 : Read interrupted by a precharge timing
Figure 14 : Write interrupted by a write timing
Figure 16 : Write interrupted by a precharge and DM timing
Figure 18 : DM masking timing
Figure 21 : Auto refresh timing
Figure 22 : Self refresh timing
Figure 23 : Power down entry and exit timing
Figure 24 : AC overshoot/Undershoot Definition
Figure 25 : AC overshoot/Undershoot Definition
Figure 26 : Output Load Circuit (SSTL_2)
Figure 28 : I / V characteristics for input/output buffers(For half strength driver):
Figure 20 : Write with auto precharge timing
pull-up(above) and pull-down(below)
pull-up(above) and pull-down(below)
- 7 -
REV. 0.6 Oct. 21. 2002