HYB18T256161BF Datasheet, PDF (36/40 Pages) Qimonda AG – 256-Mbit x16 DDR2 SDRAM

Internet Data Sheet
HYB18T256161BF–20/25/28
256-Mbit Double-Data-Rate-Two SDRAM
7.2
Package Thermal Characteristics
JESD51
Theta_jA¹⁾
TABLE 34
Package thermal characteristics
Theta_jC²⁾
JEDEC Board
1s0p
2s0p
Air Flow
0 m/s
1 m/s
3 m/s
0 m/s
1 m/s
3 m/s
Rth[K/W]
69
53
47
41
35
33
5
1) Junction to Ambient thermal resistance. The value has been obtained by simulation using the conditions stated in the Industrial standard.
2) Junction to Case thermal resistance. The value has been obtained by simulation.
Rev. 1.20, 2007-06
36
11232006-QP6X-6EM0