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HYS64T128020EML-3S-B Datasheet, PDF (19/39 Pages) Qimonda AG – 214-Pin Unbuffered DDR2 SDRAM MicroDIMM Modules Low Power
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Preliminary Internet Data Sheet
HYS64T128020EML-[3S/3.7/5]-B
Unbuffered DDR2 SDRAM MicroDIMM Modules
32) tWTR is at lease two clocks (2 x tCK) independent of operation frequency.
T(:
T203 4 E ND POINT
6/( XM6
6/( XM6
6/, XM6
6/, XM6
4 4
T(: T203 4 END POIN T 4 4 
FIGURE 2
Method for calculating transitions and endpoint
644 XM6
644 XM6
644 XM 6
644 XM6
T,:
T20 2%BEGINPOINT
4 4
T,: T202 % B EGIN POIN T 4  4 
FIGURE 3
Differential input waveform timing - tDS and tDS
$13
$13
#+
#+
T$3 T$(
T$3 T$(
6$ $1
6)(AC MIN
6)(DC MIN
62 %&DC
6),DC MAX
6),AC MAX
63 3
FIGURE 4
Differential input waveform timing - tlS and tlH
T)3 T)(
T)3 T)(
6$ $1
6)(AC MIN
6)(DC MIN
62 %&DC
6),DC MAX
6),AC MAX
63 3
Rev. 0.5, 2007-05
19
05212007-7F24-MITO
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