92+
ꢀꢇꢀ[ꢀP9
ꢀ
977ꢀꢍꢀꢈ[ꢀP9ꢀ
977ꢀꢍꢀ[ꢀP9ꢀ
W/=ꢀ
92+
ꢀꢇꢀꢈ[ꢀP9ꢀ
W53
5(ꢀꢀEHJLꢀQꢀSRLQWꢀ
7
ꢀ
Hꢀ
ꢀSRLꢀQW
ꢀ
92/
ꢀꢍꢀꢈ[ꢀP9
ꢀꢍꢀ[ꢀP9
ꢀ
977ꢀꢇꢀ[ꢀP
9ꢀ
92/
ꢀ
977ꢀꢇꢀꢈ[ꢀP9ꢀ
7ꢂꢀ 7ꢈꢀ
W+=ꢎW536
7ꢀꢀHQG
ꢀSRLQ
Wꢀꢀ
ꢀꢈꢏ
7ꢂꢇ7ꢈꢀ
W/=ꢎW
535(ꢀEꢀ
Wꢀꢀ
ꢀꢈꢏ7
ꢂꢇ7ꢈꢀ
'46ꢀ
W'+ꢀ
W'6ꢀ
ꢀ
9,ꢀ+ꢐDFꢑꢀꢀPLQ
9,ꢀ+ꢐGFꢑꢀꢀPLQ
95ꢀ ()ꢐGFꢑꢀ
ꢀ
ꢀ
9,ꢀ/ꢐGFꢑꢀꢀPD[
9,ꢀ/ꢐDFꢑꢀꢀPD[
96ꢀ 6ꢀ
ꢀ
ꢀ
W,+ꢀ
W,+
ꢀ
W,6ꢀ
W,6ꢀ
ꢀ
ꢑꢀ
ꢑꢀ
9,ꢀ/ꢐGF ꢀPD[
ꢀ
ꢀ
ꢑꢀ
9,ꢀ/ꢐDF ꢀPD[
ꢑꢀ
Internet Data Sheet
HYS[64/72]T[32/64/128]xx0HU-[25F/2.5/3/3S/3.7/5]-B
Unbuffered DDR2 SDRAM Module
FIGURE 3
Method for calculating transitions and endpoint
W+=ꢀ
W536 QG
7ꢂꢀ 7ꢈꢀ
HJLQꢀSRLQ
FIGURE 4
Differential input waveform timing - tDS and tDS
'46ꢀ
W'+ꢀ
W'6ꢀ
9'ꢀ '4
FIGURE 5
Differential input waveform timing - tlS and tlH
&.ꢀ
&.ꢀ
9'ꢀ '4
9,ꢀ+ꢐDF ꢀPLQꢀ
9,ꢀ+ꢐGF ꢀPLQꢀ
95ꢀ ()ꢐGFꢑꢀ
96ꢀ 6ꢀ
Rev. 1.3, 2006-12
27
03292006-6GMD-RSFT
QIMONDA [ QIMONDA AG ]
