Hynix HMT351R7AFR8A-H9T7 User Manual
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Rev. 1.0 / Aug. 2010
34
AC and DC Logic Input Levels for Differential Signals
Differential signal definition
Definition of differential ac-swing and “time above ac-level” t
DVAC
time
Dif
fe
rential Input V
olt
age(i.e.D
QS - DQ
S#
, CK
- CK
#)
V
IL.DIFF.AC.MAX
V
IL.DIFF.MAX
0
V
IL.DIFF.MIN
V
IL.DIFF.AC.MIN
t
DVAC
half cycle
t
DVAC
B48614/178.104.2.80/2010-08-12 13:01