EDE1104ABSE, EDE1108ABSE, EDE1116ABSE
AC Overshoot/Undershoot Specification
Parameter
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDD
DDR2-800
DDR2-667
DDR2-533
DDR2-400
Maximum undershoot area below VSS
DDR2-800
DDR2-667
DDR2-533
DDR2-400
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDD
DDR2-800, 667
DDR2-533
DDR2-400
Maximum undershoot area below VSS
DDR2-800, 667
DDR2-533
DDR2-400
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDDQ
DDR2-800, 667
DDR2-533
DDR2-400
Maximum undershoot area below VSSQ
DDR2-800, 667
DDR2-533
DDR2-400
DQ, DQS, /DQS,
UDQS, /UDQS,
LDQS, /LDQS,
RDQS, /RDQS,
DM, UDM, LDM
CK, /CK
Pins
Command, Address,
CKE, ODT
Specification
0.5
0.5
0.66
0.8
1.0
1.33
0.66
0.8
1.0
1.33
0.5
0.5
0.23
0.28
0.38
0.23
0.28
0.38
0.5
0.5
0.23
0.28
0.38
0.23
0.28
0.38
Unit
V
V
V-ns
V-ns
V-ns
V-ns
V-ns
V-ns
V-ns
V-ns
V
V
V-ns
V-ns
V-ns
V-ns
V-ns
V-ns
V
V
V-ns
V-ns
V-ns
V-ns
V-ns
V-ns
Maximum amplitude
Overshoot area
Volts (V)
VDD, VDDQ
VSS, VSSQ
Undershoot area
Time (ns)
Overshoot/Undershoot Definition
Data Sheet E0852E50 (Ver. 5.0)
7
ELPIDA [ ELPIDA MEMORY ]
