EDE5104AJSE, EDE5108AJSE, EDE5116AJSE
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
Maximum undershoot area below VSS
DDR2-800
DDR2-667
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDD
DDR2-800, 667
Maximum undershoot area below VSS
DDR2-800, 667
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDDQ
DDR2-800, 667
Maximum undershoot area below VSSQ
DDR2-800, 667
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
0.66
0.8
0.5
0.5
0.23
0.23
0.5
0.5
0.23
0.23
Unit
V
V
V-ns
V-ns
V-ns
V-ns
V
V
V-ns
V-ns
V
V
V-ns
V-ns
Maximum amplitude
Overshoot area
Volts (V)
VDD, VDDQ
VSS, VSSQ
Undershoot area
Time (ns)
Overshoot/Undershoot Definition
Data Sheet E1043E40 (Ver. 4.0)
7
ELPIDA [ ELPIDA MEMORY ]
