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Rev. 1.2 / Jul. 2010
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Overshoot and Undershoot Specifications
Address and Control Overshoot and Undershoot Specifications
Address and Control Overshoot and Undershoot Definition
AC Overshoot/Undershoot Specification for Address and Control Pins
Parameter
DDR3-800 DDR3-1066DDR3-1333 Units
Maximum peak amplitude allowed for overshoot area. (See figure below)
0.4
0.4
0.4
V
Maximum peak amplitude allowed for undershoot area. (See figure below)
0.4
0.4
0.4
V
Maximum overshoot area above VDD (See figure below)
0.67
0.5
0.4
V-ns
Maximum undershoot area below VSS (See figure below)
0.67
0.5
0.4
V-ns
(A0-A15, BA0-BA3, CS, RAS, CAS, WE, CKE, ODT)
See figure below for each parameter definition
M axim um Am plitude
Overshoot Area
VDD
VSS
M axim um Am plitude
Undershoot Area
Tim e (ns)
Address and Control Overshoot and Undershoot Definition
Volts
(V)
B48614/178.104.2.80/2010-07-08 11:46