HMT325S6CFR8C Datasheet, PDF (26/48 Pages) Hynix Semiconductor – DDR3 SDRAM Unbuffered SODIMMs Based on 2Gb C-die

Overshoot and Undershoot Specifications
Address and Control Overshoot and Undershoot Specifications
AC Overshoot/Undershoot Specification for Address and Control Pins
Parameter
DDR3- DDR3- DDR3- DDR3-
Units
800 1066 1333 1600
Maximum peak amplitude allowed for overshoot area. (See Figure below) 0.4
0.4
0.4
0.4 V
Maximum peak amplitude allowed for undershoot area. (See Figure below) 0.4
0.4
0.4
0.4 V
Maximum overshoot area above VDD (See Figure below)
0.67 0.5
0.4 0.33 V-ns
Maximum undershoot area below VSS (See Figure below)
0.67 0.5
(A0-A15, BA0-BA3, CS, RAS, CAS, WE, CKE, ODT)
0.4 0.33 V-ns
See figure below for each parameter definition
Maxim um Am plitude
Overshoot Area
VDD
V o lts
(V) _VSS
Maxim um Am plitude
Tim e (ns)
Undershoot Area
Address and Control Overshoot and Undershoot Definition
Rev. 1.0/Sep. 2012
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