HMT451U6MFR8C Datasheet, PDF (29/55 Pages) Hynix Semiconductor – DDR3 SDRAM Unbuffered DIMMs Based on 4Gb M-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- DDR3-
Units
800 1066 1333 1600 1866
Maximum peak amplitude allowed for overshoot area. (See Figure below) 0.4 0.4
Maximum peak amplitude allowed for undershoot area. (See Figure below) 0.4 0.4
Maximum overshoot area above VDD (See Figure below)
0.67 0.5
Maximum undershoot area below VSS (See Figure below)
0.67 0.5
(A0-A15, BA0-BA3, CS, RAS, CAS, WE, CKE, ODT)
See figure below for each parameter definition
0.4 0.4 0.4 V
0.4 0.4 0.4 V
0.4 0.33 0.28 V-ns
0.4 0.33 0.28 V-ns
Maximum Amplitude
Overshoot Area
VDD
Volts
(V) _VSS
Maximum Amplitude
Time (ns)
Undershoot Area
Address and Control Overshoot and Undershoot Definition
Rev. 1.1 / Jul. 2013
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