W632GG8KB Datasheet, PDF (121/159 Pages) Winbond – 32M X 8 BANKS X 8 BIT DDR3 SDRAM

W632GG8KB
10.12 Overshoot and Undershoot Specifications
10.12.1 AC Overshoot /Undershoot Specification for Address and Control Pins:
Applies to A0-A14, BA0-BA2, CS#, RAS#, CAS#, WE#, CKE, ODT
PARAMETER
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDD
Maximum undershoot area below VSS
DDR3-1333
0.4
0.4
0.4
0.4
DDR3-1600
0.4
0.4
0.33
0.33
DDR3-1866
0.4
0.4
0.28
0.28
UNIT
V
V
V-nS
V-nS
10.12.2 AC Overshoot /Undershoot Specification for Clock, Data, Strobe and Mask pins:
Applies to CK, CK#, DQ, DQS, DQS#, DM
PARAMETER
Maximum peak amplitude allowed for overshoot area
Maximum peak amplitude allowed for undershoot area
Maximum overshoot area above VDDQ
Maximum undershoot area below VSSQ
DDR3-1333
0.4
0.4
0.15
0.15
DDR3-1600
0.4
0.4
0.13
0.13
DDR3-1866
0.4
0.4
0.11
0.11
UNIT
V
V
V-nS
V-nS
Maximum Amplitude
VDD/VDDQ
Volts (V)
VSS/VSSQ
Maximum Amplitude
Time (nS)
Overshoot Area
Undershoot Area
Figure 104 – AC Overshoot and Undershoot Definition
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Publication Release Date: Dec. 08, 2014
Revision: A04