ESMT
M13S64164A (2Y)
AC Operation Conditions & Timing Specifications
AC Operation Conditions
Parameter
Symbol
Min
Max
Unit
V
Note
Input High (Logic 1) Voltage, DQ, DQS and DM signals
Input Low (Logic 0) Voltage, DQ, DQS and DM signals
VIH(AC)
VIL(AC)
VID(AC)
VREF + 0.31
VREF - 0.31
VDDQ+0.6
V
0.7
V
1
2
Input Differential Voltage, CLK and CLK inputs
VIX(AC)
0.5*VDDQ-0.2 0.5*VDDQ+0.2
V
Input Crossing Point Voltage, CLK and CLK inputs
Notes:
1. VID is the magnitude of the difference between the input level on CLK and the input on CLK .
2. The value of VIX is expected to equal 0.5*VDDQ of the transmitting device and must track variations in the DC level of
the same.
AC Overshoot / Undershoot Specification
Value
Parameter
Pin
Unit
-4 / -5 / -6
1.5
Address, Control
Data, Strobe, Mask
Address, Control
Data, Strobe, Mask
Address, Control
Data, Strobe, Mask
Address, Control
Data, Strobe, Mask
V
V
Maximum peak amplitude allowed for overshoot
1.2
1.5
V
Maximum peak amplitude allowed for undershoot
Maximum overshoot area above VDD
1.2
V
4.5
V-ns
V-ns
V-ns
V-ns
2.4
4.5
Maximum undershoot area below VSS
2.4
Elite Semiconductor Memory Technology Inc.
Publication Date : Apr. 2012
Revision : 1.0 8/49
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
