EMLS232UA Datasheet, PDF (8/14 Pages) Emerging Memory & Logic Solutions Inc – 512K x 32 x 4Banks Low Power SDRAM Specificaton

EMLS232UA Series
512K x 32 x 4Banks Low Power SDRAM
AC OPERATING TEST CONDITIONS
(V_DD = 1.7V ~ 1.95V, T_A = 0 ~ 70 for Commercial, -25 ~85 for Extendedl)




Parameter
Value
Unit
AC input levels(Vih/Vil)
0.9 V_DDQ / 0.2
V
Input timing measurement reference level
0.5 V_DDQ
V
Input rise and fall time
tr/tf = 1/1
!
Output timing measurement reference level
0.5 V_DDQ
V
Output load condition
See Figure 2
Output
10.6
"
1.8V
13.9
"
V_OH (DC) =V_DDQ - 0.2V, I_OH = -0.1^
V_OL (DC) = 0.2V, I_OL = 0.1 ^
20 ^
Output
Z0=50
##
##
Vtt=0.5 V_DDQ
50
$
20 (Full DS)
%
10 (Half DS)
%
5 (Quarter DS)
%
C_L
2.5 (Octant DS)
%
Figure 1. DC Output Load Circuit
Figure 2. AC Output Load Circuit
Rev 0.6