K4S511533F Datasheet, PDF (6/12 Pages) Samsung semiconductor – 8M x 16Bit x 4 Banks Mobile SDRAM in 54FBGA

K4S511533F - Y(P)C/L/F
AC OPERATING TEST CONDITIONS(VDD = 2.7V ∼ 3.6V, TA = -25 to 70°C )
Parameter
Value
AC input levels (Vih/Vil)
2.4/0.4
Input timing measurement reference level
1.4
Input rise and fall time
tr/tf = 1/1
Output timing measurement reference level
1.4
Output load condition
See Figure 2
Mobile SDRAM
Unit
V
V
ns
V
Output
870Ω
VDDQ
1200Ω
VOH (DC) = 2.4V, IOH = -2mA
VOL (DC) = 0.4V, IOL = 2mA
30pF
Output
Figure 1. DC Output Load Circuit
Z0=50Ω
Vtt=0.5 x VDDQ
50Ω
30pF
Figure 2. AC Output Load Circuit
6
September 2004