Philips CE130/55 Service Manual page 51

1 Semiconductor
AC CHARACTERISTICS (2/2)
Parameter
Data Input Mask Time from Write
Command
Data Output High Impedance Time
from Precharge Command
Active Command Input Time from
Mode Register Set Command Input
(Min.)
Write Command Input Time from
Output
Notes: 1. AC measurements assume that t
2. The reference level for timing of input signals is 1.4V.
3. Output load.
Output
4. The access time is defined at 1.4V.
5. If t is longer than 1ns, then the reference level for timing of input signals is V
T
Symbol
F-8
Min. Max.
l 0
DWD
l CL
ROH
l 2
MRD
l 2
OWD
= 1ns.
T
Z=50Ω
MSM56V16160
F-10
Min. Max.
0
CL
2
2
50pF (External Load)
FEDD56V16160F-02
MSM56V16160F
Note 1,2
Unit Note
Cycle
Cycle
Cycle
Cycle
and V .
IH IL
9/31