Philips CE130/55 Service Manual page 50

1 Semiconductor
AC CHARACTERISTICS (1/2)
Parameter
CL = 3
Clock Cycle Time CL = 2
CL = 1
CL = 3
Access Time from
CL = 2
Clock
CL = 1
Clock High Pulse Time
Clock Low Pulse Time
Input Setup Time
Input Hold Time
Output Low Impedance Time
from Clock
Output High Impedance Time
from Clock
Output Hold from Clock
Random Read or Write Cycle Time
RAS Precharge Time
RAS Pulse Width
RAS to CAS Delay Time
Write Recovery Time
RAS to RAS Bank Active Delay
Time
Refresh Time
Power-down Exit setup Time
Input Level Transition Time
CAS to CAS Delay Time (Min.)
Clock Disable Time from CKE
Data Output High Impedance Time
from UDQM, LDQM
Dada Input Mask Time from UDQM,
LDQM
Symbol
F-8
Min. Max.
t 8
CC3
t 12
CC2
t 24
CC1
t 
AC3
t 
AC2
t 
AC1
t 3
CH
t 3
CL
t 2
SI
t 1
HI
t 3
OLZ
t 
OHZ
t 3
OH
t 70
RC
t 20
RP
t 48 100,000
RAS
t 20
RCD
t 8
WR
t 20
RRD
t 
REF
t t +1CLK
RDE SI

t
T
l 1
CCD
l 1
CKE
l 2
DOZ
l 0
DOD
MSM56V16160
F-10
Min. Max.
 10 
 15 
 30 
6 
9 
22  27
 3 
 3 
 3 
 1 
 
3
8 
 3 
 90 
 30 
60 100,000
 30 
 15 
 20 
64  64
 t +1CLK 
SI

3
1
1
2
0
FEDD56V16160F-02
MSM56V16160F
Note 1,2
Unit Note
ns
ns
ns
ns 3,4
9
ns 3,4
9
ns 3,4
ns 4
ns 4
ns
ns
ns
ns
8
ns 3
ns
ns
ns
ns
ns
ns
ms
ns
3 ns
Cycle
Cycle
Cycle
Cycle
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