July 1997
Revision 1.0
EDC4BV7282B-60(J/T)G-S
AC CHARACTERISTICS
(TA = 0 to +70°C, V
CC
= 3.3V±0.3V, V
SS
= 0V)
60
Min
110
-
-
-
2
40
60
20
50
10
20
15
10
5
10
0
10
35
3
0
0
10
10
20
10
0
15
-
0
15
10
5
-
25
10
60
Max
-
60
20
35
50
-
10000
-
-
10000
40
25
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
32
-
-
-
-
40
-
-
100000
Parameter
Random read/write cycle time
Access time from RAS*
Access time from CAS*
Access time from column address
Transition time (rise and fall)
RAS* precharge time
RAS* pulse width
RAS* hold time
CAS* hold time
CAS* pulse width
RAS* to CAS* delay time
RAS* to column address delay time
CAS* to RAS* precharge time
Row address set-up time
Row address hold time
Column address set-up time
Column address hold time
Column address to RAS* lead time
Read command set-up time
Read command hold time to CAS*
Read command hold time to RAS*
Write command hold time
Write command pulse width
Write command to RAS* lead time
Write command to CAS* lead time
Data-in set-up time
Data-in hold time
Refresh period
Write command set-up time
CAS* set-up time (CBR refresh)
CAS* hold time (CBR refresh)
RAS* precharge to CAS* hold time
Access time from CAS* precharge
Hyper page mode cycle time
CAS* precharge time (Hyper page)
RAS* pulse width (Hyper page)
Symbol
t
RC
t
RAC
t
CAC
t
AA
t
T
t
RP
t
RAS
t
RSH
t
CSH
t
CAS
t
RCD
t
RAD
t
CRP
t
ASR
t
RAH
t
ASC
t
CAH
t
RAL
t
RCS
t
RCH
t
RRH
t
WCH
t
WP
t
RWL
t
CWL
t
DS
t
DH
t
REF
t
WCS
t
CSR
t
CHR
t
RPC
t
CPA
t
HPC
t
CP
t
RASP
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
ns
ns
ns
ns
ns
Notes
3,4
3,4,5
3, 10
2
4
10
8
9
9
7
1
1
3, 11
12
Fujitsu Microelectronics, Inc./Fujitsu Mikroelektronik GmbH
5
FUJITSU [ FUJITSU COMPONENT LIMITED. ]
