V53C8258H
MOSEL VITELIC
AC Characteristics
TA = 0°C to 70°C, VCC = 5 V ±10%, VSS = 0V unless otherwise noted
AC Test conditions, input pulse levels 0 to 3V
35
40
45
50
JEDEC
#
1
2
3
4
5
6
7
8
9
Symbol Symbol Parameter
Min. Max. Min. Max. Min. Max. Min. Max. Unit
35 75K 40 75K 45 75K 50 75K
Notes
tRL1RH1
tRL2RL2
tRH2RL2
tRL1CH1
tCL1CH1
tRL1CL1
tWH2CL2
tAVRL2
tRAS
tRC
RAS Pulse Width
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Read or Write Cycle Time
RAS Precharge Time
70
25
35
7
75
25
40
8
80
25
45
9
90
30
50
9
tRP
tCSH
tCAS
tRCD
tRCS
tASR
tRAH
tASC
tCAH
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay
16
0
23
17
0
28
18
0
32
19
0
36
Read Command Setup Time
Row Address Setup Time
Row Address Hold Time
Column Address Setup Time
Column Address Hold Time
RAS Hold Time (Read Cycle)
CAS to RAS Precharge Time
4
0
0
0
0
tRL1AX
6
7
8
9
10 tAVCL2
11 tCL1AX
0
0
0
0
4
5
6
7
12 tCL1RH1(R) tRSH (R)
13 tCH2RL2 tCRP
14 tCH2WX tRCH
12
5
12
5
13
5
14
5
Read Command Hold Time
0
0
0
0
5
5
Referenced to CAS
15 tRH2WX
tRRH
Read Command Hold Time
0
8
0
8
0
9
0
ns
ns
Referenced to RAS
16 tOEL1RH2 tROH
RAS Hold Time
10
Referenced to OE
17 tGL1QV
18 tCL1QV
19 tRL1QV
20 tAVQV
tOAC
tCAC
tRAC
tCAA
Access Time from OE
12
12
35
18
12
12
40
20
13
13
45
22
14
14
50
24
ns
ns
ns
ns
Access Time from CAS (EDO)
Access Time from RAS
6, 7
6, 8, 9
6, 7, 10
Access Time from Column
Address
21 tCL1QX
22 tCH2QZ
23 tRL1AX
tLZ
tHZ
tAR
CAS to Low-Z Output
0
0
0
0
0
0
0
0
ns
ns
ns
16
16
Output buffer turn-off delay time
6
6
7
8
Column Address Hold Time
28
30
35
40
from RAS
24 tRL1AV
tRAD
RAS to Column Address
11
12
12
17
12
12
12
20
13
13
13
23
14
14
14
26
ns
ns
ns
11
Delay Time
25 tCL1RH1(W) tRSH (W)
RAS or CAS Hold Time
in Write Cycle
26 tWL1CH1
tCWL
Write Command to CAS
Lead Time
V53C8258H Rev. 1.4 February 1997
5
MOSEL [ MOSEL VITELIC, CORP ]
