V53C8256HP40 Просмотр технического описания (PDF) - Mosel Vitelic, Corp
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V53C8256HP40 Datasheet PDF : 18 Pages
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MOSEL VITELIC
V53C8256H
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
JEDEC
# Symbol Symbol
1 tRL1RH1
2 tRL2RL2
3 tRH2RL2
4 tRL1CH1
5 tCL1CH1
6 tRL1CL1
7 tWH2CL2
8 tAVRL2
9 tRL1AX
10 tAVCL2
11 tCL1AX
12 tCL1RH1(R)
13 tCH2RL2
14 tCH2WX
tRAS
tRC
tRP
tCSH
tCAS
tRCD
tRCS
tASR
tRAH
tASC
tCAH
tRSH (R)
tCRP
tRCH
15 tRH2WX
tRRH
16 tOEL1RH2 tROH
17 tGL1QV
18 tCL1QV
19 tRL1QV
20 tAVQV
tOAC
tCAC
tRAC
tCAA
21 tCL1QX
tLZ
22 tCH2QZ
tHZ
23 tRL1AX
tAR
24 tRL1AV
tRAD
25 tCL1RH1(W) tRSH (W)
26 tWL1CH1
tCWL
27 tWL1CL2
28 tCL1WH1
tWCS
tWCH
Parameter
RAS Pulse Width
Read or Write Cycle Time
RAS Precharge Time
CAS Hold Time
CAS Pulse Width
RAS to CAS Delay
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
Read Command Hold Time
Referenced to CAS
Read Command Hold Time
Referenced to RAS
RAS Hold Time Referenced
to OE
Access Time from OE
Access Time from CAS
Access Time from RAS
Access Time from Column
Address
OE or CAS to Low-Z Output
OE or CAS to High-Z Output
Column Address Hold Time
from RAS
RAS to Column Address
Delay Time
RAS or CAS Hold Time in
Write Cycle
Write Command to CAS Lead
Time
Write Command Setup Time
Write Command Hold Time
35
40
45
50
Min. Max. Min. Max. Min. Max. Min. Max. Unit Notes
35 75K 40 75K 45 75K 50 75K ns
70
75
80
90
ns
25
25
25
30
ns
35
40
45
50
ns
12
12
13
14
ns
16 23 17 28 18 32 19 36 ns
0
0
0
0
ns
4
0
0
0
0
ns
6
7
8
9
ns
0
0
0
0
ns
4
5
6
7
ns
12
12
13
14
ns
5
5
5
5
ns
0
0
0
0
ns
5
0
0
0
0
ns
5
8
8
9
10
ns
12
12
13
14 ns
12
12
13
14 ns 6, 7
35
40
45
50 ns 6, 8, 9
18
20
22
24 ns 6, 7, 10
0
0
0
0
ns 16
0 6 0 6 0 7 0 8 ns 16
28
30
35
40
ns
11 17 12 20 13 23 14 26 ns 11
12
12
13
14
ns
12
12
13
14
ns
0
0
0
0
ns 12, 13
5
5
6
7
ns
V53C8256H Rev. 1.2 July 1997
5
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