MD51V65405E Oki Semiconductor, MD51V65405E Datasheet - Page 5

• Manufacturer Part Number: MD51V65405E
• Description: 16,777,216-word ? 4-bit Dynamic Ram Fast Page Mode Type With Edo
• Manufacturer: Oki Semiconductor

AC CHARACTERISTICS (1/2)
OKI Semiconductor
Random Read or Write Cycle Time
Read Modify Write Cycle Time
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write
Cycle Time
Access Time from RAS
Access Time from CAS
Access Time from Column Address
Access Time from CAS Precharge
Access Time from OE
Output Low Impedance Time from CAS
Data Output Hold After CAS Low
CAS to Data Output Buffer Turn-
off Delay Time
RAS to Data Output Buffer Turn-
off Delay Time
OE to Data Output Buffer Turn-off Delay
Time
WE to Data Output Buffer Turn-
off Delay Time
Transition Time
Refresh Period
RAS Precharge Time
RAS Pulse Width
RAS Pulse Width
(Fast Page Mode with EDO)
RAS Hold Time
RAS Hold Time referenced to OE
CAS Precharge Time
(Fast Page Mode with EDO)
CAS Pulse Width
CAS Hold Time
CAS to RAS Precharge Time
RAS Hold Time from CAS Precharge
OE Hold Time from CAS
(DQ Disable)
Parameter
t
Symbol
HPRWC
t
t
t
t
t
t
t
RHCP
t
t
t
t
t
t
t
t
t
t
RASP
t
t
t
t
t
RWC
DOH
WEZ
ROH
CHO
t
HPC
RAC
CAC
OEA
OEZ
RAS
RSH
CAS
CSH
CRP
t
CPA
CEZ
REZ
REF
t
t
CLZ
RC
AA
RP
CP
t
T
Min.
110
84
58
30
50
50
35
30
MD51V65405
20






0
5
0
0
0
0
1
7
7
7
7
5
5
E-50
100,000
10,000
10,000
Max.
50
13
25
30
13
13
13
13
13
50
64














(V
CC
= 3.3V ± 0.3V, Ta = 0 to 70°C) Note1,2,3
Min.
104
135
68
40
60
60
10
10
10
10
40
35
MD51V65405
25






0
5
0
0
0
0
1
5
5
E-60
100,000
10,000
10,000
Max.
60
15
30
35
15
15
15
15
15
50
64














FEDD51V65405E-03
MD51V65405E
Unit
ms
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
4, 5, 6
Note
4,5
4,6
7,8
7,8
4
4
4
7
7
3
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