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MSM514262-80JS Datasheet(PDF) 6 Page - OKI electronic componets

Part # MSM514262-80JS
Description  262,144-Word x 4-Bit Multiport DRAM
PDF  45 Pages
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Manufacturer  OKI [OKI electronic componets]
Direct Link  http://www.oki.com
Logo OKI - OKI electronic componets

MSM514262-80JS Datasheet(HTML) 6 Page - OKI electronic componets

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¡ Semiconductor
MSM514262
6/45
AC Characteristics (1/3)
Parameter
Symbol
Note
Unit
ns
180
150
—
140
ns
55
40
35
—
ns
25
25
20
—
ns
50
45
40
—
ns
35
3
35
3
35
3
ns
100k
100
100k
80
100k
70
tRC
tPRWC
tAA
tCAC
tCPA
tRASP
tCAS
tRCD
Max.
Min.
Max.
Min.
Max.
Min.
-10
-80
-70
ns
100
90
—
90
ns
10k
25
10k
25
10k
20
13
20
20
20
ns
55
50
—
45
tPC
tRAC
ns
100
80
70
—
9
ns
20
0
20
0
20
0
tOFF
ns
—
70
—
60
—
60
ns
—
25
—
25
—
20
tRSH
ns
—
100
—
80
—
70
tCSH
tT
tRP
ns
10k
100
10k
80
10k
70
tRAS
tRAD
13
20
15
15
tASR
0
0
0
tRAH
10
10
10
tASC
0
0
0
tCAH
15
15
15
tAR
70
55
55
tRCS
0
0
0
tRCH
10
0
0
0
tRRH
10
0
0
0
tWCH
15
15
15
tWCR
70
55
55
tWP
15
15
15
tRWL
25
20
20
tCWL
25
20
20
7, 13
7, 14
7, 14
7, 13
6
ns
75
55
50
ns
50
40
35
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
235
195
—
195
tRWC
tRAL
tCRP
ns
—
55
—
40
—
35
10
10
10
tCP
10
10
10
ns
ns
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Access Time from Column Address
Column Address Hold Time referenced to RAS
Column Address Set-up Time
Row Address Set-up Time
Access Time from CAS
Column Address Hold Time
CAS Pulse Width
CAS Precharge Time (Fast Page Mode)
Access Time from CAS Precharge
CAS to RAS Precharge Time
CAS Hold Time
Write Command to CAS Lead Time
Output Buffer Turn-off Delay
Fast Page Mode Cycle Time
Fast Page Mode Read Modify Write Cycle Time
Row Address Hold Time
RAS Pulse Width (Fast Page Mode Only)
Random Read or Write Cycle Time
RAS to CAS Delay Time
Read Command Hold Time
Read Command Set-up Time
Read Modify Write Cycle Time
RAS Precharge Time
Read Command Hold Time referenced to RAS
Write Command to RAS Lead Time
Access Time from RAS
RAS to Column Address Delay Time
Column Address to RAS Lead Time
RAS Pulse Width
RAS Hold Time
Transition Time (Rise and Fall)
Write Command Hold Time referenced to RAS
Write Command Pulse Width
Write Command Hold Time
tCPN
10
10
10
ns
—
—
—
CAS Precharge Time
(VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 4, 5, 6



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