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参数资料
| 型号： | MSM514256CL |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | 256K×4 Dynamic RAM(256K×4动态RAM) |
| 中文描述： | 256K × 4动态RAM（256K × 4动态内存） |
| 文件页数： | 7/17页 |
| 文件大小： | 257K |
| 代理商： | MSM514256CL |
7/17
Semiconductor
MSM514256C/CL
AC Characteristics (2/2)
Read Command Set-up Time
Read Command Hold Time
Read Command Hold Time referenced to
RAS
Write Command Set-up Time
Write Command Hold Time
Write Command Hold Time from
RAS
Write Command Pulse Width
OE
Command Hold Time
t
RCS
t
RCH
t
RRH
t
WCS
t
WCH
t
WCR
t
WP
t
OEH
Write Command to
RAS
Lead Time
Write Command to
CAS
Lead Time
Data-in Set-up Time
Data-in Hold Time
Data-in Hold Time from
RAS
OE
to Data-in Delay Time
t
RWL
t
CWL
t
DS
t
DH
t
DHR
t
OED
CAS
to
WE
Delay Time
Column Address to
WE
Delay Time
RAS
to
WE
Delay Time
CAS
Precharge
WE
Delay Time
t
CWD
t
AWD
t
RWD
t
CPWD
CAS
Active Delay Time from
RAS
Precharge
RAS
to
CAS
Set-up Time (
CAS
before
RAS
)
RAS
to
CAS
Hold Time (
CAS
before
RAS
)
t
RPC
t
CSR
t
CHR
Parameter
MSM514256
C/CL-45
MSM514256
C/CL-50
MSM514256
C/CL-60
MSM514256
C/CL-70
(V
CC
= 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 4, 5
Symbol
Min.
0
0
0
0
10
35
10
12
14
14
0
12
35
12
36
48
70
50
0
10
25
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min.
0
0
0
0
10
40
10
13
14
14
0
13
40
13
38
52
75
53
0
10
25
Max. Min.
—
—
—
—
—
—
—
0
0
0
0
10
50
10
15
15
15
0
15
50
15
50
60
90
60
0
10
30
Max. Min.
—
—
—
—
—
—
—
0
0
0
0
15
55
15
20
20
20
0
15
55
20
50
65
100
70
0
10
30
Max.
—
—
—
—
—
—
—
Note
10
10
11
12
12
11
11
11
11
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
相关PDF资料 |
PDF描述 |
|---|---|
| MSM514262-10 | 262,144-Word x 4-Bit Multiport DRAM |
| MSM514262-80 | 262,144-Word x 4-Bit Multiport DRAM |
| MSM514262 | 262,144-Word x 4-Bit Multiport DRAM |
| MSM514262-10ZS | 262,144-Word x 4-Bit Multiport DRAM |
| MSM514262-70JS | 262,144-Word x 4-Bit Multiport DRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MSM514260C | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:262,144-Word x 16-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM514260CSL | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:262,144-Word x 16-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM514260E | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:262,144-Word x 16-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM514260E-60 | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:262,144-Word x 16-Bit DYNAMIC RAM : FAST PAGE MODE TYPE |
| MSM514260E-60J3-7 | 制造商:ROHM Semiconductor 功能描述: |
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