參數(shù)資料
型號(hào): KM416V254D
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 256K x 16Bit CMOS Dynamic RAM with Extended Data Out
中文描述: 256 × 16Bit的CMOS動(dòng)態(tài)RAM的擴(kuò)展數(shù)據(jù)輸出
文件頁(yè)數(shù): 6/36頁(yè)
文件大?。?/td> 840K
代理商: KM416V254D
KM416C254D, KM416V254D
CMOS DRAM
AC CHARACTERISTICS
(Continued)
Note) *1 : 5V only
Parameter
Symbol
-5
*1
-6
-7
Units
Notes
Min
Max
Min
Max
Min
Max
Data set-up time
t
DS
t
DH
t
REF
t
REF
t
CWD
t
RWD
t
AWD
t
CPWD
t
CSR
t
CHR
t
RPC
t
CPT
t
CPA
t
HPC
t
HPRWC
t
CP
t
RASP
t
RHCP
t
OEA
t
OED
t
OEZ
t
OEH
t
DOH
t
REZ
t
WEZ
t
WED
t
OCH
t
CHO
t
OEP
t
WPE
t
RASS
t
RPS
t
CHS
0
0
0
ns
9,19
Data hold time
8
10
15
ns
9,19
Refresh period (Normal)
8
8
8
ms
Refresh period (L-ver)
128
128
128
ms
CAS to W delay time
32
32
42
ns
7,15
RAS to W delay time
67
77
92
ns
7
Column address to W delay time
42
47
57
ns
7
CAS precharge to W delay time
45
52
62
ns
7
CAS set-up time (CAS -before-RAS refresh)
5
5
5
ns
17
CAS hold time (CAS -before-RAS refresh)
10
10
10
ns
18
RAS to CAS precharge time
5
5
5
ns
CAS precharge time (C-B-R counter test cycle)
20
20
25
ns
Access time from CAS precharge
28
35
40
ns
3
Hyper Page mode cycle time
20
25
30
ns
11
Hyper Page read-modify-write cycle time
57
66
81
ns
11
CAS precharge time (Hyper Page cycle)
8
10
10
ns
14
RAS pulse width (Hyper Page cycle)
50
100K
60
100K
70
100K
ns
RAS hold time from CAS precharge
30
35
40
ns
OE access time
15
15
20
ns
3
OE to data delay
13
13
18
ns
Output buffer turn off delay time from OE
3
13
3
13
3
18
ns
6
OE command hold time
15
15
20
ns
Output data hold time
5
5
5
ns
Output buffer turn off delay from RAS
3
15
3
15
3
20
ns
6,12
Output buffer turn off delay from W
3
13
3
13
3
18
ns
6
W to data delay
13
13
18
ns
OE to CAS hold time
5
5
5
ns
CAS hold time to OE
5
5
5
ns
OE precharge time
5
5
5
ns
W pulse width (Hyper Page Cycle)
5
5
5
ns
RAS pulse width (C-B-R self refresh)
100
100
100
us
20,21,22
RAS precharge time (C-B-R self refresh)
90
110
130
ns
20,21,22
CAS hold time (C-B-R self refresh)
-50
-50
-50
ns
20,21,22
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KM416V256D 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:256K x 16Bit CMOS Dynamic RAM with Fast Page Mode
KM416V256DT-L6 制造商:Samsung Electro-Mechanics 功能描述:Dynamic RAM, Fast Page, 256K x 16, 44 Pin, Plastic, TSOP
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KM416V4000C 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:4M x 16bit CMOS Dynamic RAM with Fast Page Mode
KM416V4004B 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:4M x 16bit CMOS Dynamic RAM with Extended Data Out