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參數(shù)資料
| 型號(hào)： | K4F641612C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | RES, FXD, MF, CHIP, 21.5K, 1%, 1/16W, 0603 |
| 中文描述： | 4米× 16位的CMOS動(dòng)態(tài)隨機(jī)存儲(chǔ)器的快速頁(yè)面模式 |
| 文件頁(yè)數(shù)： | 5/35頁(yè) |
| 文件大小： | 844K |
| 代理商： | K4F641612C |
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CMOS DRAM
K4F661612C,
K4F641612C
CAPACITANCE
(T
A
=25
°
C, V
CC
=3.3V, f=1MHz)
Parameter
Symbol
Min
Max
Units
Input capacitance [A0 ~ A12]
C
IN1
-
5
pF
Input capacitance [RAS, UCAS, LCAS, W, OE]
C
IN2
-
7
pF
Output capacitance [DQ0 - DQ15]
C
DQ
-
7
pF
Test condition : V
CC
=3.3V
±
0.3V, Vih/Vil=2.2/0.7V, Voh/Vol=2.0/0.8V
Parameter
Symbol
-45
-50
-60
Units
Note
Min
Max
Min
Max
Min
Max
Random read or write cycle time
t
RC
80
90
110
ns
Read-modify-write cycle time
t
RWC
115
133
153
ns
Access time from RAS
t
RAC
t
CAC
45
50
60
ns
3,4,10
Access time from CAS
12
13
15
ns
3,4,5
Access time from column address
t
AA
23
25
30
ns
3,10
CAS to output in Low-Z
t
CLZ
0
0
0
ns
3
Output buffer turn-off delay
t
OFF
0
13
0
13
0
13
ns
6
Transition time (rise and fall)
t
T
1
50
1
50
1
50
ns
2
RAS precharge time
t
RP
t
RAS
25
30
40
ns
RAS pulse width
45
10K
50
10K
60
10K
ns
RAS hold time
t
RSH
12
13
15
ns
CAS hold time
t
CSH
45
50
60
ns
CAS pulse width
t
CAS
12
10K
13
10K
15
10K
ns
RAS to CAS delay time
t
RCD
18
33
20
37
20
45
ns
4
RAS to column address delay time
t
RAD
t
CRP
13
22
15
25
15
30
ns
10
CAS to RAS precharge time
5
5
5
ns
Row address set-up time
t
ASR
0
0
0
ns
Row address hold time
t
RAH
8
10
10
ns
Column address set-up time
t
ASC
0
0
0
ns
13
Column address hold time
t
CAH
t
RAL
8
10
10
ns
13
Column address to RAS lead time
23
25
30
ns
Read command set-up time
t
RCS
0
0
0
ns
Read command hold time referenced to CAS
t
RCH
0
0
0
ns
8
Read command hold time referenced to RAS
t
RRH
0
0
0
ns
8
Write command hold time
t
WCH
8
10
10
ns
Write command pulse width
t
WP
t
RWL
8
10
10
ns
Write command to RAS lead time
13
15
15
ns
Write command to CAS lead time
t
CWL
12
13
15
ns
16
Data set-up time
t
DS
0
0
0
ns
9,19
Data hold time
t
DH
10
10
10
ns
9,19
AC CHARACTERISTICS
(0
°
C
≤
T
A
≤
70
°
C, See note 2)
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| K4F661612C | 4M x 16bit CMOS Dynamic RAM with Fast Page Mode |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| K4F641612C-L | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:4M x 16bit CMOS Dynamic RAM with Fast Page Mode |
| K4F641612C-TC | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:4M x 16bit CMOS Dynamic RAM with Fast Page Mode |
| K4F641612C-TL50 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:4M x 16bit CMOS Dynamic RAM with Fast Page Mode |
| K4F641612D | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:4M X 16BIT CMOS DYNAMIC RAM WITH FAST PAGE MODE |
| K4F641612D-TI | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:4M X 16BIT CMOS DYNAMIC RAM WITH FAST PAGE MODE |
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