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參數(shù)資料
| 型號(hào)： | K4S643232H-TL60 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 64Mb H-die (x32) SDRAM Specification |
| 中文描述： | 64兆?芯片（X32號(hào)）內(nèi)存規(guī)格 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 117K |
| 代理商： | K4S643232H-TL60 |
CMOS SDRAM
- 10
SDRAM 64Mb H-die (x32)
Rev. 1.3 February. 2004
AC OPERATING TEST CONDITIONS
(V
DD
= 3.3V
±
0.3V, T
A
= 0 to 70
°
C)
Parameter
Value
Unit
AC input levels (Vih/Vil)
2.4/0.4
V
Input timing measurement reference level
1.4
V
Input rise and fall time
tr/tf = 1/1
ns
Output timing measurement reference level
1.4
V
Output load condition
See Fig. 2
3.3V
1200
870
Output
30pF
V
OH
(DC) = 2.4V, I
OH
= -2mA
V
OL
(DC) = 0.4V, I
OL
= 2mA
Vtt = 1.4V
50
Output
30pF
Z0 = 50
(Fig. 2) AC output load circuit
(Fig. 1) DC output load circuit
1. The minimum number of clock cycles is determined by dividing the minimum time required with clock cycle time and then
rounding off to the next higher integer. Refer to the following ns-unit based AC table.
2. Minimum delay is required to complete write.
3. All parts allow every cycle column address change.
4. In case of row precharge interrupt, auto precharge and read burst stop.
Note :
OPERATING AC PARAMETER
(AC operating conditions unless otherwise noted)
Parameter
Symbol
Version
Unit
Note
50
55
60
70
Row active to row active delay
RAS to CAS delay
Row precharge time
t
RRD(min)
t
RCD(min)
t
RP(min)
t
RAS(min)
t
RAS(max)
2
CLK
CLK
CLK
CLK
us
1
1
1
1
3
3
8
2
2
5
3
3
7
2
2
5
3
3
7
2
2
5
3
3
7
2
2
5
Row active time
100
Row cycle time
t
RC
(
min
)
11
7
10
7
10
7
10
7
CLK
1
Last data in to row precharge
Last data in to new col.address delay
Last data in to burst stop
Col. address to col. address delay
Mode Register Set cycle time
t
RDL(min)
t
CDL(min)
t
BDL(min)
t
CCD(min)
t
MRS(min)
2
1
1
1
2
2
1
CLK
CLK
CLK
CLK
CLK
2
2
2
3
Number of valid
output data
CAS Latency=3
CAS Latency=2
ea
4
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| K4S643232H-TL70 | 制造商:SAMSUNG 制造商全稱(chēng):Samsung semiconductor 功能描述:64Mb H-die (x32) SDRAM Specification |
| K4S643232H-UC50 | 制造商:Samsung Semiconductor 功能描述: 制造商:Samsung Electro-Mechanics 功能描述:SDRAM, 2M x 32, 86 Pin, Plastic, TSSOP 制造商:Samsung Semiconductor 功能描述:SDRAM, 2M x 32, 86 Pin, Plastic, TSSOP |
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