參數(shù)資料
型號(hào): AS4C256K16E0-35JC
廠商: ALLIANCE SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 5V 256Kx16 CMOS DRAM (EDO)
中文描述: 256K X 16 EDO DRAM, 35 ns, PDSO40
封裝: 0.400 INCH, PLASTIC, SOJ-40
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 644K
代理商: AS4C256K16E0-35JC
AS4C256K16E0
4/11/01; v.1.1
Alliance Semiconductor
4 of 24
AC parameters common to all waveforms
Shaded areas contain advance information.
Read cycle
Shaded areas contain advance information.
Std
Symbol
Parameter
-30
-35
-50
Unit
Notes
Min
Max
Min
Max
Min
Max
t
RC
t
RP
t
RAS
t
CAS
t
RCD
t
RAD
t
RSH(R)
t
CSH
t
CRP
t
ASR
t
RAH
t
T
t
REF
t
CLZ
Random read or write cycle time
65
70
85
ns
RAS
precharge time
25
25
25
ns
RAS
pulse width
30
75K
35
75K
50
75K
ns
CAS
pulse width
5
6
10
ns
RAS
to
CAS
delay time
15
20
16
24
15
35
ns
6
RAS
to column address delay time
10
14
11
17
15
25
ns
7
CAS
to
RAS
hold time (read cycle)
10
10
10
ns
RAS
to
CAS
hold time
30
35
50
ns
CAS
to
RAS
precharge time
5
5
5
ns
Row address setup time
0
0
0
ns
Row address hold time
5
6
9
ns
Transition time (rise and fall)
1.5
50
1.5
50
3
50
ns
4,5
Refresh period
8
8
8
ms
3
CAS
to output in low Z
0
0
3
ns
8
Std
Symbol
Parameter
-30
-35
-50
Unit
Notes
Min
Max
Min
Max
Min
Max
t
RAC
t
CAC
t
AA
t
AR(R)
t
RCS
t
RCH
Access time from
RAS
30
35
50
ns
6
Access time from
CAS
10
10
10
ns
6,13
Access time from address
16
18
25
ns
7,13
Column add hold from
RAS
26
28
30
ns
Read command setup time
0
0
0
ns
Read command hold time to
CAS
0
0
0
ns
9
tRRH
t
RAL
t
CPN
t
OFF
Read command hold time to
RAS
0
0
0
ns
9
Column address to
RAS
Lead time
16
18
25
ns
CAS
precharge time
3
4
5
ns
Output buffer turn-off time
0
8
0
8
0
8
ns
8,10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS4C256K16E0-45JC 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x16 EDO Page Mode DRAM
AS4C256K16E0-50 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 256Kx16 CMOS DRAM (EDO)
AS4C256K16E050JC 制造商:Alliance Memory Inc 功能描述:
AS4C256K16E0-50JC 制造商:Alliance Memory Inc 功能描述: 制造商:Alliance Memory Inc 功能描述:Dynamic RAM, EDO, 256K x 16, 40 Pin, Plastic, SOJ
AS4C256K16E0-50TC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:5V 256Kx16 CMOS DRAM (EDO)