參數(shù)資料
型號: HM5117405S-5
元件分類: DRAM
英文描述: 4M X 4 EDO DRAM, 50 ns, PDSO24
封裝: 0.300 INCH, PLASTIC, SOJ-26/24
文件頁數(shù): 3/35頁
文件大?。?/td> 346K
代理商: HM5117405S-5
HM5116405 Series, HM5117405 Series
11
AC Characteristics (Ta = 0 to +70
°C, V
CC = 5 V ±10%, VSS = 0 V) *
1, *2, *18
Test Conditions
Input rise and fall time: 2 ns
Input levels: V
IL = 0 V, VIH = 3 V
Input timing reference levels: 0.8 V, 2.4 V
Output timing reference levels: 0.8 V, 2.0 V
Output load: 1 TTL gate + C
L (100 pF) (Including scope and jig)
Read, Write, Read-Modify-Write and Refresh Cycles (Common parameters)
HM5116405/HM5117405
-5
-6
-7
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Unit
Notes
Random read or write cycle time
t
RC
84
104
124
ns
RAS precharge time
t
RP
30
40
50
ns
CAS precharge time
t
CP
7—10
13
—ns
RAS pulse width
t
RAS
50
10000 60
10000 70
10000 ns
CAS pulse width
t
CAS
7
10000 10
10000 13
10000 ns
Row address setup time
t
ASR
0—0—0—ns
Row address hold time
t
RAH
7—10
10
—ns
Column address setup time
t
ASC
0—0—0—ns
Column address hold time
t
CAH
7—10
13
—ns
RAS to CAS delay time
t
RCD
11
37
14
45
14
52
ns
3
RAS to column address delay time t
RAD
9
2512
3012
35ns
4
RAS hold time
t
RSH
10
13
13
ns
CAS hold time
t
CSH
35
40
45
ns
CAS to RAS precharge time
t
CRP
5—5—5—ns
OE to Din delay time
t
OED
13
15
18
ns
5
OE delay time from Din
t
DZO
0—0—0—ns
6
CAS delay time from Din
t
DZC
0—0—0—ns
6
Transition time (rise and fall)
t
T
250
2
50
250
ns
7
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