參數(shù)資料
型號(hào): HYB314405BJL-70
廠商: SIEMENS A G
元件分類: DRAM
英文描述: 1M x 4-Bit Dynamic RAM
中文描述: 1M X 4 EDO DRAM, 70 ns, PDSO20
封裝: 0.300 INCH, PLASTIC, SOJ-26
文件頁(yè)數(shù): 8/25頁(yè)
文件大小: 1363K
代理商: HYB314405BJL-70
Semiconductor Group
8
HYB 314405BJ/BJL-50/-60/-70
3.3V 1M x 4 EDO - DRAM
Write command setup time
Write command to RAS lead time
t
RWL
Write command to CAS lead time
t
CWL
Data setup time
t
WCS
0
0
0
ns
15
13
15
17
ns
13
15
17
ns
t
DS
t
DH
0
0
0
ns
16
Data hold time
8
10
12
ns
16
Read-modify-Write Cycle
Read-write cycle time
t
RWC
t
RWD
t
CWD
t
AWD
118
138
162
ns
RAS to WE delay time
64
77
89
ns
15
CAS to WE delay time
27
32
36
ns
15
Column address to WE delay
time
39
47
54
ns
15
OE command hold time
t
OEH
10
13
15
ns
Hyper Page Mode (EDO) Cycle
Hyper page mode (EDO) cycle
time
t
HPC
20
25
30
ns
CAS precharge time
t
CP
t
CPA
8
10
10
ns
Access time from CAS
precharge
27
32
37
ns
7
Output data hold time
t
COH
t
RAS
5
5
5
ns
RAS pulse width in hyper page
mode
50
200 k 60
200 k 70
200 k ns
CAS precharge to RAS Delay
t
RHCP
27
32
37
ns
Hyper Page Mode (EDO) Read-modify-Write Cycle
Hyper page mode (EDO) read-
write cycle time
t
PRWC
58
68
77
ns
CAS precharge to WE
t
CPWD
41
49
56
ns
AC Characteristics
(cont’d)
5)6)
T
A
= 0 to 70 C,
V
CC
= 3.3 V
±
0.3 V,
t
T
= 2 ns
Parameter
Symbol
Limit Values
Unit
Note
-50
-60
-70
min.
max. min.
max. min.
max.
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