參數(shù)資料
型號: HB56U432SB-5N
元件分類: DRAM
英文描述: 4M X 32 EDO DRAM MODULE, 50 ns, SMA72
封裝: SIP-72
文件頁數(shù): 4/25頁
文件大?。?/td> 277K
代理商: HB56U432SB-5N
HB56U832 Series, HB56U432 Series
12
Read Cycle
50 ns
60 ns
70 ns
Parameter
Symbol Min
Max
Min
Max
Min
Max
Unit
Notes
Access time from
RAS
t
RAC
50
60
70
ns
6, 7
Access time from
CAS
t
CAC
13
15
18
ns
7, 8, 15
Access time from address
t
AA
25
30
35
ns
7, 9, 15
Read command setup time
t
RCS
0—
ns
Read command hold time to
CAS
t
RCH
0—
ns
10
Read command hold time
from
RAS
t
RCHR
50
60
70
ns
Read command hold time to
RAS
t
RRH
5—
ns
10
Column address to
RAS
lead time
t
RAL
25
30
35
ns
Column address to
CAS
lead time
t
CAL
15
18
23
ns
CAS to output in low-Z
t
CLZ
0—
ns
Output data hold time
t
OH
3—
ns
19
Output buffer turn-off time
t
OFF
13
15
15
ns
11, 19
CAS to Din delay time
t
CDD
13
15
18
ns
Output data hold time from
RAS
t
OHR
3—
ns
19
Output buffer turn-off time to
RAS
t
OFR
—13
15
—15
ns
19
Output buffer turn-off to
WE t
WEZ
—13
15
—15
ns
WE to Din delay time
t
WED
13
15
18
ns
RAS to Din delay time
t
RDD
13
15
18
ns
RAS to next CAS delay time t
RNCD
50
60
70
ns
Write Cycle
50 ns
60 ns
70 ns
Parameter
Symbol Min
Max
Min
Max
Min
Max
Unit
Notes
Write command setup time
t
WCS
0—
ns
12
Write command hold time
t
WCH
7
10
13
ns
Write command pulse width
t
WP
7
10
10
ns
Data-in setup time
t
DS
0—
ns
13
Data-in hold time
t
DH
7
10
13
ns
13
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