HM51W16165 Series, HM51W18165 Series
Read Cycle
HM51W16165/HM51W18165
-5 -6 -7
Symbol Min Max Min Max Min
Parameter
Max Unit
Notes
8, 9
Access time from RAS
Access time from CAS
Access time from address
Access time from OE
tRAC
tCAC
tAA
—
—
—
—
0
50
13
25
13
—
—
—
—
—
—
—
0
60
15
30
15
—
—
—
—
—
—
—
0
70
18
35
18
—
—
—
ns
ns
ns
ns
ns
ns
ns
9, 10, 17
9, 11, 17
9
tOEA
tRCS
tRCH
tRCHR
Read command setup time
Read command hold time to CAS
21
0
0
0
12, 22
Read command hold time from
50
60
70
RAS
Read command hold time to RAS
tRRH
0
—
—
—
—
—
—
13
13
—
—
13
13
—
—
—
0
—
—
—
—
—
—
15
15
—
—
15
15
—
—
—
0
—
—
—
—
—
—
15
15
—
—
15
15
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
27
Column address to RAS lead time tRAL
Column address to CAS lead time tCAL
25
15
0
30
18
0
35
23
0
CAS to output in low-Z
tCLZ
Output data hold time
tOH
3
3
3
Output data hold time from OE
Output buffer turn-off time
Output buffer turn-off to OE
CAS to Din delay time
tOHO
tOFF
tOEZ
tCDD
tOHR
tOFR
tWEZ
tWED
tRDD
tRNCD
3
3
3
—
—
13
3
—
—
15
3
—
—
18
3
13, 27
13
5
Output data hold time from RAS
Output buffer turn-off to RAS
Output buffer turn-off to WE
WE to Din delay time
27
—
—
13
13
50
—
—
15
15
60
—
—
18
18
70
27
RAS to Din delay time
RAS next CAS delay time
Data Sheet E0153H10
12
ELPIDA [ ELPIDA MEMORY ]
