IBM0316409C IBM0316809C
IBM0316169C
16Mbit Synchronous DRAM
Write Cycle
-10
-11
-12
-13
Symbol
Parameter
Data In Set-up Time
Units
Notes
Min. Max. Min. Max. Min. Max. Min. Max.
tDS
tDH
3
1
—
—
3
1
—
—
3.5
1.5
—
—
3.5
1.5
—
—
ns
ns
Data In Hold Time
1CLK
+10
1CLK
+11
1CLK
+12
1CLK
+13
tDPL3
Data input to Precharge, CAS Latency = 3
—
—
—
—
ns
tDPL2
tDPL1
Data input to Precharge, CAS Latency = 2
Data input to Precharge, CAS Latency = 1
15
15
—
—
16.5
16.5
—
—
18
18
—
—
19.5
19.5
—
—
ns
ns
2CLK
+30
2CLK
+33
2CLK
+36
2CLK
+39
tDAL3
tDAL2
tDAL1
tDQW
1.
Data In to Active/Refresh, CAS Latency = 3
Data In to Active/Refresh, CAS Latency = 2
—
—
—
—
—
—
—
—
ns
ns
1
1
1
1CLK
+30
1CLK
+33
1CLK
+36
1CLK
+39
1CLK
+30
1CLK
+33
1CLK
+36
1CLK
+39
Data In to Active/Refresh, CAS Latency = 1
DQM Write Mask Latency
—
—
—
—
—
—
—
—
ns
0
0
0
0
CLK
t
DAL is equivalent to tDPL + tRP.
Clock Frequency and Latency
Speed Sort
Symbol
Parameter
Units
Notes
-10
-11
-12
56
18
2
-13
fCK
tCK
Clock Frequency
Clock Cycle Time
CAS Latency
100 66
33
91
61
30
83
12
3
28
36
1
77
51
26
MHz
ns
10
3
15
2
30
1
11 16.5 33
13 19.5 39
tAA
tCK
tCK
tCK
tCK
tCK
µs
3
3
6
8
5
2
2
4
5
3
1
1
2
3
2
3
3
6
8
5
2
2
4
5
3
1
1
2
3
2
tRCD
tRL
RAS to CAS Delay
RAS Latency
3
2
1
3
2
1
6
4
2
6
4
2
tRC
Bank Cycle Time
Minimum Bank Active Time
8
5
3
8
5
3
tRAS
tRAS
tRP
5
3
2
5
3
2
Maximum Bank Active Time 120 120 120 120 120 120 120 120 120 120 120 120
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
tCK
Precharge Time
3
2
5
3
1
0
0
2
1
2
1
3
2
1
0
0
2
1
1
1
2
1
1
0
0
2
1
3
2
5
3
1
0
0
2
1
2
1
3
2
1
0
0
2
1
1
1
2
1
1
0
0
2
1
3
2
5
3
1
0
0
2
1
2
1
3
2
1
0
0
2
1
1
1
2
1
1
0
0
2
1
3
2
5
3
1
0
0
2
1
2
1
3
2
1
0
0
2
1
1
1
2
1
1
0
0
2
1
tDPL
tDAL
tRRD
tCCD
tWL
Data In to Precharge
Data In to Active/Refresh
Bank to Bank Delay Time
CAS to CAS Delay Time
Write Latency
tDQW
tDQZ
tCSL
DQM Write Mask Latency
DQM Data Disable Latency
Clock Suspend Latency
©IBM Corporation, 1996. All rights reserved.
Use is further subject to the provisions at the end of this document.
07H3997
SA14-4711-02
Revised 05/96
Page 37 of 100
IBM [ IBM ]
