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Timing Parameters Show Part Numbers Hide Part Numbers 5000199, 5000236, 5000237, 5000238, 5000239, 5000240, 5000241, 5000242, 6617582, MEMDIM015AAWW
| Parameter |
Symbol |
CL = 2 |
CL = 3 |
Units |
| |
|
Minimum |
Maximum |
Minimum |
Maximum |
|
| Clock period |
Tclk |
15 |
|
15 |
|
ns |
| Clock high time |
Tch |
5 |
|
5 |
|
ns |
| Clock low time |
Tcl |
5 |
|
5 |
|
ns |
|
Input setup times |
Tsi |
|
|
|
|
ns |
|
DQM#/CS# |
|
3 |
|
3 |
|
ns |
|
Other |
|
3 |
|
3 |
|
ns |
|
Input hold times |
Thi |
|
|
|
|
ns |
|
DQM#/CS# |
|
1.5 |
|
1.5 |
|
ns |
|
Other |
|
1.5 |
|
1.5 |
|
ns |
|
Output valid from clock |
Tac |
|
|
|
|
ns |
|
Restricted configuration |
|
|
10.0 |
|
|
ns |
|
General configuration |
|
|
9.0 |
|
9.0 |
ns |
|
Output hold from clock |
Toh |
3 |
|
3 |
|
ns |
|
CAS to CAS delay |
Tccd |
1 |
|
1 |
|
Tclk |
|
CAS Bank Delay |
Tcbd |
1 |
|
1 |
|
Tclk |
|
CKE to clock disable |
Tcke |
1 |
1 |
1 |
1 |
Tclk |
|
RAS precharge time |
Trp |
3 |
|
3 |
|
Tclk |
|
RAS Active Time |
Tras |
4 |
|
5 |
|
Tclk |
|
Activate to command delay (RAS to CAS Delay) |
Trcd |
2 |
|
2 |
|
Tclk |
|
RAS to RAS bank activate delay |
Trrd |
2 |
|
2 |
|
Tclk |
|
RAS cycle time |
Trc |
7 |
|
8 |
|
Tclk |
|
DQM to input data delay |
Tdqd |
0 |
0 |
0 |
0 |
Tclk |
|
Write Cmd. to input data delay |
Tdwd |
0 |
0 |
0 |
0 |
Tclk |
|
Mode register set to active delay |
Tmrd |
3 |
|
3 |
|
Tclk |
|
Precharge to O/P in High-Z |
Troh |
2 |
|
3 |
|
Tclk |
|
DQM to data in HiZ for read |
Tdqz |
2 |
2 |
3 |
3 |
Tclk |
|
Data in to precharge |
Tdpl |
2 |
|
2 |
|
Tclk |
|
Data in to activate/refresh |
Tdal |
5 |
|
5 |
|
Tclk |
|
DQM to Data mask for write |
Tdqm |
0 |
0 |
0 |
0 |
Tclk |
|
Power down mode entry |
Tsb |
|
1 |
|
1 |
Tclk |
|
Self Refresh exit time |
Tsrx |
10 |
|
10 |
|
ns |
|
Power down exit set up time |
Tpde |
11 |
|
11 |
|
ns |
Note: DIMMs which are intended for 66 megahertz (Mhz) CAS Latency 2 must also support 66 Mhz CAS Latency 3
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