RAM Latency Calculator

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Calculates the actual latency (in nanoseconds) of RAM based on its clock speed and CAS latency timings.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Clock Speed (MHz) and CAS Latency (CL) in the units shown.

Step 2

Read Clock Cycles Per Second (in Hz), Cycle Time (seconds), and Latency (ns) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Clock Speed (MHz): 3,200; CAS Latency (CL): 16

Clock Cycles Per Second (in Hz): 3,200,000,000; Cycle Time (seconds): 0.0000000003125 s; Latency (ns): 5 ns

Clock Speed (MHz): 2,400; CAS Latency (CL): 15

Clock Cycles Per Second (in Hz): 2,400,000,000; Cycle Time (seconds): 0.0000000004166666667 s; Latency (ns): 6.25 ns

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