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K4S64323LH-HC1H Datasheet(PDF) 8 Page - Samsung semiconductor |
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K4S64323LH-HC1H Datasheet(HTML) 8 Page - Samsung semiconductor |
8 / 12 page K4S64323LH - F(H)E/N/G/C/L/F February 2004 Mobile-SDRAM AC CHARACTERISTICS(AC operating conditions unless otherwise noted) NOTES : 1. Parameters depend on programmed CAS latency. 2. If clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter. 3. Assumed input rise and fall time (tr & tf) = 1ns. If tr & tf is longer than 1ns, transient time compensation should be considered, i.e., [(tr + tf)/2-1]ns should be added to the parameter. Parameter Symbol - 60 - 75 -1H -1L Unit Note Min Max Min Max Min Max Min Max CLK cycle time CAS latency=3 tCC 6.0 1000 7.5 1000 9.5 1000 9.5 1000 ns 1 CAS latency=2 tCC - 9.5 9.5 12 CAS latency=1 tCC - - - 25 CLK to valid output delay CAS latency=3 tSAC 5.4 6 7 7 ns 1,2 CAS latency=2 tSAC - 7 7 8 CAS latency=1 tSAC - - - 20 Output data hold time CAS latency=3 tOH 2.5 2.5 2.5 2.5 ns 2 CAS latency=2 tOH - 2.5 2.5 2.5 CAS latency=1 tOH - - - 2.5 CLK high pulse width tCH 2.5 2.5 3 3 ns 3 CLK low pulse width tCL 2.5 2.5 3 3 ns 3 Input setup time tSS 2.0 2.0 2.5 2.5 ns 3 Input hold time tSH 1.0 1.0 1.5 1.5 ns 3 CLK to output in Low-Z tSLZ 1 1 1 1 ns 2 CLK to output in Hi-Z CAS latency=3 tSHZ 5.4 6 7 7 ns CAS latency=2 - 7 7 8 CAS latency=1 - - - 20 |
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