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M95512-R 数据表(PDF) 23 Page - STMicroelectronics |
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M95512-R 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 31 page ![]() 23/31 M95512-W, M95512-R Table 14. AC Characteristics (M95512-W, Device Grade 6) Note: 1. tCH + tCL must never be less than the shortest possible clock period, 1 / fC(max). 2. Value guaranteed by characterization, not 100% tested in production. 3. The information contained in Table 14. is subject to change without previous notice. Test conditions specified in Table 10. and Table 8. Symbol Alt. Parameter VCC = 2.5V VCC = 4.5V Unit Min.(3) Max.(3) Min.(3) Max.(3) fC fSCK Clock Frequency D.C. 5 D.C. 10 MHz tSLCH tCSS1 S Active Setup Time 90 15 ns tSHCH tCSS2 S Not Active Setup Time 90 15 ns tSHSL tCS S Deselect Time 100 40 ns tCHSH tCSH S Active Hold Time 90 25 ns tCHSL S Not Active Hold Time 90 15 ns tCH (1) tCLH Clock High Time 90 40 ns tCL (1) tCLL Clock Low Time 90 40 ns tCLCH (2) tRC Clock Rise Time 1 1 µs tCHCL (2) tFC Clock Fall Time 1 1 µs tDVCH tDSU Data In Setup Time 20 15 ns tCHDX tDH Data In Hold Time 30 15 ns tHHCH Clock Low Hold Time after HOLD not Active 70 15 ns tHLCH Clock Low Hold Time after HOLD Active 40 20 ns tCLHL Clock Low Set-up Time before HOLD Active 00 ns tCLHH Clock Low Set-up Time before HOLD not Active 00 ns tSHQZ (2) tDIS Output Disable Time 100 25 ns tCLQV tV Clock Low to Output Valid 60 25 ns tCLQX tHO Output Hold Time 0 0 ns tQLQH (2) tRO Output Rise Time 50 20 ns tQHQL (2) tFO Output Fall Time 50 20 ns tHHQV tLZ HOLD High to Output Valid 50 25 ns tHLQZ (2) tHZ HOLD Low to Output High-Z 100 25 ns tW tWC Write Time 5 5 ms |
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