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M95320 数据表(PDF) 28 Page - STMicroelectronics |
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M95320 数据表(HTML) 28 Page - STMicroelectronics |
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28 / 42 page ![]() M95640, M95320 28/42 Table 22. AC Characteristics (M95320 and M95640, Device Grade 6) Note: 1. tCH + tCL must never be lower than the shortest possible clock period, 1/fC(max). 2. Value guaranteed by characterization, not 100% tested in production. 3. Previous product version is identified by Process Identification letter ‘S’. 4. Current product version is identified by Process Identification letter ‘V’’. 5. New product version is identified by Process Identification letter ‘P’. 6. Preliminary Data. Test conditions specified in Table 14. and Table 10. Symbol Alt. Parameter Previous Product Version 3 Current Product Version4 New Product Version5,6 Unit Min. Max. Min. Max. Min. Max. fC fSCK Clock Frequency D.C. 5 D.C. 10 D.C. 20 MHz tSLCH tCSS1 S Active Setup Time 90 15 15 ns tSHCH tCSS2 S Not Active Setup Time 90 15 15 ns tSHSL tCS S Deselect Time 100 40 20 ns tCHSH tCSH S Active Hold Time 90 25 15 ns tCHSL S Not Active Hold Time 90 15 15 ns tCH 1 tCLH Clock High Time 90 40 20 ns tCL 1 tCLL Clock Low Time 90 40 20 ns tCLCH 2 tRC Clock Rise Time 1 1 2 µs tCHCL 2 tFC Clock Fall Time 1 1 2 µs tDVCH tDSU Data In Setup Time 20 15 5 ns tCHDX tDH Data In Hold Time 30 15 10 ns tHHCH Clock Low Hold Time after HOLD not Active 70 15 15 ns tHLCH Clock Low Hold Time after HOLD Active 40 20 15 ns tCLHL Clock Low Set-up Time before HOLD Active 0 0 0 ns tCLHH Clock Low Set-up Time before HOLD not Active 00 0 ns tSHQZ 2 tDIS Output Disable Time 100 25 20 ns tCLQV tV Clock Low to Output Valid 60 25 20 ns tCLQX tHO Output Hold Time 0 0 0 ns tQLQH 2 tRO Output Rise Time 50 20 20 ns tQHQL 2 tFO Output Fall Time 50 20 20 ns tHHQV tLZ HOLD High to Output Valid 50 25 20 ns tHLQZ 2 tHZ HOLD Low to Output High-Z 100 25 20 ns tW tWC Write Time 10 5 5 ms |
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