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M95128-RMB6TG 数据表(PDF) 38 Page - STMicroelectronics |
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M95128-RMB6TG 数据表(HTML) 38 Page - STMicroelectronics |
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38 / 49 page ![]() DC and AC parameters M95128-W M95128-R M95128-DF 38/49 Doc ID 5798 Rev 16 Table 20. AC characteristics (M95128-R, device grade 6) Test conditions specified in Table 10 and Table 12 Symbol Alt. Parameter Previous products (1) CL ≤100 pF New products (2) Unit VCC ≥ 1.8V CL ≤100 pF VCC ≥ 2.5V CL ≤30 pF VCC ≥ 4.5V CL ≤30 pF Min. Max. Min. Max. Min. Max. Min. Max. fC fSCK Clock frequency 2 5 10 20 MHz tSLCH tCSS1 S active setup time 200 60 30 15 ns tSHCH tCSS2 S not active setup time 200 60 30 15 ns tSHSL tCS S deselect time 200 90 40 20 ns tCHSH tCSH S active hold time 200 60 30 15 ns tCHSL S not active hold time 200 60 30 15 ns tCH (3) tCLH Clock high time 200 80 40 20 ns tCL (3) tCLL Clock low time 200 80 40 20 ns tCLCH (4) tRC Clock rise time 1 2 2 2 µs tCHCL (4) tFC Clock fall time 1 2 2 2 µs tDVCH tDSU Data in setup time 40 20 10 5 ns tCHDX tDH Data in hold time 50 20 10 10 ns tHHCH Clock low hold time after HOLD not active 140 60 30 15 ns tHLCH Clock low hold time after HOLD active 90 60 30 15 ns tCLHL Clock low setup time before HOLD active 00 0 0 ns tCLHH Clock low setup time before HOLD not active 00 0 0 ns tSHQZ (4) tDIS Output disable time 250 80 40 20 ns tCLQV tV Clock low to output valid 150 80 40 20 ns tCLQX tHO Output hold time 0 0 0 0 ns tQLQH (4) tRO Output rise time 100 20 20 10 ns tQHQL (4) tFO Output fall time 100 20 20 10 ns tHHQV tLZ HOLD high to output valid 100 80 40 20 ns tHLQZ (4) tHZ HOLD low to output High-Z 250 80 40 20 ns tW tWC Write time 5 5 5 5 ms 1. Previous products are identified by process letters A. 2. New products are the M95256 devices identified by process letter K. 3. tCH + tCL must never be less than the shortest possible clock period, 1 / fC(max). 4. Characterized only, not tested in production. |
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