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M25P40-VMP6TG/X 데이터시트(PDF) 42 Page - STMicroelectronics |
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M25P40-VMP6TG/X 데이터시트(HTML) 42 Page - STMicroelectronics |
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42 / 53 page ![]() DC and ac parameters M25P40 42/53 Table 19. AC characteristics (25 MHz operation, device grade 3, VCC min = 2.7 V) Test conditions specified in Table 10 and Table 17 Symbol Alt. Parameter Min. Typ. Max. Unit fC fC Clock frequency for the following instructions: FAST_READ, PP, SE, BE, DP, RES, WREN, WRDI, RDSR, WRSR D.C. 25 MHz fR Clock frequency for READ instructions D.C. 20 MHz tCH (1) 1. tCH + tCL must be greater than or equal to 1/ fC tCLH Clock High time 18 ns tCL (1) tCLL Clock Low time 18 ns tCLCH (2) 2. Value guaranteed by characterization, not 100% tested in production. Clock Rise time(3) (peak to peak) 3. Expressed as a slew-rate. 0.1 V/ns tCHCL (2) Clock Fall time(3) (peak to peak) 0.1 V/ns tSLCH tCSS S Active Setup time (relative to C) 10 ns tCHSL S Not Active Hold time (relative to C) 10 ns tDVCH tDSU Data In Setup time 5 ns tCHDX tDH Data In Hold time 5 ns tCHSH S Active Hold time (relative to C) 10 ns tSHCH S Not Active Setup time (relative to C) 10 ns tSHSL tCSH S Deselect time 100 ns tSHQZ (2) tDIS Output Disable time 15 ns tCLQV tV Clock Low to Output Valid 15 ns tCLQX tHO Output Hold time 0 ns tHLCH HOLD Setup time (relative to C) 10 ns tCHHH HOLD Hold time (relative to C) 10 ns tHHCH HOLD Setup time (relative to C) 10 ns tCHHL HOLD Hold time (relative to C) 10 ns tHHQX (2) tLZ HOLD to Output Low-Z 15 ns tHLQZ (2) tHZ HOLD to Output High-Z 20 ns tWHSL (4) 4. Only applicable as a constraint for a WRSR instruction when SRWD is set at 1. Write Protect Setup time 20 ns tSHWL (4) Write Protect Hold time 100 ns tDP (2) S High to Deep Power-down mode 3 µs tRES1 (2) S High to Standby Power mode without Electronic Signature Read 3 or 30(5) 5. It is 30 µs in devices produced with the “X” process technology (grade 3 devices are only produced using the “X” process technology). Details of how to find the process letter on the device marking are given in the Application note AN1995. µs tRES2 (2) S High to Standby Power mode with Electronic Signature Read 1.8 or 30(5) µs |
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