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CAT25M02DWF 데이터시트(PDF) 4 Page - ON Semiconductor |
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CAT25M02DWF 데이터시트(HTML) 4 Page - ON Semiconductor |
4 / 14 page CAT25M02 www.onsemi.com 4 Table 4. A.C. CHARACTERISTICS (VCC = 1.7 V to 5.5 V, TA = −40°C to +85°C and VCC = 2.5 V to 5.5 V, TA = −40°C to +125°C, unless otherwise specified.) (Note 6) Symbol Parameter VCC = 1.7 V − 5.5 V VCC = 2.5 V − 5.5 V Units Min Max Min Max fSCK Clock Frequency DC 5 DC 10 MHz tSU Data Setup Time 20 10 ns tH Data Hold Time 20 10 ns tWH SCK High Time 75 40 ns tWL SCK Low Time 75 40 ns tLZ HOLD to Output Low Z 50 25 ns tRI (Note 7) Input Rise Time 2 2 ms tFI (Note 7) Input Fall Time 2 2 ms tHD HOLD Setup Time 0 0 ns tCD HOLD Hold Time 10 10 ns tV Output Valid from Clock Low 75 40 ns tHO Output Hold Time 0 0 ns tDIS Output Disable Time 50 20 ns tHZ HOLD to Output High Z 100 25 ns tCS CS High Time 80 40 ns tCSS CS Setup Time 60 30 ns tCSH CS Hold Time 60 30 ns tCNS CS Inactive Setup Time 60 30 ns tCNH CS Inactive Hold Time 60 30 ns tWPS WP Setup Time 20 10 ns tWPH WP Hold Time 20 10 ns tWC (Notes 9, 10) Write Cycle Time 6 6 ms Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. Table 5. POWER−UP TIMING (Notes 7, 8) Symbol Parameter Max Units tPUR, tPUW Power−up to Read / Write Operation 0.1 ms 6. AC Test Conditions: Input Pulse Voltages: 0.3 VCC to 0.7 VCC Input rise and fall times: ≤ 10 ns Input and output reference voltages: 0.5 VCC Output load: current source IOL max/IOH max; CL = 30 pF 7. This parameter is tested initially and after a design or process change that affects the parameter. 8. tPUR and tPUW are the delays required from the time VCC is stable until the specified operation can be initiated. 9. tWC is the time from the rising edge of CS after a valid write sequence to the end of the internal write cycle. 10. The tWC time can be set by the user to allow faster internal writes (max 3 ms) by setting the tWC bit from the Status Register. The fast write mode is recommended for VCC > 2.5 V. |
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