전자부품 데이터시트 검색엔진 |
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25LC080 데이터시트(PDF) 4 Page - Microchip Technology |
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25LC080 데이터시트(HTML) 4 Page - Microchip Technology |
4 / 12 page 25LC080/160 DS21145D-page 4 Preliminary © 1996 Microchip Technology Inc. TABLE 1-3: AC CHARACTERISTICS Applicable over recommended operating ranges shown below unless otherwise noted. VCC = +2.5V to +5.5V Commercial (C): Tamb = 0˚C to +70˚C Industrial (I): Tamb = -40˚C to +85˚C Symbol Parameter Min Max Units Test Conditions fSCK Clock Frequency — — 3 2 MHz MHz VCC=4.5V to 5.5V VCC=2.5V to 4.5V tCSS CS Setup Time 100 250 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tCSH CS Hold Time 100 250 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tCSD CS Disable Time 250 500 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tSU Data Setup Time 30 50 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tHD Data Hold Time 50 100 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tR CLK Rise Time — 2 µs (Note 1) tF CLK Fall Time — 2 µs (Note 1) tHI Clock High Time 150 250 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tLO Clock Low Time 150 250 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tCLD Clock Delay Time 50 — ns tV Output Valid from Clock Low — — 150 250 ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tHO Output Hold Time 0 — ns tDIS Output Disable Time — — 200 250 ns ns VCC=4.5V to 5.5V (Note 1) VCC=2.5V to 4.5V (Note 1) tHS HOLD Setup Time 100 100 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tHH HOLD Hold Time 100 100 — — ns ns VCC=4.5V to 5.5V VCC=2.5V to 4.5V tHZ HOLD Low to Output High-Z 100 150 — — ns ns VCC=4.5V to 5.5V (Note 1) VCC=2.5V to 4.5V (Note 1) tHV HOLD High to Output Valid 100 150 — — ns ns VCC=4.5V to 5.5V (Note 1) VCC=2.5V to 4.5V (Note 1) tWC Internal Write Cycle Time — 5 ms (Note 2) — Endurance 10M — E/W Cycles 25 °C, Vcc = 5.0V, Block Mode (Note 3) Note 1: This parameter is periodically sampled and not 100% tested. 2: tWC begins on the rising edge of CS after a valid write sequence and ends when the internal self-timed write cycle is complete. 3: This parameter is not tested but guaranteed by characterization. For endurance estimates in a specific appli- cation, please consult the Total Endurance Model which can be obtained on our BBS or website. |
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