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25AA256T-IMF Datasheet(PDF) 3 Page - Microchip Technology |
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25AA256T-IMF Datasheet(HTML) 3 Page - Microchip Technology |
3 / 26 page 2003 Microchip Technology Inc. Preliminary DS21822C-page 3 25AA256/25LC256 TABLE 1-2: AC CHARACTERISTICS AC CHARACTERISTICS Industrial (I): TA = -40°C to +85°C VCC = 1.8V to 5.5V Automotive (E): TA = -40°C to +125°C VCC = 2.5V to 5.5V Param. No. Sym. Characteristic Min. Max. Units Test Conditions 1FCLK Clock Frequency — — — 10 5 3 MHz MHz MHz 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 2TCSS CS Setup Time 50 100 150 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 3TCSH CS Hold Time 100 200 250 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 4TCSD CS Disable Time 50 — ns — 5 Tsu Data Setup Time 10 20 30 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 6THD Data Hold Time 20 40 50 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 7TR CLK Rise Time — 2 µs (Note 1) 8TF CLK Fall Time — 2 µs (Note 1) 9THI Clock High Time 50 100 150 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 10 TLO Clock Low Time 50 100 150 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 11 TCLD Clock Delay Time 50 — ns — 12 TCLE Clock Enable Time 50 — ns — 13 TV Output Valid from Clock Low — — — 50 100 160 ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 14 THO Output Hold Time 0 — ns (Note 1) 15 TDIS Output Disable Time — — — 40 80 160 ns ns ns 4.5V ≤ Vcc ≤ 5.5V(Note 1) 2.5V ≤ Vcc ≤ 4.5V(Note 1) 1.8V ≤ Vcc ≤ 2.5V(Note 1) 16 THS HOLD Setup Time 20 40 80 — — — ns ns ns 4.5V ≤ Vcc ≤ 5.5V 2.5V ≤ Vcc < 4.5V 1.8V ≤ Vcc < 2.5V 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 write cycle is complete. 3: This parameter is not tested but ensured by characterization. For endurance estimates in a specific application, please consult the Total Endurance™ Model which can be obtained from our web site: www.microchip.com. |
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