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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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24AA1025 Datenblatt(PDF) 3 Page - Microchip Technology |
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24AA1025 Datenblatt(HTML) 3 Page - Microchip Technology |
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3 / 22 page  © 2007 Microchip Technology Inc. Preliminary DS21941E-page 3 24AA1025/24LC1025/24FC1025 TABLE 1-2: AC CHARACTERISTICS AC CHARACTERISTICS Industrial (I): VCC = +1.7V to 5.5V TA = -40°C to +85°C Automotive (E): VCC = +2.5V to 5.5V TA = -40°C to +125°C Param. No. Sym. Characteristic Min. Max. Units Conditions 1FCLK Clock frequency — — — 100 400 1000 kHz 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V (Note 5) 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 2THIGH Clock high time 4000 600 500 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 3TLOW Clock low time 4700 1300 500 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 4TR SDA and SCL rise time (Note 1) — — — 1000 300 300 ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 5TF SDA and SCL fall time (Note 1) — — 300 100 ns All except, 24FC1025 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 6THD:STA Start condition hold time 4000 600 250 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 7TSU:STA Start condition setup time 4700 600 250 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 8THD:DAT Data input hold time 0 — ns (Note 2) 9TSU:DAT Data input setup time 250 100 100 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 10 TSU:STO Stop condition setup time 4000 600 250 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 11 TSU:WP WP setup time 4000 600 600 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 12 THD:WP WP hold time 4700 1300 1300 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 13 TAA Output valid from clock (Note 2) — — — 3500 900 400 ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 14 TBUF Bus free time: Time the bus must be free before a new transmission can start 4700 1300 500 — — — ns 1.7V ≤ VCC ≤ 2.5V 2.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 5.5V (24FC1025 only) 15 TOF Output fall time from VIH minimum to VIL maximum CB ≤ 100 pF 10 + 0.1CB 250 250 ns All except, 24FC1025 (Note 1) 24FC1025 (Note 1) 16 TSP Input filter spike suppression (SDA and SCL pins) — 50 ns All except, 24FC1025 (Notes 1 and 3) Note 1: Not 100% tested. CB = total capacitance of one bus line in pF. 2: As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region (minimum 300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions. 3: The combined TSP and VHYS specifications are due to new Schmitt Trigger inputs which provide improved noise spike suppression. This eliminates the need for a TI specification for standard operation. 4: This parameter is not tested but established by characterization. For endurance estimates in a specific application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site at www.microchip.com. 5: Max. clock frequency is 100 kHz for E-temp devices <4.5V. 1.7-2.5V (100 kHz) timings must be used. |
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