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24C65-SM Datasheet(PDF) 4 Page - Microchip Technology |
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24C65-SM Datasheet(HTML) 4 Page - Microchip Technology |
4 / 24 page 24AA65/24LC65/24C65 DS21073K-page 4 © 2008 Microchip Technology Inc. TABLE 1-2: AC CHARACTERISTICS FIGURE 1-2: BUS TIMING DATA Parameter Symbol VCC = 1.8V-6.0V STD. Mode VCC = 4.5-6.0V FAST Mode Units Remarks Min Max Min Max Clock frequency FCLK —100 — 400 kHz Clock high time THIGH 4000 — 600 — ns Clock low time TLOW 4700 — 1300 — ns SDA and SCL rise time TR — 1000 — 300 ns (Note 1) SDA and SCL fall time TF — 300 — 300 ns (Note 1) Start condition setup time THD:STA 4000 — 600 — ns After this period the first clock pulse is generated Start condition setup time TSU:STA 4700 — 600 — ns Only relevant for repeated Start condition Data input hold time THD:DAT 0— 0 — ns Data input setup time TSU:DAT 250 — 100 — ns Stop condition setup time TSU:STO 4000 — 600 — ns Output valid from clock TAA — 3500 — 900 ns (Note 2) Bus free time TBUF 4700 — 1300 — ns Time the bus must be free before a new transmission can start Output fall time from VIH min to VIL max TOF — 250 20 + 0.1 CB 250 ns (Note 1), CB ≤ 100 pF Input filter spike suppression (SDA and SCL pins) TSP 50 — 50 — ns (Note 3) Write cycle time TWR — 5 — 5 ms/page (Note 4) Endurance High Endurance Block Rest of Array 10M 1M — — 10M 1M — — cycles 25°C, (Note 5) Note 1: Not 100 percent 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 and spike suppression. This eliminates the need for a Ti specification for standard operation. 4: The times shown are for a single page of 8 bytes. Multiply by the number of pages loaded into the write cache for total time. 5: 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 downloaded at www.microchip.com. SCL SDA IN SDA OUT TSU:STA TSP TAA TF TLOW THIGH THD:STA THD:DAT TSU:DAT TSU:STO TBUF TAA TR |
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