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24LC21 Datasheet(PDF) 8 Page - Microchip Technology |
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24LC21 Datasheet(HTML) 8 Page - Microchip Technology |
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8 / 24 page  24LC21 DS21095J-page 8 2004 Microchip Technology Inc. It is required that VCLK be held at a logic high level in order to program the device. This applies to byte write and page write operation. Note that VCLK can go low while the device is in its self-timed program operation and not affect programming. FIGURE 4-1: BYTE WRITE FIGURE 4-2: BYTE WRITE Note: Page write operations are limited to writing bytes within a single physical page, regardless of the number of bytes actually being written. Physical page boundaries start at addresses that are integer multiples of the page buffer size (or ‘page size’) and end at addresses that are integer multiples of [page size - 1]. If a page Write command attempts to write across a physical page boundary, the result is that the data wraps around to the beginning of the current page (overwriting data previously stored there), instead of being written to the next page as might be expected. It is therefore necessary for the application software to prevent page write operations that would attempt to cross a page boundary. S P BUS ACTIVITY MASTER SDA LINE BUS ACTIVITY S T A R T S T O P Control Byte Word Address Data A C K A C K A C K VCLK S P BUS ACTIVITY MASTER SDA LINE BUS ACTIVITY S T A R T S T O P Control Byte Word Address Data A C K A C K A C K VCLK |
Similar Part No. - 24LC21_04 |
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Similar Description - 24LC21_04 |
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