24C02 データシートの表示（PDF） - Tiger Electronic

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24C02

Two-wire Serial EEPROM

Tiger Electronic 

24C02/04/08/16

Device Addressing

The 2K, 4K, 8K and 16K EEPROM devices all require an 8-bit device address word following a start

condition to enable the chip for a read or write operation (see to Figure 4 on page 7).

The device address word consists of a mandatory "1", "0" sequence for the first four most significant bits

as shown. This is common to all the Serial EEPROM devices.

The next 3 bits are the A2, A1 and A0 device address bits for the 2K EEPROM. These 3 bits must

compare to their corresponding hardwired input pins.

The 4K EEPROM only uses the A2 and A1 device address bits with the third bit being a memory page

address bit. The two device address bits must compare to their corresponding hardwired input pins. The

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