ACE24C02A 데이터 시트보기 (PDF) - ACE Technology Co., LTD.

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ACE24C02A

Two-wire Serial EEPROM

ACE Technology Co., LTD. 

Technology

ACE24C02A

Two-wire Serial EEPROM

Figure 4．Data Validity

Figure 5．Start and Stop Definition

Figure 6．Output Acknowledge

Device Addressing

The 2K EEPROM devices all require an 8-bit device address word following a start condition to enable

the chip for a read or write operation (refer to Figure 7).

The device address word consists of a mandatory one, zero sequence for the first four most

significant bits as shown. This is common to all the EEPROM devices. The next 3 bits can be any

data.

The module package device address word also consist of a mandatory one, zero sequence for the

first four most significant bits. The next 3 bits are all zero.

The eighth bit of the device address is the read/write operation select bit. A read operation is initiated if

this bit is high and a write operation is initiated if this bit is low.

Upon a compare of the device address, the EEPROM will output a zero. If a compare is not made, the

chip will return to a standby state.

VER 1.2 7

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