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ACE24C02AFM+TH Folha de dados(PDF) 5 Page - ACE Technology Co., LTD. |
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ACE24C02AFM+TH Folha de dados(HTML) 5 Page - ACE Technology Co., LTD. |
5 / 14 page ACE24C02A Technology Two-wire Serial EEPROM VER 1.2 5 THD.DAT Data In Hold Time 0 0 0 µs TSU.DAT Data In Setup Time 100 100 100 ns TR Inputs Rise Time 0.3 0.3 0.3 µs TF Inputs Fall Time 300 100 100 ns TSU.STO Stop Setup Time 0.6 0.25 0.25 µs TDH Data Out Hold Time 50 50 50 ns TWR Write Cycle Time 5 5 5 ms Endurance (1) 5.0V, 25℃, Page Mode 1,000,000 Write Cycles Notes:1. This parameter is characterized and not 100% tested. 2.AC measurement conditions: RL (connects to Vcc): 1.3kΩ (2.5V, 5.5V), 10kΩ (1.7V) Input pulse voltages: 0.3 Vcc to 0.7 Vcc Input rise and fall times: ≦50 ns Input and output timing reference voltages: 0.5Vcc Device Operation Clock and Data Transitions: The SDA pin is normally pulled high with an external device. Data on the SDA pin may change only during SCL low time periods (refer to Figure 4). Data changes during SCL high periods will indicate a start or stop condition as defined below. Start Condition: A high-to-low transition of SDA with SCL high is a start condition which must precede any other command (refer to Figure 5). Stop Condition: A low-to-high transition of SDA with SCL high is a stop condition. After a read sequence, the stop command will place the EEPROM in a standby power mode (refer to Figure 5). Acknowledge: All addresses and data words are serially transmitted to and from the EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to acknowledge that it has received each word. The happens during the ninth clock cycle. Following receipt each word from the EEPROM, the microcontroller should send a zero to EEPROM and continue to output the next data word or send a stop condition to finish the read cycle. Standby Mode : The ACE24C02A features a low-power standby mode which is enabled: (a) upon power-up and (b) after the receipt of the stop bit and the completion of any internal operations. |
Nº de peça semelhante - ACE24C02AFM+TH |
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Descrição semelhante - ACE24C02AFM+TH |
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