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| MC74AC04DT资料 | |
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MC74AC04DT PDF Download |
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File Size : 116 KB
Manufacturer:ON Description:STOP condition at the end of a Write command triggers the internal EEPROM write cycle. Acknowledge Bit (ACK). An acknowledge signal is used to indicate a successful data transfer. The bus transmitter, either master or slave, will release the SDA bus after sending 8 bits of data. During the 9th clock pulse the receiver pulls the SDA bus low to acknowledge the receipt of the 8 bits of data. Data Input. During data input the ST24/25E64 sample the SDA bus signal on the rising edge of the clock SCL. For correct device operation the SDA signal must be stable during the clock low to high transition and the data must change ONLY when the SCL line is low. Device Selection. To start communication be- tween the bus master and the slave ST24/25E64, the master must initiate a START condition. The 8 bits sent after a START condition are made up of a device select of 4 bits that identifies the device type, 3 Chip Enable bits and one bit for a READ (RW = 1) or WRITE (RW = 0) operation. There are two modes both for read and write. These are summa- rised in Table 4 and described hereafter. A commu- nication between the master and the slave is ended with a STOP condition. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：MC74AC04DT 厂 家：ON 封 装：TSSOP 批 号：04+ 数 量：835 说 明： |
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运 费：广东省内10元(平邮),广东省外20元(快递) 所在地：深圳市 新旧程度： |
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| 联系人：黄林锋 |
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