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| SN75140资料 | |
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SN75140 PDF Download |
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File Size : 116 KB
Manufacturer:TI Description:rial Data (SDA) to VCC. (Figure 4. indicates how the value of the pull-up resistor can be calculated). Chip Enable (E0, E1, E2). These input signals are used to set the value that is to be looked for on the three least significant bits (b3, b2, b1) of the 7- bit Device Select Code. These inputs must be tied to V CC or VSS, to establish the Device Select Code. Write Control (WC). This input signal is useful for protecting the entire contents of the memory from inadvertent write operations. Write opera- tions are disabled to the entire memory array when Write Control (WC) is driven High. When uncon- nected, the signal is internally read as VIL, and Write operations are allowed. When Write Control (WC) is driven High, Device Select and Address bytes are acknowledged, Data bytes are not acknowledged. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：SN75140 厂 家：TI 封 装： 批 号：04+ 数 量：1,144 说 明：绝对原装正品底价 |
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