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| 3362W-1-203LF资料 | |
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3362W-1-203LF PDF Download |
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File Size : 116 KB
Manufacturer:BOURNS Description:SIGNAL DESCRIPTIONS See Figure 1, Logic Diagram, and Table 1, Signal Names, for a brief overview of the signals connect- ed to this device. Address Inputs (A0-A17). The Address Inputs select the cells in the memory array to access dur- ing Bus Read operations. During Bus Write opera- tions they control the commands sent to the Command Interface of the internal state machine. Data Inputs/Outputs (DQ0-DQ7). The Data In- puts/Outputs output the data stored at the selected address during a Bus Read operation. During Bus Write operations they represent the commands sent to the Command Interface of the internal state machine. Data Inputs/Outputs (DQ8-DQ14). The Data In- puts/Outputs output the data stored at the selected address during a Bus Read operation when BYTE is High, VIH. When BYTE is Low, VIL, these pins are not used and are high impedance. During Bus Write operations the Command Register does not use these bits. When reading the Status Register these bits should be ignored. Data Input/Output or Address Input (DQ15A-1). When BYTE is High, VIH, this pin behaves as a Data Input/Output pin (as DQ8-DQ14). When BYTE is Low, VIL, this pin behaves as an address pin; DQ15AC1 Low will select the LSB of the Word on the other addresses, DQ15AC1 High will select the MSB. Throughout the text consider references to the Data Input/Output to include this pin when BYTE is High and references to the Address In- puts to include this pin when BYTE is Low except when stated explicitly otherwise. Chip Enable (E). The Chip Enable, E, activates the memory, allowing Bus Read and Bus Write op- erations to be performed. When Chip Enable is High, VIH, all other pins are ignored. Output Enable (G). The Output Enable, G, con- trols the Bus Read operation of the memory. Write Enable (W). The Write Enable, W, controls the Bus Write operation of the memorys Com- mand Interface. Reset/Block Temporary Unprotect (RP). The Re- set/Block Temporary Unprotect pin can be used to apply a Hardware Reset to the memory or to tem- porarily unprotect all Blocks that have been pro- tected. A Hardware Reset is achieved by holding Reset/ Block Temporary Unprotect Low, VIL, for at least tPLPX. After Reset/Block Temporary Unprotect goes High, V IH, the memory will be ready for Bus Read and Bus Write operations after tPHEL or |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：3362W-1-203LF 厂 家：BOURNS 封 装：09+ 批 号：3362W 数 量：15000 说 明：深圳市荣发电子，专营贴片电容，电感，磁珠，蜂鸣器，咪头，保险丝，连接器,继电器，二三极管，LED,晶振，真诚为广大客户提供配套服务 |
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