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| SC422797CDW资料 | |
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SC422797CDW PDF Download |
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File Size : 116 KB
Manufacturer:Freesals Description:The DS1258 devices execute a read cycle whenever WE (Write Enable) is inactive (high) and either/both of CEU or CEL (Chip Enables) are active (low) and OE (Output Enable) is active (low). The unique address specified by the 17 address inputs (A0-A16) defines which of the 131,072 words of data is accessed. The status of CEU and CEL determines whether all or part of the addressed word is accessed. If CEU is active with CEL inactive, then only the upper byte of the addressed word is accessed. If CEU is inactive with CEL active, then only the lower byte of the addressed word is accessed. If both the CEU and CEL inputs are active (low), then the entire 16-bit word is accessed. Valid data will be available to the 16 data output drivers within tACC (Access Time) after the last address input signal is stable, providing that CEU , CEL and OE access times are also satisfied. If CEU , CEL , and OE access times are not satisfied, then data access must be measured from the later occurring signal, and the limiting parameter is either tCO for CEU , CEL , or tOE for OE rather than address access. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：SC422797CDW 厂 家：Freesals 封 装：SOP-20 批 号：08+ 数 量：1688 说 明：100%真实库存，原装，部分现货 |
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运 费： 所在地：深圳 新旧程度： |
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| 联系人：陈小姐 |
| 电 话：0755-83605789 |
| 手 机：13428979109 |
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| 公司地址： 广东深圳市福田区华强北（振华路）赛格高科德电子市场A1848室 |
