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| LNK562PN资料 | |
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LNK562PN PDF Download |
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File Size : 116 KB
Manufacturer:PI Description:mode. IR indicates whether or not the FIFO has available memory locations. OR shows whether the FIFO has data available for reading or not. It marks the presence of valid data on the outputs. Each FIFO has a programmable Almost-Empty flag (AEA and AEB) and a programmable Almost-Full flag (AFA and AFC). AEA and AEB indicate when a selected number of words remain in the FIFO memory. AFA and AFC indicate when the FIFO contains more than a selected number of words. FFA/IRA, FFC/IRC, AFA and AFC are two-stage synchronized to the Port Clock that writes data into its array. EFA/ORA, EFB/ORB, AEA, and AEB are two-stage synchronized to the Port Clock that reads data from its array. Programmable offsets for AEA, AEB, AFA, AFC are loaded in parallel using Port A or in serial via the SD input. The Serial Programming Mode pin (SPM) makes this selection. Three default offset settings are also provided. The AEA and AEB threshold can be set at 8, 16 or 64 locations from the empty boundary and the AFA and AFC threshold can be set at 8, 16 or 64 locations from the full boundary. All these choices are made using the FS0 and FS1 inputs during Master Reset. Two or more FIFOs may be used in parallel to create wider data paths. Such a width expansion requires no additional, external components. Further- more, two LNK562PN/723636/723646 FIFOs can be combined with unidirec- tional FIFOs capable of First Word Fall Through timing (i.e. the SuperSync FIFO family) to form a depth expansion. If, at any time, the FIFO is not actively performing a function, the chip will automatically power down. During the power down state, supply current consumption (ICC) is at a minimum. Initiating any operation (by activating control inputs) will immediately take the device out of the power down state. The LNK562PN/723636/723646s are characterized for operation from 0C to 70C. Industrial temperature range (C40C to +85C) is available by special order. They are fabricated using IDTs high speed, submicron CMOS technology. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：LNK562PN 厂 家：PI 封 装： 批 号：0550 数 量：2959 说 明：Bid Price |
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运 费： 所在地： 新旧程度： |
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| 联系人：刘先生，罗小姐，刘小姐，刘先生，王先生 |
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