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| SN74LS399N资料 | |
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SN74LS399N PDF Download |
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File Size : 105 KB
Manufacturer:TI Description:Accelerate Function: If VHH is applied to this input, the device enters the Unlock Bypass mode, t empor ar ily unpr ot ect s any pr ot ect ed sect or s, and uses t he higher voltage on the pin to reduce the time required for program operations. (The syst em w ould t hen use t he t w o-cycle program command sequence as required by the Unlock Bypass mode.) Removing VHH from the pin returns the device to normal operation. This pin must not be at VHH for operations other than accelerated programming, or device damage may result. Leaving the pin floating or unconnected may result in inconsistent device operation. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：SN74LS399N 厂 家：TI 封 装：94+ 批 号：150 数 量： 说 明： |
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