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ST2149B 数据表(PDF) 5 Page - STMicroelectronics

部件名 ST2149B
功能描述  4-bit dual supply level translator without direction control pin
PDF  23 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST2149B 数据表(HTML) 5 Page - STMicroelectronics

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ST2149B
Description
Doc ID 023310 Rev 1
5/23
1
Description
The ST2149B is a 4-bit dual supply level translator which provides the level shifting
capability to allow data transfer in a multi-voltage system. Externally applied voltages, VCC
and VL, set the logic levels on either side of the device. Its architecture allows bi-directional
level translation without a control pin.
The ST2149B accepts VL from 1.65 to 3.6 V and VCC from VL to 5.5 V, making it ideal for
data transfer between low-voltage ASICs/PLD and higher voltage systems. This device has
a tri-state output mode which can be used to disable all I/Os.



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