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ST2129B

STMicroelectronics
Part Number ST2129B
Manufacturer STMicroelectronics
Description 2-bit dual supply level translator
Published Mar 15, 2016
Detailed Description ST2129B 2-bit dual supply level translator without direction control pin, pushpull output Datasheet - production data ...
Datasheet PDF File ST2129B PDF File

ST2129B
ST2129B

Overview
ST2129B 2-bit dual supply level translator without direction control pin, pushpull output Datasheet - production data  ESD performance on all pins: ±2 kV HBM  Small package and footprint  QFN8 1.
4 x 1.
2 x 0.
55 mm Applications  Low-voltage system level translation  Mobile phones and other mobile devices QFN8 (1.
4 x 1.
2 x 0.
55 mm) Features  45 MHz: 90 Mbps (max.
) data rate  at VL = 1.
8 V, VCC = 3.
3 V  Bi-directional level translation without direction control pin  Wide voltage range (VL ≤ VCC): – VL ranges from 1.
65 to 3.
6 V – VCC ranges from VL to 5.
5 V  Totem pole driving  5.
5 V tolerant Enable pin Description The ST2129B device is a 2-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 ST2129B device 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 tristate output mode which can be used to disable all I/Os.
Order code ST2129BQTR Table 1.
Device summary Package Packing QFN8 (1.
4 x 1.
2 x 0.
55 mm) Tape and reel (3000 parts per reel) Package topmark 1A February 2013 This is information on a product in full production.
DocID023308 Rev 2 1/21 www.
st.
com 1 Contents Contents ST2129B 1 Pin settings .
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5 1.
1 Pin connection .
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5 1.
2 Pin description .
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5 2 Logic diagram .
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6 Device block diagrams .
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