SN74ABT833DWRE4

Series:	74ABT
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Logic Type:	Transceiver, Non-Inverting
Number of Elements:	1
Number of Bits per Element:	8
Input Type:	--
Output Type:	Push-Pull
Current - Output High, Low:	32mA, 64mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	24-SOIC
Base Part Number:	74ABT833

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SN74ABT833DWRE4 is one of Texas Instruments’ most popular logic buffers and transceiver devices. This component is a quad bidirectional level translator which combines two 3.3V signals with two 1.8V signals using a conduction-mode, bidirectional level translator. The SN74ABT833DWRE4 is designed for applications such as high speed digital line applications, and other application changes that require the conversion of two 3.3V signals to two 1.8V signals, and vice versa. It is also ideal for bus interface applications such as USB and laptop DIMM interface.The SN74ABT833DWRE4 integrated level translator is an 8-pin device which includes four bidirectional channels, an enable assert and de-assert, a VCC supply voltage for 3.3V circuits and a VCC1 supply voltage for 1.8V circuits. It is AEC-Q100 qualified, rated from –40°C to +125°C, and can operate up to a 3.6V VCC voltage rating.The SN74ABT833DWRE4 provides bidirectional translation between two voltage signals, enabling the connection between two different voltage sources. It also uses two power supplys, an LVCC which is dedicated to the 1.8V side of the translation and a HVCC which is dedicated to the 3.3V side of the translation. Each channel has two power pins, with one pin of the LVCC receiving the drain current and the other pin of the HVCC receiving the source current, allowing simultaneous bidirectional current path. This helps in providing minimum impedance and efficient level translation between two different voltage sources.The working principle of the SN74ABT833DWRE4 is quite simple. When the Enable pin is asserted to a high logic level, the device’s four bidirectional channels will operate in conduction-mode, bidirectional level translation. When the Enable pin is de-asserted to a low logic level, the channels will be turned off and source/drain current will cease. The translators are capable of driving up to +3.3V and up to -3.3V amount of noise on the inputs. The linear current limit for the device is -38mA and +38mA.In conclusion, the SN74ABT833DWRE4 is a quad bidirectional, conduction-mode level translator component designed by Texas Instruments which is ideal for applications that need the conversion of two 3.3V signals to two 1.8V signals and vice versa. It also features two separate power supplys to provide minimum impedance and efficient level translation between two different voltage sources. The working principle of the SN74ABT833DWRE4 is quite simple and the component is rated and capable of withstanding varying temperature and voltage levels.

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