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ST2189 Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce ST2189
Description  8-bit dual supply level translator without direction control pin
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST2189 Fiches technique(HTML) 1 Page - STMicroelectronics

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August 2009
Doc ID 15918 Rev 1
1/21
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ST2189
8-bit dual supply level translator without direction control pin
Features
46 MHz: 92 Mbps data transfer when VCCA =
3.6 V
Bidirectional level translation without direction
control pin
Wide voltage range of 1.65 V to 3.6 V for both
VCCA and VCCB
Configurable voltage translation:
–VCCA can be VCCB or VCCA can be VCCB
Partial power down support - when VCCB is
grounded, all the outputs will automatically go
to high impedance.
Low quiescent current (5 µA)
ESD performance:
– ±4 kV HBM (human body model)
Applications
Low voltage system level translation
Mobile phones
Other mobile devices
Description
The ST2189 is an 8-bit dual supply level translator
which provides the level shifting capability to allow
data transfer in a multi-voltage system. Externally
applied voltages, VCCB and VCCA, set the logic
levels on either side of the device. Its architecture
allows bidirectional level translation without a
control pin.
The ST2189 accepts VCCA from 1.65 V to 3.6 V
and VCCB from 1.65 V to 3.6 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.
In power down mode feature - when VCCB supply
is grounded, all I/Os go to high impedance
automatically, with very low quiescent current on
VCCA supply.
QFN20
(1.8 x 3.2 mm)
Table 1.
Device summary
Order code
Package
Packing
ST2189QTR
QFN20 (3.2 x 1.8 mm)
Tape and reel
www.st.com


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