RS1T45-Q1
1-Bit Dual-Supply Bus Transceiver with Configurable
Voltage Translation and 3-State Outputs
1 FEATURES
3 DESCRIPTIONS
The RS1T45-Q1 is 1-bit non-invertingbus transceiver uses
two separate configurable power supply rails. The A port
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Qualified for Automotive Applications
AEC-Q100 Qualified with the Grade 1
Control Input threshold Referenced to
VCCA Voltage
DIR are designed to track VCCA, which supporting
and
operating
voltages from 1.65V to 5.5V, and the B port
supporting operating voltages from 1.65V to 5.5V while it
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Power-Supply Range:
VCCB supply. This allows for universal low-
bidirectional translation between any of the
tracks the
voltage
VCCA and VCCB:1.65V to 5.5V
1.8V, 2.5V, 3.3V and 5V voltage nodes.
VCC Isolation: If Either VCC is at GND, Both
Ports are in the High-Impedance State
Low power consumption,4μA Max
Output drive up to ±24mA@3.0V
No Power-Supply Sequencing Required:
Either VCCA or VCCB can be Ramped First
IOFF: Supports Partial-Power-Down Mode
Operation
The RS1T45-Q1 is designed for asynchronous
communication between two data buses. The logic levels
of the direction- control (DIR) input activate either the B-
port outputs or the A-port outputs. The device transmits
data from the A bus to the B bus when the B-port outputs
are activated and from the B bus to the A bus when the A-
port outputs are activated. The input circuitry is always
active on both A and B ports and must have a logic HIGH
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to prevent excess I and ICCZ
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or LOW level applied
CC
Extended Temperature: -40°C to +125°C
The RS1T45-Q1 is available in Green SOT23-6 and
SOT363(SC70-6) packages. It operates over an ambient
temperature range of -40°C to +125°C
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2 APPLICATIONS
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ADAS Fusion
Device Information(1)
ADAS Front Camera
HEV Battery Management System
PART
PACKAGE
BODY SIZE (NOM)
NUMBER
SOT23-6(6)
2.92mm×1.60mm
2.10mm×1.25mm
RS1T45-Q1
SC70-6
(SOT363) (6)
(1) For all available packages, see the orderable addendum at the end
of the data sheet.
4 Functional Block Diagram
A
4
B
REV A.1
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