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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

General description
The 74LVC4245A is an octal dual supply translating transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. It is designed to interface between a 3 V and 5 V bus in a mixed 3 V and 5 V supply environment.
The device features an output enable input (pinOE) for easy cascading and a send/receive input (pin DIR) for direction control. PinOE controls the outputs so that the buses are effectively isolated.
In suspend mode, when VCCAis zero, there will be no current flow from one supply to the
other supply. The A-outputs must be set 3-state and the voltage on the A-bus must be smaller than Vdiode(typical 0.7 V). VCCA≥VCCB, except in suspend mode.
Features
5 V tolerant inputs/outputs, for interfacing with 5 V logic
Wide supply voltage range:
3 V port (VCCB): 1.5 V to 3.6 V
5 V port (VCCA): 1.5 V to 5.5 V
CMOS low-power consumption
Direct interface with TTL levels
Inputs accept voltages up to 5.5 V
High-impedance when VCC= 0 V
Complies with JEDEC standard no. JESD8B/JESD36
ESD protection:
HBM JESD22-A114E exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from−40°C to +85°C and−40°C to +125°C

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74LVC4245ADB Specifications

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