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SN74LVC16T245 Datasheet PDF

Part Series:SN74LVC16T245 Series
Description:16Bit DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS
Document:SN74LVC16T245DL Datasheet PDF (35 Pages)

SN74LVC16T245 Datasheet PDF

34 Pages
TI
16Bit Dual-Supply Bus Transceiver with Configurable Level-Shifting / Voltage Translation 56-BGA MICROSTAR JUNIOR -40℃ to 85℃`
34 Pages
TI
16Bit Dual-Supply Bus Transceiver with Configurable Level-Shifting / Voltage Translation 56-BGA MICROSTAR JUNIOR -40℃ to 85℃
34 Pages
TI
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32 Pages
TI
16Bit DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUTPUTS

SN74LVC16T245 - TI Function Overview

This 16-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.
The SN74LVC16T245 device is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. 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 on both A and B ports always is active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.
The SN74LVC16T245 control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Control Inputs VIH/VIL Levels are Referenced to
VCCA Voltage
VCC Isolation Feature – If Either VCC Input is at
GND, Both Ports are in the High-Impedance State
Overvoltage-Tolerant Inputs and Outputs Allow
Mixed Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows Each
Port to Operate Over the Full 1.65-V to 5.5-V
Power-Supply Range
Ioff Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
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