SN74LVCH16T245DGVR Part Information

Details for SN74LVCH16T245DGVR by Texas Instruments

Semiconductors - ICs > Logic > Level Shifters

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Part Description

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 SN74LVCH16T245 device control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA. The SN74LVCH16T245 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 is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

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Part Features

  • Bus Hold on Data Inputs Eliminates the Need for External Pullup and Pulldown Resistors
  • Control Inputs VIH/VIL Levels are Referenced to VCCA Voltage
  • ESD Protection Exceeds JESD 22
  • 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
  • Overvoltage-Tolerant Inputs and Outputs Allow Mixed-Voltage-Mode Data Communications
  • VCC Isolation Feature u2013 If Either VCC Input is at GND, All Outputs are in the High-Impedance State

Part Specifications

No. of Inputs 16
Output Current 32mA
Propagation Delay 4.3ns
No. of Pins 48Pins
Logic Case Style TVSOP
Supply Voltage Min 1.65V
Supply Voltage Max 5.5V
Product Range -
RoHS Compliant

Alternative Part Descriptions

  • TRANSCEIVER & LEVEL TRANSLATOR, 16BIT, T | Newark Electronics
  • 16-Bit Dual-Supply Bus Transceiver, Configurable Voltage Translation, 3-State Outputs | Texas Instruments

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