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SN74AVCH4T245DR

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Details for SN74AVCH4T245DR by Texas Instruments
Semiconductors - ICs > Logic > Buffers Transceivers & Line Drivers
SN74AVCH4T245DR
Buy Directly from Texas Instruments (15317 in stock) $0.2280
TRANSCEIVER W/ VOLT TRANSLATION SOIC-16
SN74AVCH4T245DR image

SN74AVCH4T245DR by Texas Instruments

TRANSCEIVER W/ VOLT TRANSLATION SOIC-16

Features
Bus Hold on Data Inputs Eliminates the Need for External pull-up/pull-down 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 1.2V to 3.6V Power- Supply Range
I/Os Are 4.6V Tolerant
Ioff Supports Partial Power-Down-Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
Max Data Rates u2013 380 Mbps (1.8 V to 3.3 V Translation) u2013 200 Mbps (<1.8 V to 3.3 V Translation) u2013 200 Mbps (Translate to 2.5 V or 1.8 V) u2013 150 Mbps (Translate to 1.5 V) u2013 100 Mbps (Translate to 1.2 V)

Part Information

SN74AVCH4T245DR image
RoHS Compliant

Description

This 4-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 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. The SN74AVCH4T245 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 V. This allows for universal low voltage bidirectional translation between any of the 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V voltage nodes. The SN74AVCH4T245 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. The SN74AVCH4T245 device 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.

Technical Specifications

Logic Family / Base Number:
74AVCH4T245
Logic Device Type:
Transceiver Translating
Logic Case Style:
SOIC
No. of Pins:
16Pins
Supply Voltage Min:
1.2V
Supply Voltage Max:
3.6V
Logic IC Family:
74AVCH
Logic IC Base Number:
744T24
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Bus XCVR Dual 4-CH 3-ST 16-Pin SOIC T/R Avnet America
4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs Texas Instruments