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SN74AVCB164245-EP Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce SN74AVCB164245-EP
Description  16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

SN74AVCB164245-EP Fiches technique(HTML) 1 Page - Texas Instruments

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SN74AVCB164245-EP
www.ti.com
SCES845A – JANUARY 2013 – REVISED FEBRUARY 2013
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
Check for Samples: SN74AVCB164245-EP
1
FEATURES
2
Member of the Texas Instruments Widebus™
Latch-Up Performance Exceeds 100 mA Per
Family
JESD 78, Class II
DOC™ Circuitry Dynamically Changes Output
ESD Protection Exceeds JESD 22
Impedance, Resulting in Noise Reduction
2000-V Human-Body Model (A114-A)
Without Speed Degradation
200-V Machine Model (A115-A)
Dynamic Drive Capability Is Equivalent to
750-V Charged-Device Model (C101)
Standard Outputs With IOH and IOL of ±24 mA at
2.5-V VCC
SUPPORTS DEFENSE, AEROSPACE,
Control Inputs VIH and VIL Levels Are
AND MEDICAL APPLICATIONS
Referenced to VCCB Voltage
Controlled Baseline
If Either VCC Input Is at GND, Both Ports Are in
One Assembly and Test Site
the High-Impedance State
One Fabrication Site
Overvoltage-Tolerant Inputs and Outputs
Available in Military (-55°C to 125°C)
Allow Mixed-Voltage-Mode Data
Temperature Ranges (1)
Communications
Extended Product Life Cycle
Ioff Supports Partial-Power-Down Mode
Extended Product-Change Notification
Operation
Product Traceability
Fully Configurable Dual-Rail Design Allows
Each Port to Operate Over Full 1.4-V to 3.6-V
Power-Supply Range
(1)
Custom temperature ranges available
DESCRIPTION
This 16-bit (dual-octal) noninverting bus transceiver uses two separate configurable power-supply rails. The
A port is designed to track VCCA. VCCA accepts any supply voltage from 1.4 V to 3.6 V. The B port is designed to
track VCCB. VCCB accepts any supply voltage from 1.4 V to 3.6 V. This allows for universal low-voltage
bidirectional translation between any of the 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.
The SN74AVCB164245 is designed for asynchronous communication between data buses. The device transmits
data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-
control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are effectively
isolated.
The SN74AVCB164245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCB.
To ensure the high-impedance state during power up or power down, OE should be tied to VCCB through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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. If either VCC input is at GND,
both ports are in the high-impedance state.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
Widebus, DOC are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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