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SN74AVCB164245 Datasheet(PDF) 1 Page - Texas Instruments

Part No. SN74AVCB164245
Description  16-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74AVCB164245 Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
SN74AVCB164245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES394D – JUNE 2002 – REVISED JUNE 2005
Overvoltage-Tolerant Inputs/Outputs Allow
Mixed-Voltage-Mode Data Communications
Member of the Texas Instruments Widebus™
Family
Ioff Supports Partial-Power-Down Mode
Operation
DOC™ Circuitry Dynamically Changes Output
Impedance, Resulting in Noise Reduction
Fully Configurable Dual-Rail Design Allows
Without Speed Degradation
Each Port to Operate Over Full 1.4-V to 3.6-V
Power-Supply Range
Dynamic Drive Capability Is Equivalent to
Standard Outputs With IOH and IOL of ±24 mA
Latch-Up Performance Exceeds 100 mA Per
at 2.5-V VCC
JESD 78, Class II
Control Inputs VIH/VIL Levels Are Referenced
ESD Protection Exceeds JESD 22
to VCCB Voltage
– 2000-V Human-Body Model (A114-A)
If Either VCC Input Is at GND, Both Ports Are in
– 200-V Machine Model (A115-A)
the High-Impedance State
– 1000-V Charged-Device Model (C101)
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.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
FBGA – GRD
Tape and reel
74AVCB164245GRDR
WB4245
FBGA – ZRD (Pb-Free)
Tape and reel
74AVCB164245ZRDR
TSSOP – DGG
Tape and reel
SN74AVCB164245GR
AVCB164245
–40
°C to 85°C
TVSOP – DGV
Tape and reel
SN74AVCB164245VR
WB4245
VFBGA – GQL
Tape and reel
SN74AVCB164245KR
VFBGA – ZQL (Pb-Free)
Tape and reel
74AVCB164245ZQLR
WB4245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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.
Widebus, DOC are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2005, 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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