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SN74LVCR162245 Datasheet(PDF) 1 Page - Texas Instruments

Part No. SN74LVCR162245
Description  16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74LVCR162245 Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION/ORDERING INFORMATION
DGG OR DL PACKAGE
(TOP VIEW)
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1DIR
1B1
1B2
GND
1B3
1B4
VCC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
VCC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC
2A5
2A6
GND
2A7
2A8
2OE
This device can be used as two 8-bit transceivers or one 16-bit transceiver. It allows data transmission from the
SN74LVCR162245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES047E – AUGUST 1995 – REVISED MARCH 2005
Member of the Texas Instruments Widebus™
Family
Operates From 2.7 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max tpd of 8.5 ns at 3.3 V
Typical VOLP (Output Ground Bounce) < 0.8 V
at VCC = 3.3 V, TA = 25°C
Typical VOHV (Output VOH Undershoot) > 2 V at
VCC = 3.3 V, TA = 25°C
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
All Outputs Have Equivalent 26-
Ω Series
Resistors, So No External Resistors Are
Required
Latch-Up Performance Exceeds 250 mA Per
JEDEC Standard JESD-17
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
This 16-bit (dual-octal) noninverting bus transceiver is
designed for 2.7-V to 3.6-V VCC operation.
The SN74LVCR162245 is designed for asynchronous
communication
between
data
buses.
The
control-function implementation minimizes external
timing requirements.
A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR)
input. The output-enable (OE) input can be used to disable the device so that the buses effectively are isolated.
All outputs, which are designed to sink up to 12 mA, include 26-
Ω resistors to reduce overshoot and undershoot.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. Use of pullup or
pulldown resistors with the bus-hold circuitry is not recommended. The bus-hold circuitry is part of the input
circuit and is not disabled by OE or DIR.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
Tube
SN74LVCR162245DL
SSOP – DL
LVCR162245
Tape and reel
SN74LVCR162245DLR
–40
°C to 85°C
TSSOP – DGG
Tape and reel
SN74LVCR162245DGGR
LVCR162245
VFBGA – GQL
SN74LVCR162245KR
Tape and reel
LEP245
VFBGA – ZQL (Pb-free)
74LVCR162245ZQLR
(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 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 1995–2005, 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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