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74LVTH16244ADGGRG4 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. 74LVTH16244ADGGRG4
Description  3.3-V ABT 16-Bit Buffers/Drivers With 3-State Outputs
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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74LVTH16244ADGGRG4 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54LVTH16244A, SN74LVTH16244A
www.ti.com
SCBS142U – MAY 1992 – REVISED OCTOBER 2013
3.3-V ABT 16-Bit Buffers/Drivers With 3-State Outputs
Check for Samples: SN54LVTH16244A, SN74LVTH16244A
1
FEATURES
DESCRIPTION
The 'LVTH16244A devices are 16-bit buffers and line
2
Members of the Texas Instruments Widebus™
drivers
designed
for
low-voltage
(3.3-V)
VCC
Family
operation, but with the capability to provide a TTL
State-of-the-Art Advanced BiCMOS
interface to a 5-V system environment. These devices
Technology (ABT) Design for 3.3-V
can be used as four 4-bit buffers, two 8-bit buffers, or
Operation and Low Static-Power
one 16-bit buffer. These devices provide true outputs
Dissipation
and symmetrical active-low output-enable (OE)
inputs.
Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
Active bus-hold circuitry holds unused or undriven
3.3-V VCC)
inputs at a valid logic state. Use of pullup or pulldown
resistors
with
the
bus-hold
circuitry
is
not
Support Unregulated Battery Operation
recommended.
Down to 2.7 V
When VCC is between 0 and 1.5 V, the devices are in
Typical VOLP (Output Ground Bounce)
the high-impedance state during power up or power
<0.8 V at VCC = 3.3 V, TA = 25°C
down. However, to ensure the high-impedance state
Ioff and Power-Up 3-State Support Hot
above 1.5 V, OE should be tied to VCC through a
Insertion
pullup resistor; the minimum value of the resistor is
Bus Hold on Data Inputs Eliminates the Need
determined by the current-sinking capability of the
for External Pullup/Pulldown Resistors
driver.
Latch-Up Performance Exceeds 500 mA
These devices are fully specified for hot-insertion
Per JESD 17
applications using Ioff and power-up 3-state. The Ioff
circuitry disables the outputs, preventing damaging
ESD Protection Exceeds JESD 22
current backflow through the devices when they are
2000-V Human-Body Model (A114-A)
powered down. The power-up 3-state circuitry places
200-V Machine Model (A115-A)
the outputs in the high-impedance state during power
up and power down, which prevents driver conflict.
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 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 1992–2013, 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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