Datasheet

Seemechanicaldrawingsfordimensions.
DCTPACKAGE
(TOP VIEW)
DCUPACKAGE
(TOP VIEW)
1
V
CC
8
1OE
2
7
1A 2OE
3 6
2Y
1Y
4
5
GND
2A
3 6
1Y2Y
8
1
V
CC
1OE
5
GND
4
2A
2
7
2OE
1A
GND
5
4
2A
3
6
1Y2Y
2
7
2OE1A
8
V
CC
1
1OE
YZP PACKAGE
(BOTTOMVIEW)
SN74LVC2G240
www.ti.com SCES208I –APRIL 1999–REVISED NOVEMBER 2013
Dual Buffer Driver With 3-State Outputs
Check for Samples: SN74LVC2G240
1
FEATURES
DESCRIPTION
This dual buffer driver is designed for 1.65-V to 5.5-V
2
• Available in the Texas Instruments NanoFree™
V
CC
operation.
Package
The SN74LVC2G240 device is designed specifically
• Supports 5-V V
CC
Operation
to improve the performance and density of 3-state
• Inputs Accept Voltages to 5.5 V
memory address drivers, clock drivers, and bus-
• Max t
pd
of 4.6 ns at 3.3 V
oriented receivers and transmitters.
• Low Power Consumption, 10-µA Max I
CC
NanoFree™ package technology is a major
• ±24-mA Output Drive at 3.3 V
breakthrough in IC packaging concepts, using the die
as the package.
• Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25°C
This device is organized as two 1-bit buffers/drivers
• Typical V
OHV
(Output V
OH
Undershoot)
with separate output-enable (OE) inputs. When OE is
low, the device passes data from the A input to the Y
>2 V at V
CC
= 3.3 V, T
A
= 25°C
output. When OE is high, the outputs are in the high-
• I
off
Supports Live Insertion, Partial-Power-
impedance state.
Down Mode, and Back-Drive Protection
To ensure the high-impedance state during power up
• Can Be Used as a Down Translator to
or power down, OE should be tied to V
CC
through a
Translate Inputs From a Max of 5.5 V Down to
pullup resistor; the minimum value of the resistor is
the V
CC
Level
determined by the current-sinking capability of the
• Latch-Up Performance Exceeds 100 mA Per
driver.
JESD 78, Class II
This device is fully specified for partial-power-down
• ESD Protection Exceeds JESD 22
applications using I
off
. The I
off
circuitry disables the
– 2000-V Human-Body Model (A114-A)
outputs, preventing damaging current backflow
through the device when it is powered down.
– 1000-V Charged-Device Model (C101)
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.
2NanoFree is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, 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.