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Fairchild Semiconductor Electronic Components Datasheet

74LVT2240 Datasheet

Low Voltage Inverting Octal Buffer/Line Driver with 3-STATE Outputs

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July 1999
Revised August 1999
74LVT2240 • 74LVTH2240
Low Voltage Inverting Octal Buffer/Line Driver
with 3-STATE Outputs
General Description
The LVT2240 and LVTH2240 are inverting octal buffers
and line drivers designed to be employed as memory
address drivers, clock drivers and bus oriented transmitters
or receivers which provides improved PC board density.
The equivalent 25-Series resistors helps reduce output
overshoot and undershoot.
The LVTH2240 data inputs include bushold, eliminating the
need for external pull-up resistors to hold unused inputs.
These inverting octal buffers and line drivers are designed
for low-voltage (3.3V) VCC applications, but with the capa-
bility to provide a TTL interface to a 5V environment. The
LVT2240 and LVTH2240 are fabricated with an advanced
BiCMOS technology to achieve high speed operation simi-
lar to 5V ABT while maintaining low power dissipation.
Features
s Input and output interface capability to systems at
5V VCC
s Equivalent 25-Series resistors on outputs
s Bushold data inputs eliminate the need for external pull-
up resistors to hold unused inputs (74LVTH2240), also
available without bushold feature (74LVT2240).
s Live insertion/extraction permitted
s Power Up/Down high impedance provides glitch-free
bus loading
s Outputs source/sink 12 mA/+12 mA
s Latch-up performance exceeds 500 mA
Ordering Code:
Order Number Package Number
Package Description
74LVT2240WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74LVT2240SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LVT2240MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74LVTH2240WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74LVTH2240SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LVTH2240MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS500212
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

74LVT2240 Datasheet

Low Voltage Inverting Octal Buffer/Line Driver with 3-STATE Outputs

No Preview Available !

Pin Descriptions
Pin Names
Description
OE1, OE2
I0–I7
O0–O7
3-STATE Output Enable Inputs
Inputs
Outputs
Truth Tables
Inputs
OE1
L
L
H
In
L
H
X
Inputs
OE2
L
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
In
L
H
X
Outputs
(Pins 12, 14, 16, 18)
H
L
Z
Outputs
(Pins 3, 5, 7, 9)
H
L
Z
www.fairchildsemi.com
2


Part Number 74LVT2240
Description Low Voltage Inverting Octal Buffer/Line Driver with 3-STATE Outputs
Maker Fairchild Semiconductor
Total Page 6 Pages
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