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Fairchild Semiconductor Electronic Components Datasheet

74LVT2244 Datasheet

Low Voltage Octal Buffer/Line Driver

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74LVT2244 pdf
February 2008
74LVT2244, 74LVTH2244
Low Voltage Octal Buffer/Line Driver with 3-STATE
Outputs and 25Series Resistors in the Outputs
Features
Input and output interface capability to systems at
5V VCC
Equivalent 25-Series resistors on outputs
Bushold data inputs eliminate the need for external
pull-up resistors to hold unused inputs (74LVTH2244),
also available without bushold feature (74LVT2244)
Live insertion/extraction permitted
Power Up/Down high impedance provides glitch-free
bus loading
Outputs source/sink –12mA/+12mA
Latch-up performance exceeds 500mA
ESD performance:
– Human-body model > 2000V
– Machine model > 200V
– Charged-device model > 1000V
General Description
The LVT2244 and LVTH2244 are 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 LVTH2244 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
These octal buffers and line drivers are designed for low-
voltage (3.3V) VCC applications, but with the capability to
provide a TTL interface to a 5V environment. The
LVT2244 and LVTH2244 are fabricated with an
advanced BiCMOS technology to achieve high speed
operation similar to 5V ABT while maintaining low power
dissipation.
Ordering Information
Order Number
74LVT2244WM
74LVT2244SJ
74LVT2244MTC
74LVTH2244WM
74LVTH2244SJ
74LVTH2244MTC
Package
Number
M20B
M20D
MTC20
M20B
M20D
MTC20
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
All packages are lead free per JEDEC: J-STD-020B standard.
©1999 Fairchild Semiconductor Corporation
74LVT2244, 74LVTH2244 Rev. 1.5.0
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

74LVT2244 Datasheet

Low Voltage Octal Buffer/Line Driver

No Preview Available !

74LVT2244 pdf
Connection Diagram
Logic Symbol
IEEE/IEC
Pin Description
Pin Names
OE1, OE2
I0–I7
O0–O7
Description
3-STATE Output Enable Inputs
Inputs
Outputs
Truth Tables
Inputs
OE1
L
In
L
LH
HX
Inputs
OE2
L
In
L
LH
HX
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
(Pins 12, 14, 16, 18)
L
H
Z
Outputs
(Pins 3, 5, 7, 9)
L
H
Z
©1999 Fairchild Semiconductor Corporation
74LVT2244, 74LVTH2244 Rev. 1.5.0
2
www.fairchildsemi.com


Part Number 74LVT2244
Description Low Voltage Octal Buffer/Line Driver
Maker Fairchild Semiconductor
Total Page 9 Pages
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