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What is 74LVTH162244?

This electronic component, produced by the manufacturer "Fairchild Semiconductor", performs the same function as "Low Voltage 16-Bit Buffer/Line Driver".


74LVTH162244 Datasheet PDF - Fairchild Semiconductor

Part Number 74LVTH162244
Description Low Voltage 16-Bit Buffer/Line Driver
Manufacturers Fairchild Semiconductor 
Logo Fairchild Semiconductor Logo 


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March 1999
Revised June 2005
74LVT162244 74LVTH162244
Low Voltage 16-Bit Buffer/Line Driver
with 3-STATE Outputs
and 25: Series Resistors in the Outputs
General Description
The LVT162244 and LVTH162244 contain sixteen non-
inverting buffers with 3-STATE outputs designed to be
employed as a memory and address driver, clock driver, or
bus oriented transmitter/receiver. The device is nibble con-
trolled. Individual 3-STATE control inputs can be shorted
together for 8-bit or 16-bit operation.
The LVT162244 and LVTH162244 are designed with
equivalent 25: series resistance in both the HIGH and
LOW states of the output. This design reduces line noise in
applications such as memory address drivers, clock driv-
ers, and bus transceivers/transmitters.
The LVTH162244 data inputs include bushold, eliminating
the need for external pull-up resistors to hold unused
inputs.
These 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 LVT162244 and
LVTH162244 are fabricated with an advanced BiCMOS
technology to achieve high speed operation similar to 5V
ABT while maintaining a low power dissipation.
Features
s Input and output interface capability to systems at
5V VCC
s Bushold data inputs eliminate the need for external pull-
up resistors to hold unused inputs (74LVTH162244),
also available without bushold feature (74LVT162244).
s Live insertion/extraction permitted
s Power Up/Power Down high impedance provides glitch-
free bus loading
s Outputs include equivalent series resistance of 25: to
make external termination resistors unnecessary and
reduce overshoot and undershoot
s Functionally compatible with the 74 series 162244
s Latch-up performance exceeds 500 mA
s ESD performance:
Human-body model ! 2000V
Machine model ! 200V
Charged-device ! 1000V
s Also packaged in plastic Fine-Pitch Ball Grid Array
(FBGA)
Ordering Code:
Order Number
Package
Number
Package Description
74LVT162244G
(Note 1)(Note 2)
BGA54A 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
74LVT162244MEA
(Note 2)
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
74LVT162244MTD
(Note 2)
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
74LVTH162244G
(Note 1)(Note 2)
BGA54A 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
74LVTH162244MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
[Tube]
74LVTH162244MEX
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300" Wide
[Tape and Reel]
74LVTH162244MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
[Tube]
74LVTH162244MTX
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
[Tape and Reel]
Note 1: Ordering code “G” indicates Trays.
Note 2: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
© 2005 Fairchild Semiconductor Corporation DS012445
www.fairchildsemi.com

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74LVTH162244 equivalent
DC Electrical Characteristics (Continued)
Symbol
Parameter
ICCZ
Power Supply Current
VCC
TA 40qC to 85qC
Units
(V) Min Max
3.6
0.19
mA
'ICC
Increase in Power Supply Current
(Note 8)
3.6
0.2 mA
Note 5: Applies to bushold versions only (74LVTH162244).
Note 6: An external driver must source at least the specified current to switch from LOW-to-HIGH.
Note 7: An external driver must sink at least the specified current to switch from HIGH-to-LOW.
Note 8: This is the increase in supply current for each input that is at the specified voltage level rather than VCC or GND.
Conditions
VCC d VO d 5.5V,
Outputs Disabled
One Input at VCC  0.6V
Other Inputs at VCC or GND
Dynamic Switching Characteristics (Note 9)
Symbol
Parameter
VCC TA 25qC
(V) Min Typ Max
VOLP
VOLV
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
3.3
3.3
0.8
0.8
Note 9: Characterized in SSOP package. Guaranteed parameter, but not tested.
Note 10: Max number of outputs defined as (n). n1 data inputs are driven 0V to 3V. Output under test held LOW.
Units
V
V
Conditions
CL 50 pF, RL 500:
(Note 10)
(Note 10)
AC Electrical Characteristics
Symbol
Parameter
TA 40qC to 85qC, CL
VCC 3.3V r 0.3V
Min Max
50 pF, RL
VCC
Min
500:
2.7V
Max
Units
tPLH Propagation Delay Data to Output
tPHL
1.4 4.0 1.4 4.8
ns
1.2 3.7 1.2 4.1
tPZH
tPZL
Output Enable Time
1.2 5.1 1.2 6.5
ns
1.4 5.4 1.4 6.9
tPHZ
tPLZ
Output Disable Time
2.0 5.0 2.0 5.4
ns
1.5 5.0 1.5 5.4
tOSHL
tOSLH
Output to Output Skew
(Note 11)
1.0 1.0 ns
Note 11: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Capacitance (Note 12)
Symbol
Parameter
Conditions
CIN Input Capacitance
COUT
Output Capacitance
Note 12: Capacitance is measured at frequency f
VCC 0V, VI 0V or VCC
VCC 3.0V, VO 0V or VCC
1 MHz, per MIL-STD-883, Method 3012.
Typical
4
8
Units
pF
pF
5 www.fairchildsemi.com


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