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74LVT16244MTD PDF даташит

Спецификация 74LVT16244MTD изготовлена ​​​​«Fairchild Semiconductor» и имеет функцию, называемую «Low Voltage16-Bit Buffer/Line Driver with 3-STATE Outputs».

Детали детали

Номер произв 74LVT16244MTD
Описание Low Voltage16-Bit Buffer/Line Driver with 3-STATE Outputs
Производители Fairchild Semiconductor
логотип Fairchild Semiconductor логотип 

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74LVT16244MTD Даташит, Описание, Даташиты
March 1999
Revised April 1999
74LVT16244 • 74LVTH16244
Low Voltage16-Bit Buffer/Line Driver
with 3-STATE Outputs
General Description
The LVT16244 and LVTH16244 contain sixteen non-invert-
ing buffers with 3-STATE outputs designed to be employed
as a memory and address driver, clock driver, or bus ori-
ented transmitter/receiver. The device is nibble controlled.
Individual 3-STATE control inputs can be shorted together
for 8-bit or 16-bit operation.
The LVTH16244 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 LVT16244 and
LVTH16244 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 (74LVTH16244), also
available without bushold feature (74LVT16244).
s Live insertion/extraction permitted
s Power Up/Down high impedance provides glitch-free
bus loading
s Outputs source/sink 32 mA/+64 mA
s Functionally compatible with the 74 series 16244
s Latch-up performance exceeds 500 mA
Ordering Code:
Order Number
Package
Number
Package Description
74LVT16244MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74LVT16244MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
74LVTH16244MEA
MS48A
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74LVTH16244MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
© 1999 Fairchild Semiconductor Corporation DS500151
Print form created on April 12, 1999 2:43 pm
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74LVT16244MTD Даташит, Описание, Даташиты
Connection Diagram
Functional Description
The LVT16244 and LVTH16244 contain sixteen non-invert-
ing buffers with 3-STATE outputs. The device is nibble (4
bits) controlled with each nibble functioning identically, but
independent of the other. The control pins can be shorted
together to obtain full 16-bit operation.
Logic Diagram
Pin Descriptions
Pin Names
OEn
I0–I15
O0–O15
Description
Output Enable Inputs (Active Low)
Inputs
Outputs
Truth Table
Inputs
OE1
I0–I3
LL
LH
HX
Inputs
OE2
I4–I7
LL
LH
HX
Inputs
OE3
I8–I11
LL
LH
HX
Inputs
OE4
L
L
H
H = High Voltage Level
L = Low Voltage Level
X = Immaterial
Z = High Impedance
I12–I15
L
H
X
Outputs
O0–O3
L
H
Z
Outputs
O4–O7
L
H
Z
Outputs
O8–O11
L
H
Z
Outputs
O12–O15
L
H
Z
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74LVT16244MTD Даташит, Описание, Даташиты
Absolute Maximum Ratings(Note 1)
Symbol
VCC
VI
VO
Parameter
Supply Voltage
DC Input Voltage
Output Voltage
IIK DC Input Diode Current
IOK DC Output Diode Current
IO DC Output Current
ICC
IGND
TSTG
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
Value
0.5 to +4.6
0.5 to +7.0
0.5 to +7.0
0.5 to +7.0
50
50
64
128
±64
±128
65 to +150
Recommended Operating Conditions
Conditions
Output in 3-STATE
Output in High or Low State (Note 2)
VI < GND
VO < GND
VO > VCC Output at HIGH State
VO > VCC Output at LOW State
Units
V
V
V
mA
mA
mA
mA
mA
°C
Symbol
Parameter
Min Max Units
VCC Supply Voltage
2.7 3.6
V
VI Input Voltage
0 5.5
V
IOH High-Level Output Current
32 mA
IOL Low-Level Output Current
64 mA
TA Free Air Operating Temperature
40 +85
°C
t/V
Input Edge Rate, VIN = 0.8V–2.0V, VCC = 3.0V
0 10 ns/V
Note 1: Absolute Maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or conditions
beyond those indicated may adversely affect device reliability. Functional operation under absolute maximum rated conditions is not implied.
Note 2: IO Absolute Maximum Rating must be observed.
DC Electrical Characteristics
Symbol
Parameter
VIK Input Clamp Diode Voltage
VIH Input HIGH Voltage
VIL Input LOW Voltage
VOH Output HIGH Voltage
VOL Output LOW Voltage
II(HOLD)
(Note 4)
II(OD)
(Note 4)
II
IOFF
IPU/PD
IOZL
IOZH
Bushold Input Minimum Drive
Bushold Input Over-Drive
Current to Change State
Input Current
Control Pins
Data Pins
Power Off Leakage Current
Power Up/Down
3-STATE Current
3-STATE Output Leakage Current
3-STATE Output Leakage Current
VCC
(V)
2.7
2.7–3.6
2.7–3.6
2.7–3.6
2.7
3.0
2.7
2.7
3.0
3.0
3.0
3.0
3.0
3.6
3.6
3.6
0
0 – 1.5V
TA = −40°C to +85°C
Min Typ Max
(Note 3)
1.2
2.0
0.8
VCC 0.2
2.4
2.0
0.2
0.5
0.4
0.5
0.55
75
75
500
500
10
±1
5
1
±100
±100
3.6 5
3.6 5
Units
Conditions
V II = −18 mA
V VO 0.1V or
V VO VCC 0.1V
IOH = −100 µA
V IOH = −8 mA
IOH = −32 mA
IOL = 100 µA
IOL = 24 mA
V IOL = 16 mA
IOL = 32 mA
IOL = 64 mA
µA VI = 0.8V
VI = 2.0V
(Note 5)
µA
(Note 6)
VI = 5.5V
µA VI = 0V or VCC
VI = 0V
VI = VCC
µA 0V VI or VO 5.5V
µA VO = 0.5V to 3.0V
VI = GND or VCC
µA VO = 0.5V
µA VO = 3.0V
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Номер в каталогеОписаниеПроизводители
74LVT16244MTDLow Voltage16-Bit Buffer/Line Driver with 3-STATE OutputsFairchild Semiconductor
Fairchild Semiconductor

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