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74ALVCH16240 반도체 회로 부품 판매점

Low Voltage 16-Bit Inverting Buffer/Line Driver with Bushold



Fairchild Semiconductor 로고
Fairchild Semiconductor
74ALVCH16240 데이터시트, 핀배열, 회로
September 2001
Revised February 2002
74ALVCH16240
Low Voltage 16-Bit Inverting Buffer/Line Driver
with Bushold
General Description
The ALVCH16240 contains sixteen inverting buffers with
3-STATE outputs to be employed as a memory and
address driver, clock driver, or bus oriented transmitter/
receiver. The device is nibble (4-bit) controlled. Each nibble
has separate 3-STATE control inputs which can be shorted
together for full 16-bit operation.
The ALVCH16240 data inputs include active bushold cir-
cuitry, eliminating the need for external pull-up resistors to
hold unused or floating inputs at a valid logic level.
The 74ALVCH16240 is designed for low voltage (1.65V to
3.6V) VCC applications with output capability up to 3.6V.
The 74ALVCH16240 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s 1.65V to 3.6V VCC supply operation
s 3.6V tolerant control inputs and outputs
s Bushold on data inputs eliminates the need for external
pull-up/pull-down resistors
s tPD
3.9 ns max for 3.0V to 3.6V VCC
5.3 ns max for 2.3V to 2.7V VCC
6.0 ns max for 1.65V to 1.95V VCC
s Uses patented noise/EMI reduction circuitry
s Latch-up conforms to JEDEC JED78
s ESD performance:
Human body model > 2000V
Machine model > 200V
Ordering Code:
Order Number
Package
Number
Package Descriptions
74ALVCH16240T
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OEn
I0I15
O0O15
Description
Output Enable Input (Active LOW)
Bushold Inputs
Outputs
© 2002 Fairchild Semiconductor Corporation DS500629
www.fairchildsemi.com


74ALVCH16240 데이터시트, 핀배열, 회로
Connection Diagram
Truth Tables
OE1
L
L
H
Inputs
I0I3
L
H
X
Outputs
O0O3
H
L
Z
Functional Description
The 74ALVCH16240 contains sixteen inverting buffers with
3-STATE outputs. The device is nibble (4 bits) controlled
with each nibble functioning identically, but independent of
each other. The control pins may be shorted together to
obtain full 16-bit operation.The 3-STATE outputs are con-
Logic Diagram
Inputs
OE2
L
L
H
I4–I7
L
H
X
Outputs
O4–O7
H
L
Z
Inputs
OE3
L
L
H
I8–I11
L
H
X
Outputs
O8–O11
H
L
Z
Inputs
Outputs
OE4
I12–I15
O12–O15
LLH
L HL
HXZ
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial (HIGH or LOW, inputs may not float)
Z = High Impedance
trolled by an Output Enable (OEn) input. When OEn is
LOW, the outputs are in the 2-state mode. When OEn is
HIGH, the standard outputs are in the high impedance
mode but this does not interfere with entering new data into
the inputs.
www.fairchildsemi.com
2




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74ALVCH16240 driver

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