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74LCXH16244 Datasheet

  • 74LCXH16244

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

  • 9頁

  • FAIRCHILD

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74LCXH16244 Low Voltage 16-Bit Buffer/Line Driver with Bushold
September 2000
Revised September 2000
74LCXH16244
Low Voltage 16-Bit Buffer/Line Driver with Bushold
General Description
The LCXH16244 contains sixteen non-inverting buffers
with 3-STATE outputs designed to be employed as a mem-
ory and address driver, clock driver, or bus oriented trans-
mitter/receiver. The device is nibble controlled. Each nibble
has separate 3-STATE control inputs which can be shorted
together for full 16-bit operation.
The LCXH16244 data inputs include active bushold cir-
cuitry, eliminating the need for external pull-up resistors to
hold unused or floating data inputs at a valid logic level.
The LCXH16244 is designed for low voltage (2.5V or 3.3V)
V
CC
applications with capability of interfacing to a 5V signal
environment.
The LCXH16244 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
Features
s
5V tolerant control inputs and outputs
s
2.3V鈥?.6V V
CC
specifications provided
s
4.5 ns t
PD
max (V
CC
=
3.0V), 20
碌
A I
CC
max
s
Bushold on inputs eliminates the need for external
pull-up/pull-down resistors
s
Power down high impedance inputs and outputs
s
鹵
24 mA output drive (V
CC
=
3.0V)
s
Implements patented noise/EMI reduction circuitry
s
Latch-up performance exceeds 500 mA
s
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Ordering Code:
Order Number
74LCXH16244MEA
74LCXH16244MTD
Package Number
MS48A
MTD48
Package Description
48-Lead Small Shrink Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
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 鈥淴鈥?to the ordering code.
Connection Diagram
Logic Symbol
Pin Descriptions
Pin Names
OE
n
I
0
鈥揑
15
O
0
鈥揙
15
Description
Output Enable Input (Active LOW)
Bushold Inputs
Outputs
漏 2000 Fairchild Semiconductor Corporation
DS500248
www.fairchildsemi.com

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