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74AC11244DBR 데이터시트(HTML) 1 Page - Texas Instruments

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부품명 74AC11244DBR
상세내용  OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
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제조사  TI [Texas Instruments]
홈페이지  http://www.ti.com
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74AC11244DBR 데이터시트(HTML) 1 Page - Texas Instruments

   
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74AC11244
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS171B – MARCH 1987 – REVISED SEPTEMBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D EPIC™ (Enhanced-Performance Implanted
CMOS ) 1-
µm Process
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
D Flow-Through Architecture Optimizes PCB
Layout
D Center-Pin VCC and GND Pin
Configurations Minimize High-Speed
Switching Noise
D 500-mA Typical Latch-Up Immunity at
125
°C
D Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, and Standard Plastic DIPs (NT)
description
The 74AC11244 is an octal buffer or line driver designed specifically to improve both the performance and
density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The
device can be used as two 4-bit buffers or one 8-bit buffer, with active-low output-enable (OE) inputs.
When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the
outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The 74AC11244 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each driver)
INPUTS
OUTPUT
OE
A
Y
L
H
H
L
LL
H
X
Z
Copyright
© 1998, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
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1Y1
1Y2
1Y3
1Y4
GND
GND
GND
GND
2Y1
2Y2
2Y3
2Y4
1OE
1A1
1A2
1A3
1A4
VCC
VCC
2A1
2A2
2A3
2A4
2OE
DB, DW, NT, OR PW PACKAGE
(TOP VIEW)


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