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74ACT11244NSR OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS TI
Texas Instruments TI
74ACT11244NSR Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
D Inputs Are TTL-Voltage Compatible
D Flow-Through Architecture Optimizes
PCB Layout
D Center-Pin VCC and GND Configurations to
Minimize High-Speed Switching Noise
D EPICt (Enhanced-Performance Implanted
CMOS) 1-mm Process
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 300-mil
DIPs (NT)
74ACT11244
OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
SCAS006C – AUGUST 1987 – REVISED APRIL 1996
DB, DW, NT, OR PW PACKAGE
(TOP VIEW)
1Y1 1
1Y2 2
1Y3 3
1Y4 4
GND 5
GND 6
GND 7
GND 8
2Y1 9
2Y2 10
2Y3 11
2Y4 12
24 1OE
23 1A1
22 1A2
21 1A3
20 1A4
19 VCC
18 VCC
17 2A1
16 2A2
15 2A3
14 2A4
13 2OE
description
ThIs octal buffer or line driver is designed specifically to improve both the performance and density of 3-state
memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Together with the
’ACT11240, this device provides the choice of various combinations of inverting and noninverting outputs.
The 74ACT11244 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
OUTPUT
ENABLE
1OE, 2OE
DATA
INPUT
A
OUTPUT
Y
H
X
Z
L
L
L
L
H
H
logic symbol
24
1OE
EN
13
2OE
EN
23
1A1
20
22
1A2
21
1A3
20
1A4
1
1Y1
2
1Y2
3
1Y3
4
1Y4
17
2A1
16
2A2
15
2A3
14
2A4
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
9
2Y1
10
2Y2
11
2Y3
12
2Y4
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.
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.
Copyright © 1996, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1
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