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74ACT16244 Datasheet Preview

74ACT16244 Datasheet

16-BIT BUFFERS/LINE DRIVERS

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SN54ACT16244, 74ACT16244
16-BIT BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCAS116B – MARCH 1990 – REVISED APRIL 1996
D Members of the Texas Instruments
WidebusFamily
D Inputs Are TTL-Voltage Compatible
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
D Flow-Through Architecture Optimizes
PCB Layout
D Distributed VCC and GND Pin
Configurations Minimize High-Speed
Switching Noise
D EPIC (Enhanced-Performance Implanted
CMOS) 1-mm Process
D 500-mA Typical Latch-Up Immunity at
125°C
D Package Options Include Plastic Shrink
Small-Outline (DL) and Thin Shrink
Small-Outline (DGG) Packages, and 380-mil
Fine-Pitch Ceramic Flat (WD) Packages
Using 25-mil Center-to-Center Pin Spacings
description
The SN54ACT16244 and 74ACT16244 are 16-bit
buffers/line drivers designed specifically to
improve both the performance and density of
3-state memory address drivers, clock drivers,
and bus-oriented receivers and transmitters.
They can be used as four 4-bit buffers, two 8-bit
buffers, or one 16-bit buffer. The devices provide
true outputs and symmetrical OE (active-low)
output-enable inputs.
SN54ACT16244 . . . WD PACKAGE
74ACT16244 . . . DGG OR DL PACKAGE
(TOP VIEW)
1OE 1
1Y1 2
1Y2 3
GND 4
1Y3 5
1Y4 6
VCC 7
2Y1 8
2Y2 9
GND 10
2Y3 11
2Y4 12
3Y1 13
3Y2 14
GND 15
3Y3 16
3Y4 17
VCC 18
4Y1 19
4Y2 20
GND 21
4Y3 22
4Y4 23
4OE 24
48 2OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCC
41 2A1
40 2A2
39 GND
38 2A3
37 2A4
36 3A1
35 3A2
34 GND
33 3A3
32 3A4
31 VCC
30 4A1
29 4A2
28 GND
27 4A3
26 4A4
25 3OE
The 74ACT16244 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and
functionality of standard small-outline packages in the same printed-circuit-board area.
The SN54ACT16244 is characterized for operation over the full military temperature range of –55°C to 125°C.
The 74ACT16244 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
(each driver)
INPUTS
OE
A
OUTPUT
Y
L
H
H
L
L
L
H
X
Z
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 and Widebus are trademarks 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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74ACT16244 Datasheet Preview

74ACT16244 Datasheet

16-BIT BUFFERS/LINE DRIVERS

No Preview Available !

SN54ACT16244, 74ACT16244
16-BIT BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCAS116B – MARCH 1990 – REVISED APRIL 1996
logic symbol
1
1OE
48
2OE
25
3OE
24
4OE
47
1A1
46
1A2
44
1A3
43
1A4
41
2A1
40
2A2
38
2A3
37
2A4
36
3A1
35
3A2
33
3A3
32
3A4
30
4A1
29
4A2
27
4A3
26
4A4
EN1
EN2
EN3
EN4
11
12
13
14
2
1Y1
3
1Y2
5
1Y3
6
1Y4
8
2Y1
9
2Y2
11
2Y3
12
2Y4
13
3Y1
14
3Y2
16
3Y3
17
3Y4
19
4Y1
20
4Y2
22
4Y3
23
4Y4
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number 74ACT16244
Description 16-BIT BUFFERS/LINE DRIVERS
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74ACT16244 Datasheet PDF






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