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SN74ABT2244A

更新时间： 2024-10-01 23:06:11
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德州仪器 - TI 输出元件驱动
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8页 119K
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OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS

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SN74ABT2244A 数据手册

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SN54ABT2244A, SN74ABT2244A  
OCTAL BUFFERS AND LINE/MOS DRIVERS  
WITH 3-STATE OUTPUTS  
SCBS106E – JANUARY 1991 – REVISED MAY 1997  
SN54ABT2244A . . . J OR W PACKAGE  
SN74ABT2244A . . . DB, DW, N, OR PW PACKAGE  
(TOP VIEW)  
Output Ports Have Equivalent 25-Ω Series  
Resistors, So No External Resistors Are  
Required  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
1OE  
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
V
CC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
Latch-Up Performance Exceeds 500 mA Per  
JEDEC Standard JESD-17  
State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
13 2A2  
12 1Y4  
Typical V  
(Output Ground Bounce) < 1 V  
OLP  
at V  
= 5 V, T = 25°C  
CC  
A
11  
2A1  
High-Impedance State During Power Up  
and Power Down  
SN54ABT2244A . . . FK PACKAGE  
(TOP VIEW)  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages, Ceramic Chip Carriers (FK),  
Plastic (N) and Ceramic (J) DIPs, and  
Ceramic Flat (W) Packages  
3
2
1 20 19  
18  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
1A2  
2Y3  
1A3  
2Y2  
1A4  
4
5
6
7
8
17  
16  
15  
14  
description  
These octal buffers and line drivers are 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 SN54ABT2240,  
SN74ABT2240A, and ’ABT2241, these devices  
provide the choice of selected combinations of  
inverting and noninverting outputs, symmetrical  
active-low output-enable (OE) inputs, and  
complementaryOEandOEinputs. Thesedevices  
feature high fan-out and improved fan-in.  
9 10 11 12 13  
The outputs, which are designed to sink up to 12 mA, include equivalent 25-Ω series resistors to reduce  
overshoot and undershoot.  
When V  
is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.  
CC  
However, to ensure the high-impedance state above 2.1 V, OE should be tied to V  
the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup resistor;  
CC  
The SN54ABT2244A is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74ABT2244A is characterized for operation from –40°C to 85°C.  
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-ΙΙB is a trademark of Texas Instruments Incorporated.  
Copyright 1997, 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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
12345678

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SN74ABT2244ANE4 TI

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SN74ABT2244APW TI

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 		OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS

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