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SN74ABT16244ADGV PDF预览

SN74ABT16244ADGV

更新时间: 2024-01-27 17:34:15
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德州仪器 - TI 驱动器输出元件
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12页 184K
描述
16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN74ABT16244ADGV 数据手册

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SN54ABT16244, SN74ABT16244A  
16-BIT BUFFERS/DRIVERS  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCBS073HSEPTEMBER 1991REVISED AUGUST 2005  
FEATURES  
SN54ABT16244. . . WD PACKAGE  
SN74ABT16244A. . . DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Members of the Texas Instruments  
Widebus™ Family  
State-of-the-Art EPIC-IIB™ BiCMOS Design  
Significantly Reduces Power Dissipation  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
1OE  
1Y1  
1Y2  
GND  
1Y3  
1Y4  
2OE  
1A1  
1A2  
GND  
1A3  
1A4  
2
Latch-Up Performance Exceeds 500 mA Per  
JESD 70  
3
4
Typical VOLP (Output Ground Bounce) <1 V  
at VCC = 5 V, TA = 25°C  
5
6
Distributed VCC and GND Pin Configuration  
Minimizes High-Speed Switching Noise  
7
V
CC  
V
CC  
8
2Y1  
2Y2  
GND  
2Y3  
2Y4  
3Y1  
3Y2  
GND  
3Y3  
3Y4  
2A1  
2A2  
GND  
2A3  
2A4  
3A1  
3A2  
GND  
3A3  
3A4  
Flow-Through Architecture Optimizes PCB  
Layout  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
High-Drive Outputs (–32-mA IOH, 64-mA IOL)  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL), Thin Shrink  
Small-Outline (DGG), and Thin Very  
Small-Outline (DGV) Packages and 380-mil  
Fine-Pitch Ceramic Flat (WD) Package  
Using 25-mil Center-to-Center Spacings  
V
CC  
V
CC  
4Y1  
4Y2  
GND  
4Y3  
4Y4  
4OE  
4A1  
4A2  
GND  
4A3  
4A4  
3OE  
DESCRIPTION  
The SN54ABT16244 and SN74ABT16244A are 16-bit  
buffers and 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. These  
devices can be used as four 4-bit buffers, two 8-bit  
buffers, or one 16-bit buffer. These devices provide  
true outputs and symmetrical OE (active-low  
output-enable) inputs.  
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 SN54ABT16244 is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74ABT16244A is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(EACH BUFFER)  
INPUTS  
OUTPUT  
Y
OE  
A
H
L
L
L
H
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.  
Widebus, EPIC-IIB are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1991–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
On products compliant to MIL-PRF-38535, all parameters are  
Instruments standard warranty. Production processing does not  
tested unless otherwise noted. On all other products, production  
necessarily include testing of all parameters.  
processing does not necessarily include testing of all parameters.  

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