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SN74ABT162245DGV

更新时间： 2024-11-24 23:06:11
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德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
11页 192K
描述
16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74ABT162245DGV 数据手册

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SCBS239F − MARCH 1993 − REVISED JUNE 2004  
SN54ABT162245 . . . WD PACKAGE  
SN74ABT162245 . . . DGG OR DL PACKAGE  
(TOP VIEW)  
D
D
Members of the Texas Instruments  
WidebusFamily  
A-Port Outputs Have Equivalent 25-Ω  
Series Resistors, So No External Resistors  
Are Required  
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  
1DIR  
1B1  
1B2  
GND  
1B3  
1B4  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
2
D
D
D
D
D
Typical V  
(Output Ground Bounce)  
= 5 V, T = 25°C  
A
OLP  
3
<1 V at V  
CC  
4
Distributed V  
High-Speed Switching Noise  
and GND Pins Minimize  
5
CC  
6
7
V
V
I
Supports Partial-Power-Down Mode  
CC  
CC  
off  
8
Operation  
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
9
Flow-Through Architecture Optimizes PCB  
Layout  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Latch-Up Performance Exceeds 500 mA Per  
JESD 17  
D ESD Protection Exceeds JESD 22  
− 2000-V Human-Body Model (A114-A)  
− 200-V Machine Model (A115-A)  
description/ordering information  
V
V
CC  
CC  
2B5  
2B6  
GND  
2B7  
2B8  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
The ’ABT162245 devices are 16-bit noninverting  
3-state transceivers designed for synchronous  
two-way communication between data buses.  
The control-function implementation minimizes  
external timing requirements.  
2DIR  
These devices can be used as two 8-bit  
transceivers or one 16-bit transceiver. They allow  
data transmission from the A bus to the B bus or  
from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable  
(OE) input can be used to disable the device so that the buses effectively are isolated.  
The A-port outputs, which are designed to source or sink up to 12 mA, include equivalent 25-Ω series resistors  
to reduce overshoot and undershoot.  
These devices are fully specified for partial-power-down applications using I . The I circuitry disables the  
off  
off  
outputs, preventing damaging current backflow through the devices when they are powered down.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
Tube  
SN74ABT162245DL  
SN74ABT162245DLR  
SN74ABT162245DGGR  
SNJ54ABT162245WD  
SSOP − DL  
ABT162245  
Tape and reel  
−40°C to 85°C  
−55°C to 125°C  
TSSOP − DGG Tape and reel  
CFP − WD Tube  
ABT162245  
SNJ54ABT162245WD  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are  
available at www.ti.com/sc/package.  
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 is a trademark of Texas Instruments.  
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Copyright 2004, Texas Instruments Incorporated  
ꢖ ꢚ ꢥ ꢝ ꢜꢨ ꢣꢢ ꢠꢡ ꢢꢜ ꢞꢥ ꢧꢙ ꢟꢚ ꢠ ꢠꢜ ꢯꢍ ꢰꢌ ꢗꢏ ꢱ ꢌꢕꢲꢂ ꢕꢂꢊ ꢟꢧꢧ ꢥꢟ ꢝ ꢟ ꢞꢤ ꢠꢤꢝ ꢡ ꢟ ꢝ ꢤ ꢠꢤ ꢡꢠꢤ ꢨ  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...11

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