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SN74ALB16245 PDF预览

SN74ALB16245

更新时间： 2024-11-03 22:05:39
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
7页 109K
描述
3.3-V ALB 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74ALB16245 数据手册

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SN74ALB16245  
3.3-V ALB 16-BIT TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SCBS678B – SEPTEMBER 1996 – REVISED JULY 1997  
DGG OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
State-of-the-Art Advanced Low-Voltage  
BiCMOS (ALB) Technology Design for 3.3-V  
Operation  
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
3
Schottky Diodes on All Inputs to Eliminate  
Overshoot and Undershoot  
4
5
Industry Standard ’16245 Pinout  
6
7
V
V
Distributed V  
Minimizes High-Speed Switching Noise  
and GND Pin Configuration  
CC  
CC  
CC  
8
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  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL) and Thin Shrink  
Small-Outline (DGG) Packages  
description  
The SN74ALB16245 is a 16-bit transceiver  
designed for high-speed, low-voltage (3.3-V) V  
V
V
CC  
CC  
CC  
operation. This device is intended to replace the  
conventional transceiver in any speed-critical  
path. The small propagation delay is achieved  
using a unity gain amplifier on the input and  
feedback resistors from input to output, which  
allows the output to track the input with a small  
offset voltage.  
2B5  
2B6  
GND  
2B7  
2B8  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
2DIR  
This device can be used as two 8-bit transceivers or one 16-bit transceiver. It allows 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 are effectively isolated.  
The SN74ALB16245 is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
(each 8-bit section)  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
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 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  
1234567

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