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SN74ALB16245_08 PDF预览

SN74ALB16245_08

更新时间: 2024-11-18 03:18:35
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德州仪器 - TI 输出元件
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13页 364K
描述
3.3-V ALB 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS

SN74ALB16245_08 数据手册

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SN74ALB16245  
3.3-V ALB 16-BIT TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SCBS678C – SEPTEMBER 1996 – REVISED JANUARY 2001  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Member of 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  
High-Speed Switching Noise  
and GND Pins Minimize  
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  
description  
The SN74ALB16245 is a 16-bit transceiver  
designed for high-speed, low-voltage (3.3-V) V  
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.  
V
V
CC  
CC  
2B5  
2B6  
GND  
2B7  
2B8  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
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  
theBbustotheAbus, dependingonthelogiclevel  
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.  
2DIR  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
Tube  
SN74ALB16245DL  
SSOP – DL  
ALB16245  
Tape and reel  
SN74ALB16245DLR  
SN74ALB16245DGGR  
SN74ALB16245DGVR  
–40°C to 85°C  
TSSOP – DGG Tape and reel  
TVSOP – DGV Tape and reel  
ALB16245  
AV245  
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.  
Copyright 2001, 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  

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