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SN74ALS746-1DW PDF预览

SN74ALS746-1DW

更新时间: 2024-01-30 04:47:33
品牌 Logo 应用领域
德州仪器 - TI 驱动输入元件光电二极管输出元件逻辑集成电路
页数 文件大小 规格书
8页 213K
描述
IC ALS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20, Bus Driver/Transceiver

SN74ALS746-1DW 技术参数

是否Rohs认证:不符合生命周期:Obsolete
包装说明:SOP, SOP20,.4Reach Compliance Code:not_compliant
风险等级:5.83Is Samacsys:N
其他特性:WITH DUAL OUTPUT ENABLE; WITH INPUT PULL-UP控制类型:ENABLE LOW
系列:ALSJESD-30 代码:R-PDSO-G20
长度:12.8 mm负载电容(CL):50 pF
逻辑集成电路类型:BUS DRIVER最大I(ol):0.048 A
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):22 mA
Prop。Delay @ Nom-Sup:20 ns传播延迟(tpd):9 ns
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:TTL
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
Base Number Matches:1

SN74ALS746-1DW 数据手册

 浏览型号SN74ALS746-1DW的Datasheet PDF文件第2页浏览型号SN74ALS746-1DW的Datasheet PDF文件第3页浏览型号SN74ALS746-1DW的Datasheet PDF文件第4页浏览型号SN74ALS746-1DW的Datasheet PDF文件第5页浏览型号SN74ALS746-1DW的Datasheet PDF文件第6页浏览型号SN74ALS746-1DW的Datasheet PDF文件第7页 
ꢀꢁ ꢂꢃ ꢄꢅ ꢀꢂ ꢃꢆ  
ꢇ ꢈꢉꢄꢅꢊꢋ ꢌꢍ ꢍꢎ ꢏꢊꢄꢁꢐ ꢊꢅ ꢑꢁ ꢎꢊ ꢐ ꢏꢑ ꢒ ꢎꢏ  
ꢓ ꢑꢉ ꢔꢊ ꢑꢁꢕ ꢌꢉ ꢊꢕꢌ ꢅꢅ ꢌꢕꢊꢏ ꢎꢀ ꢑꢀ ꢉꢇ ꢏꢀ  
SDAS052A − AUGUST 1984 − REVISED JANUARY 1995  
DW OR N PACKAGE  
(TOP VIEW)  
3-State Outputs Drive Bus Lines or Buffer  
Memory Address Registers  
Input Pullup Resistors Added for Data-Bus  
OE1  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE2  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
Termination  
Data Flow-Through Pinout (All Inputs on  
Y1  
Y2  
Y3  
Y4  
Opposite Side From Outputs)  
Package Options Include Plastic  
Small-Outline (DW) Packages and Standard  
Plastic (N) 300-mil DIPs  
Y5  
13 Y6  
12 Y7  
description  
11  
GND  
Y8  
This octal buffer and line driver is designed to have  
the performance of the ALS240A and, at the  
same time, offers a pinout with inputs and outputs  
on opposite sides of the package. This arrangement facilitates printed-circuit-board layout. In addition, 20-kΩ  
resistors have been added between all inputs and V . This eliminates adding external resistors in applications  
CC  
where the data bus must be at a high level when all other connecting devices are at a high-impedance state.  
The 3-state control gate is a 2-input NOR such that if either output-enable (OE1 or OE2) input is high, all eight  
outputs are in the high-impedance state.  
The SN74ALS746 provides inverted data at the outputs.  
The SN74ALS746 is characterized for operation from 0°C to 70°C.  
logic symbol  
logic diagram (positive logic)  
1
1
&
OE1  
OE1  
OE2  
19  
EN  
19  
OE2  
20  
V
CC  
2
3
4
5
6
7
8
9
18  
17  
16  
15  
14  
13  
12  
11  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
Y7  
Y8  
18  
2
Y1  
A1  
To Seven Other Channels  
All input pullup resistors are 20 k.  
This symbol is in accordance with ANSI/IEEE Std 91-1984 and  
IEC Publication 617-12.  
ꢉꢡ  
Copyright 1995, Texas Instruments Incorporated  
ꢝ ꢡ ꢞ ꢝꢖ ꢗꢫ ꢙꢘ ꢜ ꢤꢤ ꢢꢜ ꢚ ꢜ ꢛ ꢡ ꢝ ꢡ ꢚ ꢞ ꢦ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443  

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