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SN74LS85DR2

更新时间： 2024-09-16 21:10:07
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 光电二极管
页数 文件大小 规格书
7页 191K
描述
Magnitude Comparator, LS Series, 4-Bit, True Output, TTL, PDSO16, PLASTIC, SOIC-16

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中文翻译

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SN74LS85DR2 技术参数

生命周期：Contact Manufacturer包装说明：SOP,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.57其他特性：CASCADABLE
系列：LSJESD-30 代码：R-PDSO-G16
长度：9.9 mm逻辑集成电路类型：MAGNITUDE COMPARATOR
位数：4功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：输出极性：TRUE
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
传播延迟（tpd）：45 ns座面最大高度：1.75 mm
最大供电电压 (Vsup)：5.25 V最小供电电压 (Vsup)：4.75 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宽度：3.9 mm
Base Number Matches：1

SN74LS85DR2 数据手册

 浏览型号SN74LS85DR2的Datasheet PDF文件第2页浏览型号SN74LS85DR2的Datasheet PDF文件第3页浏览型号SN74LS85DR2的Datasheet PDF文件第4页浏览型号SN74LS85DR2的Datasheet PDF文件第5页浏览型号SN74LS85DR2的Datasheet PDF文件第6页浏览型号SN74LS85DR2的Datasheet PDF文件第7页 
SN74LS85  
4−Bit Magnitude  
Comparator  
The SN74LS85 is a 4-Bit Magnitude Camparator which compares  
two 4-bit words (A, B), each word having four Parallel Inputs  
(A −A , B −B ); A , B being the most significant inputs. Operation  
is not restricted to binary codes, the device will work with any  
monotonic code. Three Outputs are provided: “A greater than B”  
0
3
0
3
3
3
http://onsemi.com  
(O  
), “A less than B” (O  
), “A equal to B” (O  
, allow cascading without external  
). Three  
LOW  
POWER  
SCHOTTKY  
A>B  
A<B  
A=B  
Expander Inputs, I  
gates. For proper compare operation, the Expander Inputs to the least  
significant position must be connected as follows: I = I = L,  
, I  
, I  
A>B A<B A=B  
A<B  
A>B  
I
= H. For serial (ripple) expansion, the O  
, O  
and O  
A=B  
A>B  
A<B  
A=B  
Outputs are connected respectively to the I  
, I  
, and I  
A>B A<B  
A=B  
Inputs of the next most significant comparator, as shown in Figure 1.  
Refer to Applications section of data sheet for high speed method of  
comparing large words.  
16  
1
The Truth Table on the following page describes the operation of the  
SN74LS85 under all possible logic conditions. The upper 11 lines  
describe the normal operation under all conditions that will occur in a  
single device or in a series expansion scheme. The lower five lines  
describe the operation under abnormal conditions on the cascading  
inputs. These conditions occur when the parallel expansion technique  
is used.  
PLASTIC  
N SUFFIX  
CASE 648  
16  
• Easily Expandable  
1
• Binary or BCD Comparison  
SOIC  
D SUFFIX  
CASE 751B  
• O  
, O  
, and O  
Outputs Available  
A>B  
A<B  
A=B  
GUARANTEED OPERATING RANGES  
Symbol  
Parameter  
Supply Voltage  
Min  
4.75  
0
Typ  
5.0  
25  
Max  
5.25  
70  
Unit  
V
V
CC  
16  
T
A
Operating Ambient  
Temperature Range  
°C  
1
SOEIAJ  
M SUFFIX  
CASE 966  
I
Output Current − High  
Output Current − Low  
−0.4  
mA  
mA  
OH  
I
8.0  
OL  
ORDERING INFORMATION  
Device  
Package  
16 Pin DIP  
SOIC−16  
Shipping  
SN74LS85N  
SN74LS85D  
SN74LS85DR2  
SN74LS85M  
SN74LS85MEL  
2000 Units/Box  
38 Units/Rail  
2500/Tape & Reel  
See Note 1  
SOIC−16  
SOEIAJ−16  
SOEIAJ−16  
See Note 1  
1. For ordering information on the EIAJ version of  
the SOIC package, please contact your local  
ON Semiconductor representative.  
©
Semiconductor Components Industries, LLC, 2006  
1
Publication Order Number:  
July, 2006 − Rev. 8  
SN74LS85/D  
 
1234567

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