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SN54LS85JD PDF预览

SN54LS85JD

更新时间: 2024-01-20 14:41:42
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 比较器
页数 文件大小 规格书
4页 106K
描述
LS SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, CDIP16, CERAMIC, DIP-16

SN54LS85JD 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:16
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.58Is Samacsys:N
其他特性:CASCADABLE系列:LS
JESD-30 代码:R-GDIP-T16长度:19.3 mm
负载电容(CL):15 pF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:125 °C
最低工作温度:-55 °C输出极性:TRUE
封装主体材料:CERAMIC, GLASS-SEALED封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
最大电源电流(ICC):20 mA传播延迟(tpd):45 ns
认证状态:Not Qualified座面最大高度:4.19 mm
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:NO
技术:TTL温度等级:MILITARY
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:7.62 mm
Base Number Matches:1

SN54LS85JD 数据手册

 浏览型号SN54LS85JD的Datasheet PDF文件第2页浏览型号SN54LS85JD的Datasheet PDF文件第3页浏览型号SN54LS85JD的Datasheet PDF文件第4页 
SN54/74LS85  
4-BIT MAGNITUDE  
COMPARATOR  
The SN54/74LS85 is a 4-Bit Magnitude Camparator which compares two  
4-bitwords(A,B),eachwordhavingfourParallelInputs(A A , B –B );A ,  
0
3
0
3
3
B
being the most significant inputs. Operation is not restricted to binary  
4-BIT MAGNITUDE  
COMPARATOR  
3
codes, the device will work with any monotonic code. Three Outputs are  
provided: “A greater than B” (O ), “A less than B” (O ), “A equal to B”  
A>B A<B  
LOW POWER SCHOTTKY  
(O  
). ThreeExpanderInputs, I , allowcascadingwithout  
, I  
, I  
A=B  
A>B A<B A=B  
external gates. For proper compare operation, the Expander Inputs to the  
leastsignificantpositionmustbeconnectedasfollows:I =I =L,I  
= H. For serial (ripple) expansion, the O  
connected respectively to the I  
significant comparator, as shown in Figure 1. Refer to Applications section of  
data sheet for high speed method of comparing large words.  
A<B A>B  
A=B  
Inputs of the next most  
A=B  
, O  
and O Outputs are  
A>B A<B  
, I , and I  
A>B A<B A=B  
J SUFFIX  
CERAMIC  
CASE 620-09  
The Truth Table on the following page describes the operation of the  
SN54/74LS85underallpossiblelogicconditions. Theupper11linesdescribe  
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.  
16  
1
N SUFFIX  
PLASTIC  
CASE 648-08  
Easily Expandable  
Binary or BCD Comparison  
16  
O  
, O  
, and O Outputs Available  
A>B A<B  
A=B  
1
CONNECTION DIAGRAM DIP (TOP VIEW)  
D SUFFIX  
SOIC  
CASE 751B-03  
V
B
A
A
B
A
B
0
A
CC  
16  
2
2
1
1
0
3
16  
15  
14  
13  
12  
11  
10  
9
1
NOTE:  
The Flatpak version has the  
same pinouts (Connection  
Diagram) as the Dual In-Line  
Package.  
ORDERING INFORMATION  
SN54LSXXJ  
SN74LSXXN  
SN74LSXXD  
Ceramic  
Plastic  
SOIC  
1
2
3
4
5
6
8
7
O
O O  
A>B A=B  
I
I
I
GND  
B
3
A<B  
A<B A=B  
A>B  
LOGIC SYMBOL  
PIN NAMES  
LOADING (Note a)  
10 12 13 15 9 11 14  
1
HIGH  
LOW  
A
A
A
A
B
B
B
B
3
0
1
2
3
0
1
2
A A , B –B  
Parallel Inputs  
A = B Expander Inputs  
A < B, A > B, Expander Inputs  
A Greater Than B Output (Note b)  
B Greater Than A Output (Note b)  
A Equal to B Output (Note b)  
1.5 U.L.  
1.5 U.L.  
0.5 U.L.  
10 U.L.  
10 U.L.  
10 U.L.  
0.75 U.L.  
0.75 U.L.  
0.25 U.L.  
5 (2.5) U.L.  
5 (2.5) U.L.  
5 (2.5) U.L.  
4
I
I
I
O
5
7
6
0
3
0
3
A>B  
A<B  
A=B  
A>B  
A<B  
A=B  
I
I
O
O
2
3
A=B  
A<B A>B  
, I  
O
O
O
A>B  
A<B  
A=B  
V
= PIN 16  
CC  
GND = PIN 8  
NOTES:  
a) 1 TTL Unit Load (U.L.) = 40 µA HIGH/1.6 mA LOW.  
b) The Output LOW drive factor is 2.5 U.L. for Military (54) and 5 U.L. for Commercial (74)  
Temperature Ranges.  
FAST AND LS TTL DATA  
5-84  

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