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54LS85LMQB

更新时间： 2024-11-18 22:31:11
品牌 Logo 应用领域
美国国家半导体 - NSC 逻辑集成电路
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8页 158K
描述
4-Bit Magnitude Comparators

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中文翻译

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54LS85LMQB 数据手册

 浏览型号54LS85LMQB的Datasheet PDF文件第2页浏览型号54LS85LMQB的Datasheet PDF文件第3页浏览型号54LS85LMQB的Datasheet PDF文件第4页浏览型号54LS85LMQB的Datasheet PDF文件第5页浏览型号54LS85LMQB的Datasheet PDF文件第6页浏览型号54LS85LMQB的Datasheet PDF文件第7页 
June 1989  
54LS85/DM54LS85/DM74LS85  
4-Bit Magnitude Comparators  
General Description  
e
These 4-bit magnitude comparators perform comparison of  
straight binary or BCD codes. Three fully-decoded decisions  
about two, 4-bit words (A, B) are made and are externally  
available at three outputs. These devices are fully expand-  
able to any number of bits without external gates. Words of  
have a high-level voltage applied to the A  
B input. The  
cascading path is implemented with only a two-gate-level  
delay to reduce overall comparison times for long words.  
Features  
Y
greater length may be compared by connecting compara-  
k
Typical power dissipation 52 mW  
l
e
tors in cascade. The A B, A B, and A  
B outputs of a  
Y
Typical delay (4-bit words) 24 ns  
stage handling less-significant bits are connected to the cor-  
responding inputs of the next stage handling more-signifi-  
cant bits. The stage handling the least-significant bits must  
Y
Alternate Military/Aerospace device (54LS85) is avail-  
able. Contact a National Semiconductor Sales Office/  
Distributor for specifications.  
Connection Diagram  
Dual-In-Line Package  
Order Number 54LS85DMQB,  
54LS85FMQB, 54LS85LMQB,  
DM54LS85J, DM54LS85W,  
DM74LS85M or DM74LS85N  
See NS Package Number E20A,  
J16A, M16A, N16E or W16A  
TL/F/6379–1  
Function Table  
Comparing  
Inputs  
Cascading  
Outputs  
Inputs  
l
k
l
k
e
e
A3, B3  
A2, B2  
A1, B1  
A0, B0  
A
B
A
B
A
B
A
B
A
B
A
B
l
A3 B3  
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
H
L
X
X
X
X
X
X
X
X
L
X
X
X
X
X
X
X
X
L
H
L
L
H
L
L
L
L
L
L
L
L
L
L
L
H
H
L
L
k
A3 B3  
l
e
e
e
e
e
e
e
e
e
e
e
e
A3  
A3  
A3  
A3  
A3  
A3  
A3  
A3  
A3  
A3  
A3  
A3  
e
B3  
B3  
B3  
B3  
B3  
B3  
B3  
B3  
B3  
B3  
B3  
B3  
A2 B2  
H
L
k
A2 B2  
H
L
l
e
e
e
e
e
e
e
e
e
e
A2  
A2  
A2  
A2  
A2  
A2  
A2  
A2  
A2  
A2  
B2  
B2  
B2  
B2  
B2  
B2  
B2  
B2  
B2  
B2  
A1 B1  
H
L
k
A1 B1  
H
L
l
e
e
e
e
e
e
e
e
A1  
A1  
A1  
A1  
A1  
A1  
A1  
A1  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
B1  
A0 B0  
H
L
k
A0 B0  
H
L
e
e
e
e
e
e
A0  
A0  
A0  
A0  
A0  
A0  
B0  
B0  
B0  
B0  
B0  
B0  
H
L
H
L
L
H
L
L
H
H
L
L
X
H
L
X
H
L
L
L
L
L
L
H
H
e
e
H
High Level, L  
Low Level, X  
Don’t Care  
C
1995 National Semiconductor Corporation  
TL/F/6379  
RRD-B30M105/Printed in U. S. A.  
12345678

中文翻译

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与54LS85LMQB相关器件

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54LS85M/B2AJC MOTOROLA

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 		Magnitude Comparator, F/FAST Series, 4-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20
54LS85W RAYTHEON

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 		Magnitude Comparator, TTL, CDFP16,
54LS86/B2A PHILIPS

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 		XOR Gate, TTL, CQCC20
54LS86/B2AJC MOTOROLA

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 		XOR Gate, LS Series, 4-Func, 2-Input, TTL, CQCC20, CERAMIC, LCC-20
54LS86/B2C PHILIPS

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 		XOR Gate, TTL, CQCC20
54LS86/BCA YAGEO

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 		XOR Gate, LS Series, 4-Func, 2-Input, TTL, CDIP14
54LS86/BCAJC MOTOROLA

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 		LS SERIES, QUAD 2-INPUT XOR GATE, CDIP14, CERDIP-14
54LS86/BDA PHILIPS

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 		XOR Gate, TTL, CDFP14
54LS86/BDAJC MOTOROLA

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 		LS SERIES, QUAD 2-INPUT XOR GATE, CDFP14, CERAMIC, FP-14
54LS86DMQB FAIRCHILD

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 		XOR Gate, LS Series, 4-Func, 2-Input, TTL, CDIP14, CERAMIC, DIP-14

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