DM74LS85M

更新时间： 2024-09-12 23:00:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		比较器
页数	文件大小	规格书
6页	62K
描述
4-Bit Magnitude Comparator

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数据手册
替代型号

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DM74LS85M 数据手册

August 1986

Revised March 2000

DM74LS85

4-Bit Magnitude Comparator

General Description

Features

These 4-bit magnitude comparators perform comparison of

straight binary or BCD codes. Three fully-decoded deci-

sions about two, 4-bit words (A, B) are made and are exter-

nally available at three outputs. These devices are fully

expandable to any number of bits without external gates.

Words of greater length may be compared by connecting

comparators in cascade. The A > B, A < B, and A = B out-

puts of a stage handling less-significant bits are connected

to the corresponding inputs of the next stage handling

more-significant bits. The stage handling the least-

significant bits must 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.

■ Typical power dissipation 52 mW

■ Typical delay (4-bit words) 24 ns

Ordering Code:

Order Number Package Number

Package Description

DM74LS85M

DM74LS85N

M16A

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

DS006379

www.fairchildsemi.com

12 3 4 5 6

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DM74LS85M 替代型号

型号	品牌	替代类型	描述	数据表
SN74LS85D	TI	类似代替	4-BIT MAGNITUDE COMPARATORS
DM74LS85N	FAIRCHILD	类似代替	4-Bit Magnitude Comparator
SN74LS85N	TI	功能相似	4-BIT MAGNITUDE COMPARATORS

与DM74LS85M相关器件

型号	品牌	获取价格	描述	数据表
DM74LS85MX	FAIRCHILD	获取价格	Magnitude Comparator
DM74LS85N	FAIRCHILD	获取价格	4-Bit Magnitude Comparator
DM74LS85N	NSC	获取价格	4-Bit Magnitude Comparators
DM74LS85N/A+	ETC	获取价格	Magnitude Comparator
DM74LS85N/B+	ETC	获取价格	Magnitude Comparator
DM74LS86	FAIRCHILD	获取价格	Quad 2-Input Exclusive-OR Gate
DM74LS86	NSC	获取价格	Quad 2-Input Exclusive-OR Gates
DM74LS86J	NSC	获取价格	暂无描述
DM74LS86J/A+	ETC	获取价格	Quad 2-input Exclusive OR (XOR) Gate
DM74LS86M	FAIRCHILD	获取价格	Quad 2-Input Exclusive-OR Gate