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DM74LS28MX

更新时间： 2024-11-28 23:47:39

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DM74LS28MX 数据手册

March 1989

Revised January 2001

DM74LS28

Quad 2-Input NOR Buffer

General Description

The DM74LS28 contains four independent gates each of

which perform the logic NOR function.

Ordering Code:

Order Number Package Number

Package Description

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

DM74LS28M

M14A

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

Connection Diagram

Truth Table

Y = A+B

Inputs

Output

H = HIGH logic level

L = LOW logic level

DS010169

www.fairchildsemi.com

12 3

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型号	品牌	获取价格	描述	数据表
DM74LS28N	ETC	获取价格	Quad 2-input NOR Gate
DM74LS290	NSC	获取价格	4-BIR DECADE COUNTER
DM74LS290J	NSC	获取价格	IC,COUNTER,UP,DECADE,LS-TTL,DIP,14PIN,CERAMIC
DM74LS290J/A+	ETC	获取价格	Asynchronous Up Counter
DM74LS290M	NSC	获取价格	4-BIR DECADE COUNTER
DM74LS290M	TI	获取价格	LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDSO14, PLASTIC, SOP-14
DM74LS290N	NSC	获取价格	4-BIR DECADE COUNTER
DM74LS290N	TI	获取价格	LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 3-BIT UP DECADE COUNTER, PDIP14, PLASTIC, DIP-14
DM74LS290N/A+	ETC	获取价格	Asynchronous Up Counter
DM74LS290N/B+	ETC	获取价格	Asynchronous Up Counter