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MM74HC148MX

更新时间： 2024-11-27 12:58:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 编码器
页数 文件大小 规格书
8页 79K
描述
Encoder, CMOS, PDSO16,

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中文翻译

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MM74HC148MX 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：SOP, SOP16,.25Reach Compliance Code：unknown
风险等级：5.71JESD-30 代码：R-PDSO-G16
JESD-609代码：e3逻辑集成电路类型：ENCODER
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
电源：2/6 V认证状态：Not Qualified
子类别：Arithmetic Circuits表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
Base Number Matches：1

MM74HC148MX 数据手册

 浏览型号MM74HC148MX的Datasheet PDF文件第2页浏览型号MM74HC148MX的Datasheet PDF文件第3页浏览型号MM74HC148MX的Datasheet PDF文件第4页浏览型号MM74HC148MX的Datasheet PDF文件第5页浏览型号MM74HC148MX的Datasheet PDF文件第6页浏览型号MM74HC148MX的Datasheet PDF文件第7页 
October 1987  
Revised February 1999  
MM74HC148  
8-3 Line Priority Encoder  
external circuitry. All data inputs and outputs are active at  
the low logic level.  
General Description  
The MM74HC148 priority encoder utilizes advanced sili-  
con-gate CMOS technology. It has the high noise immunity  
and low power consumption typical of CMOS circuits, as  
well as the speeds and output drive similar to LB-TTL.  
All inputs are protected from damage due to static dis-  
charge by internal diode clamps to VCC and ground.  
Features  
■ Typical propagation delay: 13 ns  
This priority encoder accepts 8 input request lines 0–7 and  
outputs 3 lines A0–A2. The priority encoding ensures that  
only the highest order data line is encoded. Cascading cir-  
cuitry (enable input EI and enable output EO) has been  
provided to allow octal expansion without the need for  
■ Wide supply voltage range: 2V–6V  
Ordering Code:  
Order Number Package Number  
Package Description  
MM74HC148M  
MM74HC148MTC  
MM74HC148N  
M16A  
MTC16  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow  
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
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  
Truth Table  
Inputs  
Outputs  
Pin Assignments for DIP, SOIC and TSSOP  
EI  
H
L
L
L
L
L
L
L
L
L
0
X
H
X
X
X
X
X
X
X
L
1
X
H
X
X
X
X
X
X
L
2
X
H
X
X
X
X
X
L
3
X
H
X
X
X
X
L
4
X
H
X
X
X
L
5
X
H
X
X
L
6
X
H
X
L
7
X
H
L
A2 A1 A0 GS EO  
H
H
L
H
H
L
H
H
L
H
H
L
L
L
L
L
L
L
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
H
L
H
H
H
H
H
H
L
H
H
L
H
H
H
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
L
H
H
H
H
H
H
H = HIGH  
L = LOW  
X = Irrelevant  
© 1999 Fairchild Semiconductor Corporation  
DS009390.prf  
www.fairchildsemi.com  
12345678

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与MM74HC148MX相关器件

型号 品牌 获取价格 描述 数据表
MM74HC148N FAIRCHILD

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 		8-3 Line Priority Encoder
MM74HC149J TI

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 		HC/UH SERIES, 8-BIT ENCODER, CDIP20, CERAMIC, DIP-20
MM74HC149N NSC

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 		IC HC/UH SERIES, 8-BIT ENCODER, PDIP20, PLASTIC, DIP-20, Arithmetic Circuit
MM74HC149N TI

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 		HC/UH SERIES, 8-BIT ENCODER, PDIP20, PLASTIC, DIP-20
MM74HC149N FAIRCHILD

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 		Encoder, CMOS, PDIP20,
MM74HC149N/A+ TI

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 		IC,ENCODER,HC-CMOS,DIP,20PIN,PLASTIC
MM74HC149N/B+ TI

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 		IC,ENCODER,HC-CMOS,DIP,20PIN,PLASTIC
MM74HC149WM/A+ TI

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 		IC,ENCODER,HC-CMOS,SOP,20PIN,PLASTIC
MM74HC149WMX TI

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 		HC/UH SERIES, 8-BIT ENCODER, PDSO20, PLASTIC, SO-20
MM74HC14J ETC

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 		Hex Inverter

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