5秒后页面跳转
MM74HC148M PDF预览

MM74HC148M

更新时间: 2024-02-12 08:26:44
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 运算电路逻辑集成电路光电二极管编码器
页数 文件大小 规格书
8页 79K
描述
8-3 Line Priority Encoder

MM74HC148M 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP16,.3Reach Compliance Code:unknown
风险等级:5.92JESD-30 代码:R-PDIP-T16
JESD-609代码:e0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:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:2/6 V子类别:Arithmetic Circuits
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL

MM74HC148M 数据手册

 浏览型号MM74HC148M的Datasheet PDF文件第2页浏览型号MM74HC148M的Datasheet PDF文件第3页浏览型号MM74HC148M的Datasheet PDF文件第4页浏览型号MM74HC148M的Datasheet PDF文件第5页浏览型号MM74HC148M的Datasheet PDF文件第6页浏览型号MM74HC148M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  

MM74HC148M 替代型号

型号 品牌 替代类型 描述 数据表
CD74HCT85M TI

功能相似

High Speed CMOS Logic 4-Bit Magnitude Comparator
SN74LS148NSR TI

功能相似

10 LINE TO 4 LINE AND 8 LINE TO 3 LINE PRIORITY ENCODERS

与MM74HC148M相关器件

型号 品牌 获取价格 描述 数据表
MM74HC148MTC FAIRCHILD

获取价格

8-3 Line Priority Encoder
MM74HC148MTCX FAIRCHILD

获取价格

Encoder, HC/UH Series, 8-Bit, CMOS, PDSO16, 4.40 MM, MO-153, TSSOP-16
MM74HC148MX FAIRCHILD

获取价格

Encoder, CMOS, PDSO16,
MM74HC148N FAIRCHILD

获取价格

8-3 Line Priority Encoder
MM74HC149J TI

获取价格

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

获取价格

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

获取价格

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

获取价格

Encoder, CMOS, PDIP20,
MM74HC149N/A+ TI

获取价格

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

获取价格

IC,ENCODER,HC-CMOS,DIP,20PIN,PLASTIC