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SN74LS148D PDF预览

SN74LS148D

更新时间: 2024-11-11 23:06:19
品牌 Logo 应用领域
安森美 - ONSEMI 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 138K
描述
LOW POWER SCHOTTKY

SN74LS148D 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:PLASTIC, SOIC-16针数:16
Reach Compliance Code:not_compliantHTS代码:8542.39.00.01
风险等级:5.29Is Samacsys:N
系列:LSJESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:9.9 mm
逻辑集成电路类型:ENCODER湿度敏感等级:1
位数:8功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度: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
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
传播延迟(tpd):55 ns认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Arithmetic Circuits
最大供电电压 (Vsup):5.25 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

SN74LS148D 数据手册

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The SN74LS147 and the SN74LS148 are Priority Encoders. They  
provide priority decoding of the inputs to ensure that only the highest  
order data line is encoded. Both devices have data inputs and outputs  
which are active at the low logic level.  
The LS147 encodes nine data lines to four-line (8-4-2-1) BCD. The  
implied decimal zero condition does not require an input condition  
because zero is encoded when all nine data lines are at a high logic  
level.  
http://onsemi.com  
LOW  
POWER  
SCHOTTKY  
The LS148 encodes eight data lines to three-line (4-2-1) binary  
(octal). By providing cascading circuitry (Enable Input EI and Enable  
Output EO) octal expansion is allowed without needing external  
circuitry.  
GUARANTEED OPERATING RANGES  
16  
Symbol  
Parameter  
Supply Voltage  
Min  
4.75  
0
Typ  
5.0  
25  
Max  
5.25  
70  
Unit  
V
1
V
CC  
PLASTIC  
N SUFFIX  
CASE 648  
T
A
Operating Ambient  
Temperature Range  
°C  
I
Output Current – High  
Output Current – Low  
0.4  
8.0  
mA  
mA  
OH  
I
OL  
16  
1
SOIC  
D SUFFIX  
CASE 751B  
ORDERING INFORMATION  
Device  
Package  
16 Pin DIP  
16 Pin  
Shipping  
SN74LS147N  
SN74LS147D  
SN74LS148N  
SN74LS148D  
2000 Units/Box  
2500/Tape & Reel  
2000 Units/Box  
16 Pin DIP  
16 Pin  
2500/Tape & Reel  
Semiconductor Components Industries, LLC, 1999  
1
Publication Order Number:  
December, 1999 – Rev. 6  
SN74LS147/D  

SN74LS148D 替代型号

型号 品牌 替代类型 描述 数据表
SN74LS148DR2 ONSEMI

功能相似

LS SERIES, 8-BIT ENCODER, PDSO16, PLASTIC, SOIC-16
HD74LS148RP RENESAS

功能相似

LS SERIES, 8-BIT ENCODER, PDSO16, FP-16DN

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