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SN74HC148D PDF预览

SN74HC148D

更新时间: 2024-09-26 23:03:11
品牌 Logo 应用领域
德州仪器 - TI 编码器
页数 文件大小 规格书
8页 129K
描述
8-LINE TO 3-LINE PRIORITY ENCODERS

SN74HC148D 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP16,.25针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.76其他特性:8 TO 3 LINE PRIORITY ENCODER; CASCADABLE; WITH GROUP SELECT OUTPUT
系列:HC/UHJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:9.9 mm
负载电容(CL):50 pF逻辑集成电路类型:ENCODER
最大I(ol):0.0052 A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:85 °C
最低工作温度:-40 °C输出极性:INVERTED
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包装方法:TUBE
峰值回流温度(摄氏度):260电源:2/6 V
最大电源电流(ICC):0.08 mAProp。Delay @ Nom-Sup:49 ns
传播延迟(tpd):240 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):6 V最小供电电压 (Vsup):2 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)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:3.91 mm
Base Number Matches:1

SN74HC148D 数据手册

 浏览型号SN74HC148D的Datasheet PDF文件第2页浏览型号SN74HC148D的Datasheet PDF文件第3页浏览型号SN74HC148D的Datasheet PDF文件第4页浏览型号SN74HC148D的Datasheet PDF文件第5页浏览型号SN74HC148D的Datasheet PDF文件第6页浏览型号SN74HC148D的Datasheet PDF文件第7页 
SN54HC148, SN74HC148  
8-LINE TO 3-LINE PRIORITY ENCODERS  
SCLS109D – MARCH 1984 – REVISED MAY 1997  
SN54HC148 . . . J OR W PACKAGE  
SN74HC148 . . . D OR N PACKAGE  
(TOP VIEW)  
Encode Eight Data Lines to 3-Line Binary  
(Octal)  
Applications Include:  
– n-Bit Encoding  
– Code Converters and Generators  
4
5
V
CC  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
EO  
GS  
3
Package Options Include Plastic  
Small-Outline (D) and Ceramic Flat (W)  
Packages, Ceramic Chip Carriers (FK), and  
Standard Plastic (N) and Ceramic (J)  
300-mil DIPs  
6
7
EI  
2
A2  
A1  
GND  
1
0
A0  
description  
The ’HC148 feature priority decoding of the inputs  
to ensure that only the highest-order data line is  
encoded. These devices encode eight data lines  
to 3-line (4-2-1) binary (octal). Cascading circuitry  
(enable input EI and enable output EO) has been  
provided to allow octal expansion without the  
needforexternalcircuitry. Datainputsandoutputs  
are active at the low logic level.  
SN54HC148 . . . FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
GS  
3
6
7
4
5
6
7
8
17  
16  
15  
14  
NC  
2
NC  
EI  
The SN54HC148 is characterized for operation  
over the full military temperature range of –55°C  
to 125°C. The SN74HC148 is characterized for  
operation from –40°C to 85°C.  
1
A2  
9 10 11 12 13  
NC – No internal connection  
FUNCTION TABLE  
INPUTS  
OUTPUTS  
EI  
H
L
0
X
H
X
X
X
X
X
X
1
X
H
X
X
X
X
X
X
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  
H
H
L
A1  
H
H
L
A0  
H
H
L
GS  
H
H
L
EO  
H
L
L
H
H
H
H
H
H
L
H
H
H
H
H
L
L
H
L
L
L
H
H
H
H
L
H
H
L
L
L
H
H
H
L
H
L
L
L
H
H
H
H
L
L
H
L
H
L
L
L
X
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
H
H
H
H
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1997, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74HC148D 替代型号

型号 品牌 替代类型 描述 数据表
SN74HC148NSRG4 TI

完全替代

HC/UH SERIES, 8-BIT ENCODER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, SOP-16
SN74HC148DT TI

类似代替

8-LINE TO 3-LINE PRIORITY ENCODERS
SN74HC148DR TI

类似代替

8-LINE TO 3-LINE PRIORITY ENCODERS

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SN74HC148DR TI

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SN74HC148DR-00 TI

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SN74HC148DRG4 TI

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SN74HC148DT TI

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SN74HC148DTE4 TI

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SN74HC148DTG4 TI

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SN74HC148DW TI

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