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SN74F251BD PDF预览

SN74F251BD

更新时间: 2024-11-17 22:53:35
品牌 Logo 应用领域
德州仪器 - TI 复用器输出元件
页数 文件大小 规格书
7页 101K
描述
1-OF-8 DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

SN74F251BD 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:1.26系列:F/FAST
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:9.9 mm负载电容(CL):50 pF
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.024 A
湿度敏感等级:1位数:2
功能数量:1输入次数:8
输出次数:1端子数量:16
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:COMPLEMENTARY
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:5 V
最大电源电流(ICC):24 mAProp。Delay @ Nom-Sup:9.5 ns
传播延迟(tpd):9 ns认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Multiplexer/Demultiplexers
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 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: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

SN74F251BD 数据手册

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SN54F251B, SN74F251B  
1-OF-8 DATA SELECTORS/MULTIPLEXERS  
WITH 3-STATE OUTPUTS  
SDFS066A – MARCH 1987 – REVISED OCTOBER 1993  
SN54F251B . . . J PACKAGE  
SN74F251B . . . D OR N PACKAGE  
(TOP VIEW)  
3-State Versions of SN54F151B and  
SN74F151B  
3-State Outputs Interface Directly With  
System Bus  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
D3  
D2  
D1  
D0  
Y
W
G
GND  
V
CC  
Performs Parallel-to-Serial Conversion  
D4  
D5  
D6  
D7  
A
Complementary Outputs Provide True and  
Inverted Data  
Package Options Include Plastic  
Small-Outline Packages, Ceramic Chip  
Carriers, and Standard Plastic and Ceramic  
300-mil DIPs  
B
C
description  
SN54F251B . . . FK PACKAGE  
(TOP VIEW)  
These data selectors/multiplexers contain full  
binary decoding to select one of eight data  
sources  
and  
feature  
strobe-controlled  
complementary outputs. The 3-state outputs can  
interface with and drive data lines of bus-  
organized systems. When the strobe (G) input is  
high, both outputs are in a high-impedance state  
in which both the upper and lower transistors of  
each totem-pole output are off, and the output  
neither drives nor loads the bus significantly.  
3
2
1
20 19  
18  
4
5
6
7
8
D5  
D6  
NC  
D7  
A
D1  
D0  
NC  
Y
17  
16  
15  
14  
W
9 10 11 12 13  
The SN54F251B is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74F251B is characterized for  
operation from 0°C to 70°C.  
NC – No internal connection  
FUNCTION TABLE  
INPUTS  
SELECT  
OUTPUTS  
STROBE  
G
C
X
L
B
X
L
A
X
L
Y
W
Z
H
L
L
L
L
L
L
L
L
Z
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
L
L
H
L
L
H
H
L
L
H
L
H
H
H
H
L
H
L
H
H
H
D0, D1, . . . D7 = the level of the respective D input.  
Copyright 1993, 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.  
2–1  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74F251BD 替代型号

型号 品牌 替代类型 描述 数据表
SN74F251BDRG4 TI

完全替代

F/FAST SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, PLASTIC, SO-16
SN74F251BDG4 TI

完全替代

F/FAST SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16, PLASTIC, SO-16
SN74F251BDR TI

完全替代

1-of-8 Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70

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SN74F251D TI

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SN74F251D3 TI

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IC,LOGIC MUX,SINGLE,8-INPUT,F-TTL,SOP,16PIN,PLASTIC
SN74F251DR TI

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