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DM74AS258N PDF预览

DM74AS258N

更新时间: 2024-09-30 22:56:51
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 解复用器逻辑集成电路光电二极管
页数 文件大小 规格书
6页 63K
描述
3-STATE Quad 1 of 2 Line Data Selector/Multiplexers

DM74AS258N 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:0.300 INCH, PLASTIC, DIP-16
针数:16Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.55
Is Samacsys:N系列:AS
JESD-30 代码:R-PDIP-T16长度:19.305 mm
逻辑集成电路类型:MULTIPLEXER最大I(ol):0.048 A
功能数量:4输入次数:2
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:INVERTED
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峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V最大电源电流(ICC):25.2 mA
Prop。Delay @ Nom-Sup:5 ns传播延迟(tpd):5 ns
认证状态:Not Qualified座面最大高度:5.08 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:NO技术:TTL
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

DM74AS258N 数据手册

 浏览型号DM74AS258N的Datasheet PDF文件第2页浏览型号DM74AS258N的Datasheet PDF文件第3页浏览型号DM74AS258N的Datasheet PDF文件第4页浏览型号DM74AS258N的Datasheet PDF文件第5页浏览型号DM74AS258N的Datasheet PDF文件第6页 
September 1986  
Revised March 2000  
DM74AS257 • DM74AS258  
3-STATE Quad 1 of 2 Line Data Selector/Multiplexers  
General Description  
Features  
These data selectors/multiplexers contain inverters and  
drivers to supply full on-chip data selection to the four 3-  
STATE outputs that can interface directly with data lines of  
bus-organized systems. A 4-bit word selected from one of  
two sources is routed to the four outputs. The DM74AS257  
presents true data whereas the DM74AS258 presents  
inverted data to minimize propagation delay time.  
Switching specifications at 50 pF  
Switching specifications guaranteed over full tempera-  
ture and VCC range  
Advanced oxide-isolated, ion-implanted Schottky TTL  
process  
Functionally and pin for pin compatible with Schottky,  
low power Schottky, and advanced low power Schottky  
TTL counterpart  
This 3-STATE output feature means that n-bit (paralleled)  
data selectors with up to 300 sources can be implemented  
for data buses. It also permits the use of standard TTL reg-  
isters for data retention throughout the system.  
Improved AC performance over Schottky, low power  
Schottky, and advanced low power Schottky counter-  
parts  
3-STATE buffer-type output drive bus lines directly  
Expand any data input point  
Multiplex dual data buses  
General four functions of two variables (one variable is  
common)  
Source programmable counters  
Ordering Code:  
Order Number Package Number  
Package Description  
DM74AS257M  
DM74AS257N  
DM74AS258M  
DM74AS258N  
M16A  
N16E  
M16A  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow  
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  
Function Table  
INPUTS  
OUTPUT Y  
OUTPUT  
SELECT  
A
B
AS257 AS258  
CONTROL  
H
L
L
L
L
X
L
X
L
X
X
X
L
Z
L
Z
H
L
L
H
X
X
H
L
H
H
H
L
H
H
H = HIGH Level  
L = LOW Level  
X = Don't Care  
Z = High Impedance (OFF)  
© 2000 Fairchild Semiconductor Corporation  
DS006107  
www.fairchildsemi.com  

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