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74F257APCQR PDF预览

74F257APCQR

更新时间: 2024-10-26 13:04:55
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 复用器
页数 文件大小 规格书
7页 79K
描述
Multiplexer, 4-Func, 2 Line Input, TTL, PDIP16,

74F257APCQR 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:ObsoleteReach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.89
Is Samacsys:NJESD-30 代码:R-PDIP-T16
JESD-609代码:e0逻辑集成电路类型:MULTIPLEXER
湿度敏感等级:2A功能数量:4
输入次数:2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):250电源:5 V
子类别:Multiplexer/Demultiplexers标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL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处于峰值回流温度下的最长时间:30
Base Number Matches:1

74F257APCQR 数据手册

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April 1988  
Revised September 2000  
74F257A  
Quad 2-Input Multiplexer with 3-STATE Outputs  
General Description  
Features  
The 74F257A is a quad 2-input multiplexer with 3-STATE  
outputs. Four bits of data from two sources can be selected  
using a Common Data Select input. The four outputs  
present the selected data in true (non-inverted) form. The  
outputs may be switched to a high impedance state with a  
HIGH on the common Output Enable (OE) input, allowing  
the outputs to interface directly with bus-oriented systems.  
Multiplexer expansion by tying outputs together  
Non-inverting 3-STATE outputs  
Input clamp diodes limit high-speed termination effects  
Ordering Code:  
Order Number Package Number  
Package Description  
74F257ASC  
74F257ASJ  
74F257APC  
M16A  
M16D  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm 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.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
© 2000 Fairchild Semiconductor Corporation  
DS009507  
www.fairchildsemi.com  

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