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74F579VCQR PDF预览

74F579VCQR

更新时间: 2024-11-25 13:04:55
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 计数器
页数 文件大小 规格书
8页 84K
描述
Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 8-Bit, Bidirectional, TTL, PDSO20, 0.300 INCH, SOIC-20

74F579VCQR 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.65Is Samacsys:N
其他特性:TCO OUTPUT; MULTIPLEXED I/O计数方向:BIDIRECTIONAL
系列:F/FASTJESD-30 代码:R-PDSO-G20
长度:12.8 mm负载/预设输入:YES
逻辑集成电路类型:BINARY COUNTER工作模式:SYNCHRONOUS
位数:8功能数量:1
端子数量:20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:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
传播延迟(tpd):10 ns认证状态:Not Qualified
座面最大高度:2.65 mm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端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
触发器类型:POSITIVE EDGE宽度:7.5 mm
最小 fmax:100 MHzBase Number Matches:1

74F579VCQR 数据手册

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April 1988  
Revised October 2000  
74F579  
8-Bit Bidirectional Binary Counter with 3-STATE Outputs  
General Description  
Features  
Multiplexed 3-STATE I/O ports  
The 74F579 is  
a
fully synchronous 8-stage up/down  
counter with multiplexed 3-STATE I/O ports for bus-ori-  
ented applications. It features a preset capability for pro-  
grammable operation, carry lookahead for easy cascading  
and a U/D input to control the direction of counting. All state  
changes, whether in counting or parallel loading, are initi-  
ated by the rising edge of the clock.  
Built-in lookahead carry capability  
Count frequency 100 MHz typical  
Supply current 75 mA typical  
Guaranteed 4000V minimum ESD protection  
Ordering Code:  
Order Number Package Number  
Package Description  
74F579SC  
74F579SJ  
74F579PC  
M20B  
M20D  
N20A  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
20-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” tot he ordering code.  
Logic Symbol  
Connection Diagram  
© 2000 Fairchild Semiconductor Corporation  
DS009568  
www.fairchildsemi.com  

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