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74F525QCX PDF预览

74F525QCX

更新时间: 2024-01-18 19:41:03
品牌 Logo 应用领域
美国国家半导体 - NSC 计数器
页数 文件大小 规格书
10页 174K
描述
Programmable Counter

74F525QCX 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:28
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.83其他特性:PROGRAMMABLE 16 BIT DOWN COUNTER; 8 MODES OF OPERATION; DIVIDE BY N AND N/2 OUTPUTS AVAILABLE
计数方向:DOWN系列:F/FAST
JESD-30 代码:R-PDIP-T28负载/预设输入:YES
逻辑集成电路类型:DIVIDE BY N COUNTER工作模式:ASYNCHRONOUS
功能数量:1端子数量:28
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:IN-LINE
传播延迟(tpd):22 ns认证状态:Not Qualified
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:NO
技术:TTL温度等级:COMMERCIAL
端子形式:THROUGH-HOLE端子位置:DUAL
触发器类型:POSITIVE EDGE最小 fmax:60 MHz

74F525QCX 数据手册

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August 1995  
74F525  
Programmable Counter  
General Description  
Features  
Y
Baud rate generator  
The ’F525 is a multi-function 28-pin device. It consists of a  
16-bit count-down counter, logic to control the counter, logic  
to control the state of the outputs and a PLA to decode the  
particular function selected by the user. The list of high-  
speed timing applications include:  
Y
Digitally programmed monostable  
Y
Variable system frequency generator  
Y
Digital filter variable sampling rate  
Y
16-bit data path  
Y
External trigger  
Y
Extremely accurate one shot w/pulse widths from  
e
@
50 ns to 3.27 ms CP  
40 MHz  
Package  
Commercial  
Number  
Package Description  
74F525QC (Note 1)  
74F525SC (Note 1)  
74F525PC  
V28A  
M28B  
N28B  
28-Lead Molded Plastic Leaded Chip Carrier  
28-Lead (0.300 Wide) Molded Small Outline, JEDEC  
×
28-Lead (0.600 Wide) Molded Dual-In-Line Package  
×
e
Note 1: Devices also available in 13 reel. Use suffix  
×
SCX and QCX.  
Connection Diagrams  
Pin Assignment  
DIP and SOIC  
Pin Assignment  
for PCC  
TL/F/9547–3  
TL/F/9547–2  
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.  
C
1995 National Semiconductor Corporation  
TL/F/9547  
RRD-B30M105/Printed in U. S. A.  

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