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54ACT169L PDF预览

54ACT169L

更新时间: 2024-02-02 06:01:26
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 187K
描述
4-Stage Synchronous Bidirectional Counter

54ACT169L 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:QCCN, LCC20,.35SQReach Compliance Code:unknown
风险等级:5.82计数方向:BIDIRECTIONAL
JESD-30 代码:S-XQCC-N20JESD-609代码:e0
负载电容(CL):50 pF负载/预设输入:YES
逻辑集成电路类型:BINARY COUNTER最大频率@ Nom-Sup:75000000 Hz
最大I(ol):0.024 A工作模式:SYNCHRONOUS
功能数量:1端子数量:20
最高工作温度:125 °C最低工作温度:-55 °C
输出特性:3-STATE封装主体材料:CERAMIC
封装代码:QCCN封装等效代码:LCC20,.35SQ
封装形状:SQUARE封装形式:CHIP CARRIER
包装方法:TUBE电源:5 V
认证状态:Not Qualified筛选级别:38535Q/M;38534H;883B
子类别:Counters标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUADBase Number Matches:1

54ACT169L 数据手册

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July 1998  
54AC169 54ACT169  
4-Stage Synchronous Bidirectional Counter  
n Synchronous counting and loading  
n Built-In lookahead carry capability  
The ’AC/’ACT169 is fully synchronous 4-stage up/down  
n Presettable for programmable operation  
General Description  
counter. The ’AC/’ACT169 is a modulo-16 binary counter. It  
features a preset capability for programmable operation,  
carry lookahead for easy cascading and a U/D input to con-  
n Outputs source/sink 24 mA  
n ’ACT has TTL-compatible inputs  
n Standard Microcircuit Drawing (SMD)  
5962-91603  
trol the direction of counting. All state changes, whether in  
counting or parallel loading, are initiated by the  
LOW-to-HIGH transition of the Clock.  
Features  
n ICC reduced by 50%  
Logic Symbols  
Pin  
Names  
CEP  
CET  
CP  
Description  
Count Enable Parallel Input  
Count Enable Trickle Input  
Clock Pulse Input  
P0–P3  
PE  
Parallel Data Inputs  
Parallel Enable Input  
Up-Down Count Control Input  
Flip-Flop Outputs  
U/D  
Q0–Q3  
TC  
DS100276-1  
Terminal Count Output  
IEEE/IEC  
DS100276-2  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1998 National Semiconductor Corporation  
DS100276  
www.national.com  

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