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74AC169SJ PDF预览

74AC169SJ

更新时间: 2024-02-22 19:43:56
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 计数器触发器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
8页 106K
描述
Synchronous Up/Down Counter

74AC169SJ 数据手册

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November 1988  
Revised November 1999  
74AC169  
4-Stage Synchronous Bidirectional Counter  
General Description  
Features  
The AC169 is fully synchronous 4-stage up/down counter.  
The AC169 is a modulo-16 binary counter. It features a  
preset capability for programmable operation, carry looka-  
head for easy cascading and a U/D input to control the  
direction of counting. All state changes, whether in count-  
ing or parallel loading, are initiated by the LOW-to-HIGH  
transition of the Clock.  
ICC reduced by 50%  
Synchronous counting and loading  
Built-In lookahead carry capability  
Presettable for programmable operation  
Outputs source/sink 24 mA  
Ordering Code:  
Order Number Package Number  
Package Description  
74AC169SC  
74AC169SJ  
74AC169MTC  
74AC169PC  
M16A  
M16D  
MTC16  
N16E  
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150Narrow Body  
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide  
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300Wide  
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.  
Logic Symbols  
Connection Diagram  
IEEE/IEC  
Pin Descriptions  
Pin Names  
Description  
CEP  
CET  
CP  
Count Enable Parallel Input  
Count Enable Trickle Input  
Clock Pulse Input  
P0P3  
PE  
Parallel Data Inputs  
Parallel Enable Input  
Up-Down Count Control Input  
Flip-Flop Outputs  
U/D  
Q0Q3  
TC  
Terminal Count Output  
FACT is a trademark of Fairchild Semiconductor Corporation.  
© 1999 Fairchild Semiconductor Corporation  
DS009934  
www.fairchildsemi.com  

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