74LS168中文资料PDF规格书
74LS168规格书详情
BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
The SN54/74LS168 and SN54/74LS169 are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation, carry lookahead for easy cascading and a U/D input to control the direction of counting. The SN54/74LS168 counts in a BCD decade (8, 4, 2, 1) sequence, while the SN54/74LS169 operates in a Modulo 16 binary sequence. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the clock.
• Low Power Dissipation 100 mW Typical
• High-Speed Count Frequency 30 MHz Typical
• Fully Synchronous Operation
• Full Carry Lookahead for Easy Cascading
• Single Up/Down Control Input
• Positive Edge-Trigger Operation
• Input Clamp Diodes Limit High-Speed Termination Effects
产品属性
- 型号:
74LS168
- 制造商:
NSC
- 制造商全称:
National Semiconductor
- 功能描述:
54LS168 Synchronous Bi-Directional BCD Decade Counter
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
24+ |
DIP16 |
860000 |
明嘉莱只做原装正品现货 |
询价 | ||
FSC |
2020+ |
DIP-16 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
询价 | ||
FAIRCHILD/仙童 |
DIP16 |
275000 |
一级代理原装正品,价格优势,长期供应! |
询价 | |||
FSC |
23+ |
NA |
3600 |
原装正品假一罚百!可开增票! |
询价 | ||
STI |
2023+ |
DIP16 |
58000 |
进口原装,现货热卖 |
询价 | ||
FAIRCHILD/仙童 |
23+ |
81+ |
6500 |
专注配单,只做原装进口现货 |
询价 | ||
FAIRCHILD/仙童 |
23+ |
81+ |
6500 |
专注配单,只做原装进口现货 |
询价 | ||
FSC |
DIP-16 |
608900 |
原包原标签100%进口原装常备现货! |
询价 | |||
SIGNETICS |
DIP |
169 |
进口原装-真实库存-价实 |
询价 | |||
FSC |
22+23+ |
DIP-16 |
33888 |
绝对原装正品全新进口深圳现货 |
询价 |