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| SP6660CN资料 | |
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SP6660CN PDF Download |
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File Size : 116 KB
Manufacturer:SIPEX Description:These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power consumption of CMOS technology along with the speeds of low power Schottky TTL These circuits are synchronous reversible up down count- ers The MM54HC191 MM74HC191 are 4-bit binary count- ers and the MM54HC190 MM74HC190 are BCD counters Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change simulta- neously when so instructed by the steering logic This mode of operation eliminates the output counting spikes normally associated with asynchronous (ripple clock) counters The outputs of the four master-slave flip-flops are triggered on a low-to-high level transition of the clock input if the enable input is low A high at the enable input inhibits count- ing The direction of the count is determined by the level of the down up input When low the counter counts up and when high it counts down These counters are fully programmable that is the outputs may be preset to either level by placing a low on the load input and entering the desired data at the data inputs The output will change independent of the level of the clock in- put This feature allows the counters to be used as modulo- |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：SP6660CN 厂 家：SIPEX 封 装：SOP-8 批 号：07+ 数 量：1560 说 明：100%真实库存，原装，部分现货 |
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运 费： 所在地：深圳 新旧程度： |
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| 联系人：陈小姐 |
| 电 话：0755-83605789 |
| 手 机：13428979109 |
| QQ：656259901,307704921 |
| MSN：chenqiongxia18@126.com |
| 传 真：0755-23816523 |
| EMail：656259901@qq.com |
| 公司地址： 广东深圳市福田区华强北（振华路）赛格高科德电子市场A1848室 |
