型号 | 品牌 | 获取价格 | 描述 | 数据表 |
74LS490DCQM | FAIRCHILD |
获取价格 |
Decade Counter, Asynchronous, Up Direction, TTL, CDIP16, | |
74LS490DCQR | FAIRCHILD |
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Decade Counter, Asynchronous, Up Direction, TTL, CDIP16, | |
74LS490FC | FAIRCHILD |
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Decade Counter, Asynchronous, Up Direction, TTL, CDFP16, | |
74LS490FCQM | FAIRCHILD |
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Decade Counter, Asynchronous, Up Direction, TTL, CDFP16, | |
74LS490FCQR | FAIRCHILD |
获取价格 |
Decade Counter, Asynchronous, Up Direction, TTL, CDFP16, | |
74LS490N | ROCHESTER |
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Decade Counter, | |
74LS490PC | ETC |
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Asynchronous Up Counter | |
74LS490PCQM | FAIRCHILD |
获取价格 |
Decade Counter, Asynchronous, Up Direction, TTL, PDIP16, | |
74LS490PCQR | FAIRCHILD |
获取价格 |
Decade Counter, Asynchronous, Up Direction, TTL, PDIP16, | |
74LS490SC | FAIRCHILD |
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Decade Counter, Asynchronous, Up Direction, TTL, PDSO16, |