型号 | 品牌 | 获取价格 | 描述 | 数据表 |
DM74LS490MX | TI |
获取价格 |
LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16, 0.150 INCH, PLAST | |
DM74LS491 | NSC |
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10-Bit Counter | |
DM74LS491AJ | TI |
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LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY | |
DM74LS491AN | TI |
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LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, PDIP24, SKINNY | |
DM74LS491AV | ETC |
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Synchronous Up/Down Counter | |
DM74LS491J | NSC |
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10-Bit Counter | |
DM74LS491J | TI |
获取价格 |
LS SERIES, SYN POSITIVE EDGE TRIGGERED 10-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24, SKINNY | |
DM74LS491J/A+ | ETC |
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Synchronous Up/Down Counter | |
DM74LS491J/B+ | ETC |
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Synchronous Up/Down Counter | |
DM74LS491N | NSC |
获取价格 |
10-Bit Counter |