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PDF 74LS293 ( 数据表 ) |
零件编号 | 功能 ( 描述 ) | 制造商 | ||
3 | 74LS293 | 4-bit Binary Counters Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39 Max 1.30 7 7.62 0.51 Min 2.54 Min 5.06 Max 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° + 0.10 Hitachi Code JEDEC EIAJ Wei |
Hitachi Semiconductor |
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2 | 74LS293 | DECADE COUNTER; 4-BIT BINARY COUNTER DECADE COUNTER; 4-BIT BINARY COUNTER The SN54 / 74LS290 and SN54/ 74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. Each counter has a divide-by-two section an |
Motorola Semiconductors |
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1 | 74LS293 | DECADE COUNTER; 4-BIT BINARY COUNTER DECADE COUNTER; 4-BIT BINARY COUNTER The SN54 / 74LS290 and SN54 / 74LS293 are high-speed 4-bit ripple type counters partitioned into two sections. Each counter has a divide-by-two section a |
ON Semiconductor |
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