相關(guān)PDF資料 |
PDF描述 |
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74LS190 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL |
74LS190 | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS |
74LS191 | Synchronous Up/Down 4-bit Binary Counters(single clock line) |
74LS191 | Synchronous 4-Bit Up/Down Counter with Mode Control |
74LS192 | Synchronous Up/Down Decade Counters(dual clock lines) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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74LS190N | 制造商:Rochester Electronics LLC 功能描述: |
74LS190PC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
74LS191 | 制造商:NTE Electronics 功能描述: |
74LS191N | 制造商:North American Philips Discrete Products Div 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP |
74LS191PC | 制造商:FAIR 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP 制造商:Freescale Semiconductor 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP 制造商:Texas Instruments 功能描述: |