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SN74LS590N
二进制计数器, LS系列, 35 MHz, 4.75 V至5.25 V, DIP-16
- 制造商产品编号:
- SN74LS590N
- 库存编号
- 3006296
产品概述
The SN74LS590N is a 8-bit Binary Counter with output registers and 3-state outputs. It feeds an 8-bit storage register. The storage register has parallel outputs. Separate clocks are provided for both the binary counter and storage register. The binary counter features a direct clear input CCLR\ and a count enable input CCKEN\. For cascading, a ripple carry output RCO\ is provided. Expansion is easily accomplished for two stages by connecting RCO\ of the first stage to CCKEN\ of the second stage. Cascading for larger count chains can be accomplished by connecting RCO\ of each stage to CCK of the following stage. Both the counter and register clocks are positive-edge triggered. If the user wishes to connect both clocks together, the counter state will always be one count ahead of the register. Internal circuitry prevents clocking from the clock enable.
- TTL Input
- CMOS Output
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