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SN74HC590AD
二进制计数器, HC系列, 40 MHz, 2 V至6 V, SOIC-16
- 制造商产品编号:
- SN74HC590AD
- 库存编号
- 3119827
产品概述
The SN74HC590AD is a 8-bit Binary Counter with 3-state output registers. 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 direct clear (CCLR\) and count-enable (CCKEN\) inputs. A ripple-carry output (RCO\) is provided for cascading. Expansion is accomplished easily 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 the counter clock (CCLK) input of the following stage. CCLK and the register clock (RCLK) inputs are positive-edge triggered. If both clocks are connected together, the counter state always is one count ahead of the register. Internal circuitry prevents clocking from the CE.
- High-current 3-state parallel register outputs can drive up to 15 LSTTL loads
- Direct clear
- 80µA Maximum low power consumption
- 14ns Typical tpd
- ±6mA Output drive at 5V
- 1µA Maximum low input current
- Green product and no Sb/Br
应用
工业
产品信息
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