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SN54HC4040 - 产品图解：
SN54HC4040 - 异步 12 位二进制计数器
SN54HC4040是TI公司的一款计数器/算术/奇偶校验功能产品，SN54HC4040是异步 12 位二进制计数器，本页介绍了SN54HC4040的产品说明、应用、特性等，并给出了与SN54HC4040相关的TI元器件型号供参考。
SN54HC4040 - 异步 12 位二进制计数器 - 计数器/算术/奇偶校验功能 - 特殊逻辑 - TI公司（Texas Instruments，德州仪器）
产品描述
The ’HC4040 devices are 12-stage asynchronous binary counters, with the outputs of all stages available externally. A high level at the clear (CLR) input asynchronously clears the counter and resets all outputs low. The count is advanced on a high-to-low transition at the clock (CLK) input. Applications include time-delay circuits, counter controls, and frequency-dividing circuits.
产品特性
- Wide Operating Voltage Range of 2 V to 6 V
- Outputs Can Drive Up To 10 LSTTL Loads
- Low Power Consumption, 80-µA Max ICC
- Typical tpd = 12 ns
- ±4-mA Output Drive at 5 V
- Low Input Current of 1 µA Max
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