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SN74HCT377-具有时钟启用功能的八路 D 类触发器
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SN74HCT377 - 具有时钟启用功能的八路 D 类触发器

SN74HCT377是TI公司(德州仪器)的一款D类触发器产品,SN74HCT377是具有时钟启用功能的八路 D 类触发器,本站介绍了SN74HCT377的产品说明、应用、特性等,并给出了与SN74HCT377相关的TI元器件型号供参考.

SN74HCT377 - SN54HCT377, SN74HCT377 - TI德州仪器(Texas Instruments)

产品描述

These devices are positive-edge-triggered D-type flip-flops. The ’HCT377 devices are similar to the ’'HCT273 devices, but feature a latched clock-enable (CLKEN)\ input instead of a common clear.

Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse if CLKEN\ is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. These devices are designed to prevent false clocking by transitions at CLKEN\.

产品特性

  • Operating Voltage Range of 4.5 V to 5.5 V
  • Outputs Can Drive Up To 10 LSTTL Loads
  • Low Power Consumption, 80-&miccro;A Max ICC
  • Typical tpd = 12 ns
  • ±4-mA Output Drive at 5 V
  • Low Input Current of 1 µA Max
  • Inputs Are TTL-Voltage Compatible
  • Contain Eight Flip-Flops With Single-Rail Outputs
  • Clock Enable Latched to Avoid False Clocking
  • Applications Include:
    • Buffer/Storage Registers
    • Shift Registers
    • Pattern Generators

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