SN74LS378 - 具有时钟使能输入的六路 D 类触发器

SN74LS378是TI德州仪器公司的一款D类触发器产品，SN74LS378是具有时钟使能输入的六路 D 类触发器，本站介绍了SN74LS378的封装应用图解、特点和优点、功能等，并给出了与SN74LS378相关的TI元器件型号供参考。

SN74LS378 - 具有时钟使能输入的六路 D 类触发器 - D类触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

These monolithic, positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic with an enable input. The 'LS377, 'LS378, and 'LS379 devices are similar to 'LS273, 'LS174, and 'LS175, respectively, but feature a common enable instead of a common clear.

Information at the D inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse if the enable input G\ 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 the clock input is at either the high or low level, the D input signal has no effect at the output. The circuits are designed to prevent false clocking by transitions at the G\ input.

These flip-flops are guaranteed to respond to clock frequencies ranging from 0 to 30 MHz while maximum clock frequency is typically 40 megahertz. Typical power dissipation is 10 milliwatts per flip-flop.

产品特性

'LS377 and 'LS378 Contain Eight and Six Flip-Flops, Respectively, with Single-Rail Outputs
'LS379 Contains Four Flip-Flops with Double-Rail Outputs
Individual Data Input to Each Flip-Flop
Applications Include:
- Buffer/Storage Registers
- Shift Registers
- Pattern Generators

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