CD74AC109 - 具有设置和复位功能的双路上升沿 J-K 触发器

CD74AC109是TI德州仪器公司的一款J-K触发器产品，CD74AC109是具有设置和复位功能的双路上升沿 J-K 触发器，本站介绍了CD74AC109的封装应用图解、特点和优点、功能等，并给出了与CD74AC109相关的TI元器件型号供参考。

CD74AC109 - 具有设置和复位功能的双路上升沿 J-K 触发器 - J-K触发器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

The ’AC109 devices contain two independent J-K\ positive-edge-triggered flip-flops. A low level at the preset (PRE)\ or clear (CLR)\ inputs sets or resets the outputs, regardless of the levels of the other inputs. When PRE\ and CLR\ are inactive (high), data at the J and K\ inputs meeting the setup-time requirements are transferred to the outputs on the positive-going edge of the clock (CLK) pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at the J and K\ inputs can be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by grounding K\ and tying J high. They also can perform as D-type flip-flops if J and K\ are tied together.

产品特性

AC Types Feature 1.5-V to 5.5-V Operation and Balanced Noise Immunity at 30% of the Supply Voltage
Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption
Balanced Propagation Delays
±24-mA Output Drive Current
- Fanout to 15 F Devices
SCR-Latchup-Resistant CMOS Process and Circuit Design
Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015

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