CD74AC112数据手册集成电路（IC）的触发器规格书PDF

描述 Description

The ’AC112 devices contain two independent J-K negative-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 is transferred to the outputs on the negative-going edge of the clock pulse (CLK). Clock triggering occurs at a voltage level and is not directly related to the fall time of the clock pulse. Following the hold-time interval, data at the J and K inputs may be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by tying J and K high.

特性 Features

• 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