HD74LS90の購入情報と機能

HD74HCT242, HD74HCT243 Quad. Bus Transceivers (with 3-state outputs) Description The HD74HCT242 is an inverting buffer and the HD74HCT243 is a noninverting buffer. Each device has one active high enable (GBA), and one active low enable (GAB). GBA enables the A outputs and GAB enables the B outputs.

HD74UH4066 Analog Switch ADE-205-022A (Z) 2nd. Edition Aug. 1993 Description The HD74UH4066 is high speed CMOS analog switch using silicon gate CMOS process. With CMOS low power dissipation, it provides high speed. The device has low ON resistance for good transfer characteristics and can take wide

HD74HC273 Octal D-type Flip-Flops (with Clear) Description This device contains 8 master-slave flip-flops with a common clock and common clear. Data on the D input having the specified setup and hold times is transferred to the Q output on the low to high transition of the clock input. The clear in

HD74HC74 Dual D-type Flip-Flops (with Preset and Clear) Description The flip-flop has independent data, preset, clear, and clock inputs and Q and Q outputs. The logic level present at thte data input is transferred to the output during the positive going transition to the clock pulse. Preset and cl