SN74HC74DR.B中文资料德州仪器数据手册PDF规格书

1 Features

• Buffered inputs

• Wide operating voltage range: 2 V to 6 V

• Wide operating temperature range: -40°C to +85°C

• Supports fanout up to 10 LSTTL loads

• Significant power reduction compared to LSTTL

logic ICs

2 Applications

• Convert a momentary switch to a toggle switch

• Divide a clock signal by 2 or 4

3 Description

The SNx4HC74 devices contain two independent

D-type positive-edge-triggered flip-flops with

asynchronous preset and clear pins for each.