HD74HC4040FPEL中文资料瑞萨数据手册PDF规格书

描述 Description

The HD74HC4040 is a 12-stage counter. This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on its reset input.

特性 Features

• High Speed Operation: tpd (Clock to Q1) = 15 ns typ (CL = 50 pF)

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)