ELM381中文资料ELM数据手册PDF规格书

描述 Description

The ELM381 is a digitally configurable, multi stage counter circuit in a single 8 pin package. When

connected to a 60Hz source, four time periods from one hour to one week are possible, as shown in Table 1 below.

特性 Features

• Low power CMOS design - typically 1mA at 5V

• Wide supply range – 3.0 to 5.5 volt operation

• Digitally selectable delays

• Schmitt trigger circuitry on the clock input

• Completely static operation

• Long term accuracy with line frequency clock

• High current drive outputs – up to 25 mA

• Reset input provided with a pullup resistor