ICM7217BIJI中文资料美信数据手册PDF规格书

General Description

The Maxim ICM7217, 7217 family of 4 digit presettable up/down counters contain a 4 digit, 7 segment LED display drvier and a presettalble comparison ( predetermining) register. The counter and comparison register can be preset using either thumbwheel switches, jumpers, or external digital logic.

特性 Features

♦ Pin for Pin Second Source!

♦ 4 Digit Up/Down Counter

♦ Directly Drives LED Display

♦ Presettable Counter and Compare Register

♦ Interfaces with Thumbwheel Switches or Digital Logic

♦ Can Be Cascaded

♦ Multiplexed BCD I/O

♦ Up/Down, Store and Reset Inputs

♦ Monolithic, Low Power CMOS Design