LS7211N， LS7211N-S， LS7212N， LS7212N-S

LS7211N， LS7211N-S， LS7212N， LS7212N-S

Programmable Digital Delay Timer (18 Pins)

LS7211N， LS7212N backwards compatible to LS7211， LS7212

Generates delays from 100ns to days

Time base is external clock or oscillator: RC (LS7211N); Crystal (LS7212N)

8 binary-weighted delay bits

3 selectable prescalers

Four operating modes

Reset for delay abort

3V to 18V operation

Programmable frequency division

Real time delays from 50/60 Hz (LS7211N); watch crystal (LS7212N)

→查看数据手册

LS7211N_LS7212N_PDF.pdf