Micro­power

   

Volume 2 · Number 1 · February 1982
Page 9 of 37

Diaram 1: Paging Circuit

IC 1      74 LS 272
IC 274 LS 30
IC 374 LS 32
IC 4      74 LS 00
R1150 Ohms
R2150 Ohms
Page 9 of 37