EEMM7733889955 44--BBIITT MMIICCRROO--CCOONNTTRROOLLLLEERR FFOORR TTEELLEECCOOMM PPRROODDUUCCTT GENERAL DESCRIPTION Patent Number : 75201, 62630, 61007 (R.O.C) Patent Pending : 83216083 (R.O.C) EM73895 is an advanced single chip CMOS 4-bit micro-controller. It contains 8K-byte ROM,...